Segment disclosures

Company overview

Humana Inc.

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

Revenue · Reported segment facts

106 dimension combinations 741 retained observations 37 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.

Corporate And Eliminations · Product · Center Well Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember
PeriodValueUnitFiledEvidence
2024-07-01 – 2024-09-302701000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2024-01-01 – 2024-09-307963000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2024-04-01 – 2024-06-302645000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2024-01-01 – 2024-06-305262000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-07-01 – 2023-09-302594000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-307848000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-04-01 – 2023-06-302639000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-305254000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2022-01-01 – 2022-12-319841000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2022-04-01 – 2022-06-302489000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-304935000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2021-01-01 – 2021-12-319024000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2020-01-01 – 2020-12-317928000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Corporate And Eliminations · Product · Insurance Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2024-07-01 – 2024-09-300 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2024-01-01 – 2024-09-300 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-07-01 – 2023-09-300 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-300 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2021-01-01 – 2021-12-310 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2020-01-01 – 2020-12-310 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Corporate And Eliminations · Service · Center Well Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember
PeriodValueUnitFiledEvidence
2024-07-01 – 2024-09-301463000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2024-01-01 – 2024-09-304293000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2024-04-01 – 2024-06-301416000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2024-01-01 – 2024-06-302830000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-07-01 – 2023-09-301307000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-303584000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-04-01 – 2023-06-301144000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-302277000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2022-01-01 – 2022-12-313532000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2021-01-01 – 2021-12-312828000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2020-01-01 – 2020-12-312547000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Corporate And Eliminations · Service · Healthcare Services Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesSegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-305466000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3015970000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-305087000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3014838000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Corporate And Eliminations · Service · Insurance Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2024-07-01 – 2024-09-301000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2024-01-01 – 2024-09-303000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2024-04-01 – 2024-06-301000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2024-01-01 – 2024-06-302000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-07-01 – 2023-09-301000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-3030000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-04-01 – 2023-06-3015000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-3029000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2022-01-01 – 2022-12-3156000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2021-01-01 – 2021-12-3141000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2020-01-01 – 2020-12-3129000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Corporate And Eliminations · Center Well Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-314672000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2025-01-01 – 2025-12-3117657000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2025-07-01 – 2025-09-304546000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-01-01 – 2025-09-3012902000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-04-01 – 2025-06-304343000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2025-01-01 – 2025-06-308356000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2025-01-01 – 2025-03-314013000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2024-01-01 – 2024-12-3116471000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2024-07-01 – 2024-09-304164000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-01-01 – 2024-09-3012256000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-04-01 – 2024-06-304061000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-06-308092000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-03-314031000000 USD2025-04-30 · 17:29:51.000ZOpen filing evidence
2023-01-01 – 2023-12-3115372000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2023-07-01 – 2023-09-303901000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-3011432000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-04-01 – 2023-06-303783000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-307531000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2022-01-01 – 2022-12-3113373000000 USD2025-02-21 · 00:34:08.000ZOpen filing evidence
2022-04-01 – 2022-06-303383000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-306686000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2021-01-01 – 2021-12-3111852000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2020-01-01 – 2020-12-3110475000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Corporate And Eliminations · Center Well Segment · Product

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-3110451000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2022-01-01 – 2022-12-319841000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2021-01-01 – 2021-12-319024000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence

Corporate And Eliminations · Healthcare Services Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesSegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-307925000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3023364000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-307390000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3021554000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Corporate And Eliminations · Healthcare Services Segment · Product

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-302459000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-307394000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-302303000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-306716000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Corporate And Eliminations · Insurance Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-311000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2025-01-01 – 2025-12-314000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2025-07-01 – 2025-09-301000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-01-01 – 2025-09-303000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-04-01 – 2025-06-301000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2025-01-01 – 2025-06-302000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2025-01-01 – 2025-03-311000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2024-01-01 – 2024-12-314000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2024-07-01 – 2024-09-301000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-01-01 – 2024-09-303000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-04-01 – 2024-06-301000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-06-302000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-03-311000000 USD2025-04-30 · 17:29:51.000ZOpen filing evidence
2023-01-01 – 2023-12-3131000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2023-07-01 – 2023-09-301000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-3030000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-04-01 – 2023-06-3015000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-3029000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-03-3114000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2022-01-01 – 2022-12-3156000000 USD2025-02-21 · 00:34:08.000ZOpen filing evidence
2021-01-01 – 2021-12-3141000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2020-01-01 – 2020-12-3129000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Corporate And Eliminations · Insurance Segment · Product

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2024-04-01 – 2024-06-300 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2024-01-01 – 2024-06-300 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-04-01 – 2023-06-300 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-300 USD2024-07-31 · 22:08:48.000ZOpen filing evidence

