Fundies.
English

Segment disclosures

Company overview

FISERV, INC.

Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.

Revenue · Reported segment facts

199 dimension combinations 772 retained observations 18 reported periods Partial retained history

Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.

Operating Segments · Digital Payments · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:DigitalPaymentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-313869000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-313655000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-313370000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Digital Payments · Financial Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:DigitalPaymentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-313945000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-313869000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-313655000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Enterprise · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:EnterpriseMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-312163000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-311933000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-311811000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Enterprise · Merchant Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:EnterpriseMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-312256000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-312163000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-311933000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Issuing · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:IssuingMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-313112000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-313011000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-312801000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Issuing · Financial Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:IssuingMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-313284000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-313112000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-313011000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Processing And Services · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-318065000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-317970000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-317621000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Processing And Services · Financial Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-318013000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-318065000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-317970000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Processing And Services · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-318557000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-317637000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-316815000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Processing And Services · Merchant Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-318866000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-318557000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-317637000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Processing · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProcessingMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-311111000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-311125000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-311152000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Processing · Merchant Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProcessingMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-311089000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-311111000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-311125000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Small Business · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:SmallBusinessMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-316357000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-315664000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-314920000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Small Business · Merchant Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:SmallBusinessMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-316795000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-316357000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-315664000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Digital Payments · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:DigitalPaymentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31947000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-30939000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-302985000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-301051000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-302046000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-31995000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-30987000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-302894000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-30987000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-301907000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-31920000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-30940000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-302724000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence

Operating Segments · Enterprise · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:EnterpriseMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31512000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-30580000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-301669000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-30587000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-301089000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-31502000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-30558000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-301563000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-30542000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-301005000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-31463000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-30478000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-301410000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-04-01 – 2023-06-30495000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-30932000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

Operating Segments · Hardware Print And Card Production · Fintech Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:HardwarePrintAndCardProductionMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3019000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-3042000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-309000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-3028000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-04-01 – 2022-06-3010000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-3019000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Hardware Print And Card Production · Payments Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:HardwarePrintAndCardProductionMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30237000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30473000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Issuing · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:IssuingMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31769000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-30802000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-302492000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-30876000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-301690000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-31814000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-30789000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-302316000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-30766000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-301527000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-31761000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-30756000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-302217000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence

Operating Segments · Output Solutions Postage · Fintech Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Operating Segments · Processing And Services · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-311962000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-301999000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-306010000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-302019000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-304011000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-311992000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-302036000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-306024000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-302003000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-303988000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-311985000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-302032000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-305949000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-03-311940000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Operating Segments · Processing And Services · Fintech Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-30741000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-302234000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-30737000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-302232000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Operating Segments · Processing And Services · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-312108000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-302274000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-306612000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-302285000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-304338000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-312053000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-302198000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-306340000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-302132000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-304142000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-312010000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-301971000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-305638000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-04-01 – 2023-06-301940000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-303667000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

Operating Segments · Processing · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:ProcessingMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31252000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-30265000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-30824000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-30283000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-30559000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-31276000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-30284000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-30850000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-30264000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-30566000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-31302000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-30289000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-30850000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence

Operating Segments · Small Business · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:SmallBusinessMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-311609000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-301741000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-305109000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-301774000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-303368000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-311594000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-301627000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-304719000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-301604000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-303092000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-311488000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-301492000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-304201000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-04-01 – 2023-06-301424000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-302709000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

Operating Segments · Banking · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:BankingMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-312496000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-312435000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-312510000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Banking · Financial Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:BankingMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-312435000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-312496000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-312435000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Banking · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:BankingMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31586000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-30592000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-301825000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-30625000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-301233000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-31608000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-30636000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-301866000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-30626000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-301230000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-31604000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-30606000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-301829000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-03-31619000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Operating Segments · Product · Financial Institution Services Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialInstitutionServicesSegmentMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31189000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-31184000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Product · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-311412000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-311131000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-311060000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Product · Financial Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-311651000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-311412000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-311131000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Product · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-311074000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-311085000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-311068000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Product · Merchant Solutions Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-311274000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-311074000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-311085000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Product · Financial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31340000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-30334000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-301292000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-30533000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-30958000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-31425000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-30376000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-301052000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-30376000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-30676000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-31300000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-30270000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-30821000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence

Operating Segments · Product · Fintech Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3054000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30137000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-3029000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30115000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Operating Segments · Product · Merchant Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31265000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-30312000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-30990000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-30359000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-06-30678000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2025-01-01 – 2025-03-31319000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-30271000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-30792000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-30278000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-30521000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-31243000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-30288000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-30823000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence

Operating Segments · Acceptance Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:AcceptanceSegmentMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-318132000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-317292000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Hardware Print And Card Production

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fi:HardwarePrintAndCardProductionMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31978000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-31918000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Acceptance Segment · License And Termination Fees

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fi:LicenseAndTerminationFeesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-3140000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-3169000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Processing

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fi:ProcessingMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-316942000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-316226000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Professional Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fi:ProfessionalServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-3125000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-3121000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Software Maintenance

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fi:SoftwareMaintenanceMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-310 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Product And Service Other

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:AcceptanceSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31147000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-3158000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Financial Institution Services Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialInstitutionServicesSegmentMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-313171000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-313170000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Financial Institution Services Segment · Processing And Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialInstitutionServicesSegmentMember;srt:ProductOrServiceAxis=fi:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-312982000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-312986000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Financial Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-319477000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-319101000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-318681000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Financial Solutions Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FinancialSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-319664000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-319477000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-319101000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Fintech Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-313171000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-313170000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Fintech Segment · Hardware Print And Card Production

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FintechSegmentMember;srt:ProductOrServiceAxis=fi:HardwarePrintAndCardProductionMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-3160000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-3142000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Fintech Segment · License And Termination Fees

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FintechSegmentMember;srt:ProductOrServiceAxis=fi:LicenseAndTerminationFeesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31198000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-31252000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Fintech Segment · Processing

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FintechSegmentMember;srt:ProductOrServiceAxis=fi:ProcessingMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-311671000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-311608000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Fintech Segment · Professional Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FintechSegmentMember;srt:ProductOrServiceAxis=fi:ProfessionalServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31469000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-31484000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Fintech Segment · Software Maintenance

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FintechSegmentMember;srt:ProductOrServiceAxis=fi:SoftwareMaintenanceMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31531000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-31553000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Fintech Segment · Product And Service Other

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FintechSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31242000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-31231000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Operating Segments · Merchant Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-12-319631000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2023-01-01 – 2023-12-318722000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence
2022-01-01 – 2022-12-317883000000 USD2025-02-20 · 12:34:30.000ZOpen filing evidence

Operating Segments · Merchant Solutions Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:MerchantSolutionsSegmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-3110140000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2024-01-01 – 2024-12-319631000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence
2023-01-01 – 2023-12-318722000000 USD2026-02-19 · 21:18:00.000ZOpen filing evidence

Operating Segments · Acceptance Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-301901000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-303554000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Hardware Print And Card Production

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:HardwarePrintAndCardProductionMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30215000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30440000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Acceptance Segment · License And Termination Fees

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:LicenseAndTerminationFeesMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3014000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-3028000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Output Solutions Postage

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-300 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-300 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Processing And Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-301668000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-303078000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Processing

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-301660000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-303063000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Professional Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-305000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-3010000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Software Maintenance

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:SoftwareMaintenanceMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-300 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-300 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Product And Service Other

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-307000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-3013000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Acceptance Segment · Product

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30233000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30476000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Financial Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-302355000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-304657000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-03-312302000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-302333000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-307302000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-302552000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-304969000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-03-312417000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-302412000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-307076000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-302379000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-304664000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-312285000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-302302000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-306770000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-03-312223000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Operating Segments · Financial Segment · Digital Payments

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ProductOrServiceAxis=fisv:DigitalPaymentsMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-31920000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence
2023-01-01 – 2023-03-31873000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Operating Segments · Financial Segment · Issuing

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ProductOrServiceAxis=fisv:IssuingMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-31761000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence
2023-01-01 – 2023-03-31731000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Operating Segments · Fintech Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-30795000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-302371000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-30766000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-302347000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-04-01 – 2022-06-30803000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-301581000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Fintech Segment · License And Termination Fees