Corporate And Eliminations · Retail Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:RetailSegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-301000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-301000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Corporate And Eliminations · Retail Segment · Product

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:RetailSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Corporate And Eliminations · Retail Segment · Service

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:RetailSegmentMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-301000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-301000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Intersegment Elimination · Services · Group And Specialty

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=hum:ServicesMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-3118000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-01-01 – 2017-12-3120000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence

Intersegment Elimination · Services · Healthcare Services

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=hum:ServicesMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-3116840000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-01-01 – 2017-12-3117293000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence

Intersegment Elimination · Services · Individual Commercial

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=hum:ServicesMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence

Intersegment Elimination · Services · Retail

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=hum:ServicesMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:RetailMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence

Intersegment Elimination · Product · Group And Specialty

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-01-01 – 2018-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2018-07-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-04-01 – 2017-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2017-01-01 – 2017-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence

Intersegment Elimination · Product · Healthcare Services

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-311636000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-01-01 – 2018-12-316330000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2018-07-01 – 2018-09-301576000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-304722000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-301611000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-303146000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-311535000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-316292000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-07-01 – 2017-09-301572000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-304706000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Product · Individual Commercial

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence

Intersegment Elimination · Product · Individual Commercial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialSegmentMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Product · Retail

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:RetailMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-01-01 – 2018-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2018-07-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Service · Group And Specialty

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-314000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-07-01 – 2018-09-304000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-3013000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-304000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-309000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-315000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-07-01 – 2017-09-305000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-3015000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Service · Healthcare Services

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-314306000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-07-01 – 2018-09-304214000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-3012426000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-304194000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-308212000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-314018000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-07-01 – 2017-09-304339000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-3012958000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Service · Individual Commercial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialSegmentMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Service · Retail

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:RetailMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-07-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Center Well Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-305209000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2026-01-01 – 2026-06-309881000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-04-01 – 2025-06-304343000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-01-01 – 2025-06-308356000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence

Intersegment Elimination · Group And Specialty

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-314000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-01-01 – 2018-12-3118000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2018-07-01 – 2018-09-304000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-3013000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-304000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-309000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-315000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-3120000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-07-01 – 2017-09-305000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-3015000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Healthcare Services

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-315942000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-01-01 – 2018-12-3123170000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2018-07-01 – 2018-09-305790000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-3017148000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-305805000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-3011358000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-315553000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-3123585000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-07-01 – 2017-09-305911000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-3017664000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Individual Commercial

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence

Intersegment Elimination · Individual Commercial Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialSegmentMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Intersegment Elimination · Insurance Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-302000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2026-01-01 – 2026-06-303000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-04-01 – 2025-06-301000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-01-01 – 2025-06-302000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence

Intersegment Elimination · Retail

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:RetailMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-01-01 – 2018-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2018-07-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-300 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-310 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-300 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Operating Segments · External Customers · Group And Specialty

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=hum:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-311878000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-01-01 – 2018-12-317638000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2018-07-01 – 2018-09-301885000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-305739000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-301896000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-303854000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-311958000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-317398000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-07-01 – 2017-09-301841000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-305518000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Operating Segments · External Customers · Healthcare Services

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=hum:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-31156000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-01-01 – 2018-12-31607000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2018-07-01 – 2018-09-30165000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-30438000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-30169000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-30273000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-31104000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-31338000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-07-01 – 2017-09-3080000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-30251000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Operating Segments · External Customers · Individual Commercial

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=hum:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-318000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-01-01 – 2017-12-31947000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence

Operating Segments · External Customers · Individual Commercial Segment

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=hum:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialSegmentMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-301000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-306000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-3010000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-305000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-31-5000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-07-01 – 2017-09-30224000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-30754000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Operating Segments · External Customers · Retail

Consolidation Items · Major Customers · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:MajorCustomersAxis=hum:ExternalCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:RetailMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-03-3113972000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2018-01-01 – 2018-12-3148119000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2018-07-01 – 2018-09-3012038000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-01-01 – 2018-09-3036117000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2018-04-01 – 2018-06-3012009000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-06-3024079000000 USD2018-08-01 · 21:51:56.000ZOpen filing evidence
2018-01-01 – 2018-03-3112070000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-3144636000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-07-01 – 2017-09-3011023000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-3033706000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Operating Segments · External Revenues · Center Well Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=hum:ExternalRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-311428000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2025-01-01 – 2025-12-314816000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2025-07-01 – 2025-09-301333000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-01-01 – 2025-09-303609000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-04-01 – 2025-06-301194000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2025-01-01 – 2025-06-302276000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2025-01-01 – 2025-03-311082000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2024-01-01 – 2024-12-313465000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2024-07-01 – 2024-09-30877000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-01-01 – 2024-09-302550000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-04-01 – 2024-06-30886000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-06-301673000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-03-31787000000 USD2025-04-30 · 17:29:51.000ZOpen filing evidence
2023-01-01 – 2023-12-313033000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2023-07-01 – 2023-09-30759000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-302263000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2022-01-01 – 2022-12-313926000000 USD2025-02-21 · 00:34:08.000ZOpen filing evidence
2022-07-01 – 2022-09-30949000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-303152000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence