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:LicenseAndTerminationFeesMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3068000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30116000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Fintech Segment · Output Solutions Postage

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-300 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-300 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Fintech Segment · Processing And Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30760000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-301495000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Fintech Segment · Processing

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30398000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30803000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Fintech Segment · Professional Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30131000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30247000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Fintech Segment · Software Maintenance

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:SoftwareMaintenanceMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30139000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30277000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Fintech Segment · Product And Service Other

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3057000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30119000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Fintech Segment · Product

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3043000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-3086000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Merchant Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-302608000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-304981000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-03-312373000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2025-07-01 – 2025-09-302586000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-01-01 – 2025-09-307602000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2025-04-01 – 2025-06-302644000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-305016000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-03-312372000000 USD2026-05-06 · 11:34:04.000ZOpen filing evidence
2024-07-01 – 2024-09-302469000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-01-01 – 2024-09-307132000000 USD2025-10-30 · 11:07:31.000ZOpen filing evidence
2024-04-01 – 2024-06-302410000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-06-304663000000 USD2025-07-24 · 11:14:38.000ZOpen filing evidence
2024-01-01 – 2024-03-312253000000 USD2025-04-25 · 10:26:08.000ZOpen filing evidence
2023-07-01 – 2023-09-302259000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-01-01 – 2023-09-306461000000 USD2024-10-23 · 11:05:30.000ZOpen filing evidence
2023-04-01 – 2023-06-302206000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-304202000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-03-311996000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Operating Segments · Merchant Segment · Processing And Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-312010000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence
2023-01-01 – 2023-03-311727000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Operating Segments · Merchant Segment · Processing

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-31302000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence
2023-01-01 – 2023-03-31274000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Operating Segments · Merchant Segment · Small Business

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ProductOrServiceAxis=fisv:SmallBusinessMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-311488000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence
2023-01-01 – 2023-03-311285000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Operating Segments · Payments Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-301518000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-302980000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Payments Segment · License And Termination Fees

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:LicenseAndTerminationFeesMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3034000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-3060000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Payments Segment · Output Solutions Postage

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-300 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-300 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Payments Segment · Processing And Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-301262000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-302477000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Payments Segment · Processing

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-301155000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-302268000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Payments Segment · Professional Services

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3067000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30129000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Payments Segment · Software Maintenance

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:SoftwareMaintenanceMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-305000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-3011000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Payments Segment · Product And Service Other

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3020000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-3039000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Operating Segments · Payments Segment · Product

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30256000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence
2022-01-01 – 2022-06-30503000000 USD2022-07-27 · 12:00:03.000ZOpen filing evidence

Output Solutions Postage · Operating Segments · Acceptance Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fi:OutputSolutionsPostageMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:AcceptanceSegmentMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-310 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Output Solutions Postage · Operating Segments · Fintech Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fi:OutputSolutionsPostageMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fi:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-310 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Output Solutions Postage · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fi:OutputSolutionsPostageMember;us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-310 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Digital Payments · Financial Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:DigitalPaymentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30993000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-301940000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-301051000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-302046000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2024-04-01 – 2024-06-30987000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2024-01-01 – 2024-06-301907000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-04-01 – 2023-06-30911000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-301784000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

Enterprise · Operating Segments · Merchant Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fisv:EnterpriseMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-31463000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence
2023-01-01 – 2023-03-31437000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Enterprise · Merchant Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:EnterpriseMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30584000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-301096000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-30587000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-301089000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence

Hardware Print And Card Production · Acceptance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:HardwarePrintAndCardProductionMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-30241000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-30487000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-31918000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-04-01 – 2022-06-30215000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-06-30440000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence

Hardware Print And Card Production · Fintech Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:HardwarePrintAndCardProductionMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3011000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-3023000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-3142000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-04-01 – 2022-06-3010000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-06-3019000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence

Hardware Print And Card Production · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:HardwarePrintAndCardProductionMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-30269000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-30556000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-311036000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-04-01 – 2022-06-30237000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-06-30473000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence

Issuing · Financial Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:IssuingMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30784000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-301553000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-30876000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-301690000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2024-04-01 – 2024-06-30766000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2024-01-01 – 2024-06-301527000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-04-01 – 2023-06-30730000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-301461000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

License And Termination Fees · Operating Segments · Fintech Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fisv:LicenseAndTerminationFeesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3046000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30145000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-3036000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30152000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

License And Termination Fees · Acceptance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:LicenseAndTerminationFeesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3011000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-3021000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-3169000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-07-01 – 2022-09-3015000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-3043000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

License And Termination Fees · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:LicenseAndTerminationFeesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3072000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30145000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-04-01 – 2023-06-3044000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-3073000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-07-01 – 2022-09-3019000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-3079000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Output Solutions Postage · Acceptance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-300 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-300 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Output Solutions Postage · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-300 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-300 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Processing And Services · Operating Segments · Fintech Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-30737000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-302232000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

Processing And Services · Acceptance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-301808000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-303395000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-07-01 – 2022-09-301603000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-304681000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

Processing And Services · Financial Institution Services Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialInstitutionServicesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-312986000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Processing And Services · Financial Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-301996000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-303958000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-302019000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-304011000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence

Processing And Services · Fintech Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-30742000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-301493000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence

Processing And Services · First Data Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FirstDataSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-316288000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Processing And Services · Merchant Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-302296000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-304404000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-302285000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-304338000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence

Processing And Services · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-301367000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-302696000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-315164000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-07-01 – 2022-09-301333000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-303810000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

Processing · Operating Segments · Fintech Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-30421000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-301251000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-30407000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-301210000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Processing · Operating Segments · Merchant Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2024-04-01 – 2024-06-30264000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2024-01-01 – 2024-06-30566000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-04-01 – 2023-06-30287000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-30561000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

Processing · Acceptance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-301772000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-303326000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-316226000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-07-01 – 2022-09-301586000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-304649000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

Processing · Merchant Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30264000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-30516000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-30283000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-30559000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence

Processing · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProcessingMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-301213000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-302400000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-314709000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-07-01 – 2022-09-301218000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-303486000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

Professional Services · Operating Segments · Fintech Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-30119000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30348000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-30119000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30366000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Professional Services · Acceptance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-3121000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Professional Services · Fintech Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-31484000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Professional Services · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3076000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30224000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-12-31278000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-07-01 – 2022-09-3074000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30203000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Small Business · Merchant Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:SmallBusinessMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-301760000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-303369000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-301774000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-303368000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence

Software Maintenance · Operating Segments · Fintech Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fisv:SoftwareMaintenanceMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-30128000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30403000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-30138000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30415000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Software Maintenance · Acceptance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:SoftwareMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-300 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-300 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-310 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Software Maintenance · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=fisv:SoftwareMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3013000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-3019000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-316000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-3124000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Banking · Financial Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:BankingMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30578000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-301164000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-30625000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-301233000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence

Product And Service Other · Operating Segments · Fintech Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3062000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30182000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-3057000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30176000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Product And Service Other · Acceptance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3035000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-3068000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-3158000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Product And Service Other · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3038000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-3078000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-31101000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Product · Operating Segments · Financial Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-31300000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence
2023-01-01 – 2023-03-31283000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Product · Operating Segments · Fintech Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-3029000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-30115000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

Product · Operating Segments · Merchant Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember
PeriodValueUnitFiledEvidence
2024-04-01 – 2024-06-30278000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2024-01-01 – 2024-06-30521000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2024-01-01 – 2024-03-31243000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence
2023-04-01 – 2023-06-30266000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-30535000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-03-31269000000 USD2024-04-24 · 11:19:20.000ZOpen filing evidence

Product · Acceptance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-30257000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-30517000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-07-01 – 2022-09-30275000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-30751000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

Product · Financial Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30359000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-30699000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-30533000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-30958000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2024-04-01 – 2024-06-30376000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2024-01-01 – 2024-06-30676000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-04-01 – 2023-06-30268000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-30551000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

Product · Merchant Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30312000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2026-01-01 – 2026-06-30577000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-04-01 – 2025-06-30359000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence
2025-01-01 – 2025-06-30678000000 USD2026-08-07 · 11:17:46.000ZOpen filing evidence

Product · Payments Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-30278000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-30578000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-07-01 – 2022-09-30284000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-30787000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

First Data Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:FirstDataSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-318132000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-317292000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

First Data Segment · Operating Segments · Processing And Services

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:FirstDataSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-317087000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-316288000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

First Data Segment · Operating Segments · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:FirstDataSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-311045000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-311004000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Payments Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-316696000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-316262000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Payments Segment · Operating Segments · Hardware Print And Card Production

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:HardwarePrintAndCardProductionMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-311091000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-311036000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Payments Segment · Operating Segments · License And Termination Fees

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:LicenseAndTerminationFeesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31189000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-31114000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Payments Segment · Operating Segments · Processing And Services

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-315538000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-315164000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Payments Segment · Operating Segments · Processing

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProcessingMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-314902000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-314709000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Payments Segment · Operating Segments · Professional Services

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:ProfessionalServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31318000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-31278000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Payments Segment · Operating Segments · Software Maintenance

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fi:SoftwareMaintenanceMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-3140000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-3124000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Payments Segment · Operating Segments · Product And Service Other

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31156000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-31101000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Payments Segment · Operating Segments · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fi:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-311158000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence
2022-01-01 – 2022-12-311098000000 USD2024-02-22 · 11:52:35.000ZOpen filing evidence

Acceptance Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-302106000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-306018000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-04-01 – 2023-06-302065000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-303912000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-311847000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-317292000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-07-01 – 2022-09-301878000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-305432000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Acceptance Segment · Operating Segments · Hardware Print And Card Production

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:HardwarePrintAndCardProductionMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-30257000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30744000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-31246000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-30254000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30694000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Acceptance Segment · Operating Segments · Output Solutions Postage

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-310 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Acceptance Segment · Operating Segments · Processing And Services

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-301832000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-305227000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-311587000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-301603000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-304681000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Acceptance Segment · Operating Segments · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-30274000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30791000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-31260000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-30275000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30751000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Acceptance Segment · License And Termination Fees · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:LicenseAndTerminationFeesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3010000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-3031000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-3110000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-3015000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-3043000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Acceptance Segment · Processing · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-301796000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-305122000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-311554000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-301586000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-304649000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Acceptance Segment · Professional Services · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-306000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-3016000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-04-01 – 2023-06-306000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-3010000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-314000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-305000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-3015000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Acceptance Segment · Software Maintenance · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=fisv:SoftwareMaintenanceMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Acceptance Segment · Product And Service Other · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:AcceptanceSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3037000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30105000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-3133000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-3018000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-3031000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Financial Institution Services Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialInstitutionServicesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-313170000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Financial Institution Services Segment · Operating Segments · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialInstitutionServicesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-31184000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Financial Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-302331000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-306988000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-302333000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-307302000000 USD20261104Open filing evidence
2024-04-01 – 2024-06-302379000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2024-01-01 – 2024-06-304664000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-04-01 – 2023-06-302245000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-304468000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

Financial Segment · Operating Segments · Processing And Services

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2024-04-01 – 2024-06-302003000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2024-01-01 – 2024-06-303988000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-04-01 – 2023-06-301977000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-303917000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

Financial Segment · Digital Payments · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ProductOrServiceAxis=fisv:DigitalPaymentsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30914000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-302854000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-30939000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-302985000000 USD20261104Open filing evidence

Financial Segment · Issuing · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ProductOrServiceAxis=fisv:IssuingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30840000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-302393000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-30802000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-302492000000 USD20261104Open filing evidence

Financial Segment · Processing And Services · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-301994000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-305952000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-301999000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-306010000000 USD20261104Open filing evidence

Financial Segment · Banking · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ProductOrServiceAxis=us-gaap:BankingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30577000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-301741000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-30592000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-301825000000 USD20261104Open filing evidence
2024-04-01 – 2024-06-30626000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2024-01-01 – 2024-06-301230000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-04-01 – 2023-06-30604000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence
2023-01-01 – 2023-06-301223000000 USD2024-07-25 · 11:06:36.000ZOpen filing evidence

Financial Segment · Product · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FinancialSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30337000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-301036000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-30334000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-301292000000 USD20261104Open filing evidence

Fintech Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-30784000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-301576000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-31792000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-313170000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Fintech Segment · Operating Segments · Hardware Print And Card Production

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:HardwarePrintAndCardProductionMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-3112000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence

Fintech Segment · Operating Segments · Output Solutions Postage

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-310 USD2023-04-26 · 12:04:06.000ZOpen filing evidence

Fintech Segment · Operating Segments · Processing And Services

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-31751000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence

Fintech Segment · Operating Segments · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-3141000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence

Fintech Segment · License And Termination Fees · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:LicenseAndTerminationFeesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3046000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-3099000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-3153000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-31252000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Fintech Segment · Output Solutions Postage · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-300 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-300 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Fintech Segment · Processing · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-30414000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-30830000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-31416000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-311608000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Fintech Segment · Professional Services · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-30117000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-30229000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-31112000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence

Fintech Segment · Software Maintenance · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=fisv:SoftwareMaintenanceMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-30138000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-30275000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-31137000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-31553000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Fintech Segment · Product And Service Other · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3058000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-30120000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-3162000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-31231000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Fintech Segment · Product · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FintechSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3042000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-3083000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence

First Data Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FirstDataSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-317292000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

First Data Segment · Operating Segments · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:FirstDataSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-311004000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Merchant Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-302521000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-307502000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-302586000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-307602000000 USD20261104Open filing evidence

Merchant Segment · Enterprise · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ProductOrServiceAxis=fisv:EnterpriseMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30561000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-301657000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-30580000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-301669000000 USD20261104Open filing evidence

Merchant Segment · Processing And Services · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-302237000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-306641000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-302274000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-306612000000 USD20261104Open filing evidence

Merchant Segment · Processing · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30247000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-30763000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-30265000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-30824000000 USD20261104Open filing evidence

Merchant Segment · Small Business · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ProductOrServiceAxis=fisv:SmallBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-301713000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-305082000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-301741000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-305109000000 USD20261104Open filing evidence

Merchant Segment · Product · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:MerchantSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30284000000 USD20261104Open filing evidence
2026-01-01 – 2026-09-30861000000 USD20261104Open filing evidence
2025-07-01 – 2025-09-30312000000 USD20261104Open filing evidence
2025-01-01 – 2025-09-30990000000 USD20261104Open filing evidence

Payments Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-301704000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-304978000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-04-01 – 2023-06-301645000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-303274000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-311629000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-316262000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-07-01 – 2022-09-301617000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-304597000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Payments Segment · Operating Segments · Hardware Print And Card Production

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:HardwarePrintAndCardProductionMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-30258000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30814000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-31287000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-30271000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30744000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Payments Segment · Operating Segments · Output Solutions Postage

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:OutputSolutionsPostageMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-310 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-300 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Payments Segment · Operating Segments · Processing And Services

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=fisv:ProcessingAndServicesMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-301430000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-304126000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-311329000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-301333000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-303810000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Payments Segment · Operating Segments · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-30274000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30852000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-31300000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-311098000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence
2022-07-01 – 2022-09-30284000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-30787000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Payments Segment · License And Termination Fees · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:LicenseAndTerminationFeesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-3129000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-01-01 – 2022-12-31114000000 USD2023-02-23 · 12:33:14.000ZOpen filing evidence

Payments Segment · Processing · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:ProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-301237000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-303637000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-311187000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-301218000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-303486000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Payments Segment · Professional Services · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:ProfessionalServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3068000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-06-30148000000 USD2023-07-27 · 11:53:47.000ZOpen filing evidence
2023-01-01 – 2023-03-3180000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-3074000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence
2022-01-01 – 2022-09-30203000000 USD2022-10-28 · 11:33:04.000ZOpen filing evidence

Payments Segment · Software Maintenance · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=fisv:SoftwareMaintenanceMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-309000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-3028000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-07-01 – 2022-09-307000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-3018000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence

Payments Segment · Product And Service Other · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fisv:PaymentsSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductAndServiceOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3052000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-09-30130000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2023-01-01 – 2023-03-3140000000 USD2023-04-26 · 12:04:06.000ZOpen filing evidence
2022-07-01 – 2022-09-3028000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence
2022-01-01 – 2022-09-3067000000 USD2023-10-25 · 11:39:20.000ZOpen filing evidence