Operating Segments · External Revenues · Insurance Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=hum:ExternalRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-3137956000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2025-01-01 – 2025-12-31123842000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2025-07-01 – 2025-09-3030978000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-01-01 – 2025-09-3092666000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-04-01 – 2025-06-3030922000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2025-01-01 – 2025-06-3061688000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2025-01-01 – 2025-03-3130766000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2024-01-01 – 2024-12-31113070000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2024-07-01 – 2024-09-3028177000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-01-01 – 2024-09-3085069000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-04-01 – 2024-06-3028356000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-06-3056892000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-03-3128536000000 USD2025-04-30 · 17:29:51.000ZOpen filing evidence
2023-01-01 – 2023-12-31102272000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2023-07-01 – 2023-09-3025356000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-3076874000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2022-01-01 – 2022-12-3188562000000 USD2025-02-21 · 00:34:08.000ZOpen filing evidence

Operating Segments · Center Well Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-306790000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2026-01-01 – 2026-06-3012890000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2026-01-01 – 2026-03-316100000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2025-01-01 – 2025-12-3122473000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2025-07-01 – 2025-09-305879000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-01-01 – 2025-09-3016511000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-04-01 – 2025-06-305537000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-01-01 – 2025-06-3010632000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-01-01 – 2025-03-315095000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2024-01-01 – 2024-12-3119936000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2024-07-01 – 2024-09-305041000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-01-01 – 2024-09-3014806000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-04-01 – 2024-06-304947000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-06-309765000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-03-314818000000 USD2025-04-30 · 17:29:51.000ZOpen filing evidence
2023-01-01 – 2023-12-3118405000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2023-07-01 – 2023-09-304660000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-3013695000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-04-01 – 2023-06-304530000000 RestatedUSD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-309035000000 RestatedUSD2024-07-31 · 22:08:48.000ZOpen filing evidence
2022-01-01 – 2022-12-3117307000000 RestatedUSD2025-02-21 · 00:34:08.000ZOpen filing evidence
2022-07-01 – 2022-09-304274000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-3013166000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-04-01 – 2022-06-301143000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-302203000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2021-01-01 – 2021-12-312202000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2020-01-01 – 2020-12-311002000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Operating Segments · Group And Specialty

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-311865000000 USD2020-04-29 · 23:17:06.000ZOpen filing evidence
2019-01-01 – 2019-12-317525000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2019-07-01 – 2019-09-301889000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2019-01-01 – 2019-09-305650000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2019-04-01 – 2019-06-301874000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2019-01-01 – 2019-06-303761000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2019-01-01 – 2019-03-311887000000 USD2020-04-29 · 23:17:06.000ZOpen filing evidence
2018-01-01 – 2018-12-317679000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2018-07-01 – 2018-09-301894000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2018-01-01 – 2018-09-305770000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2018-04-01 – 2018-06-301906000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2018-01-01 – 2018-06-303876000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2018-01-01 – 2018-03-311970000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-317449000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2017-07-01 – 2017-09-301853000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-305558000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Operating Segments · Group And Specialty Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtySegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-301534000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-304696000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-301682000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-305109000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-03-311737000000 USD2021-04-28 · 23:42:15.000ZOpen filing evidence
2020-01-01 – 2020-03-311865000000 USD2021-04-28 · 23:42:15.000ZOpen filing evidence

Operating Segments · Healthcare Services

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-307131000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2020-01-01 – 2020-09-3021157000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2020-01-01 – 2020-03-317085000000 USD2020-04-29 · 23:17:06.000ZOpen filing evidence
2019-01-01 – 2019-12-3125783000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2019-07-01 – 2019-09-306602000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2019-01-01 – 2019-09-3019087000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2019-04-01 – 2019-06-306387000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2019-01-01 – 2019-06-3012485000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2019-01-01 – 2019-03-316098000000 USD2020-04-29 · 23:17:06.000ZOpen filing evidence
2018-01-01 – 2018-12-3123811000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2018-07-01 – 2018-09-305966000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2018-01-01 – 2018-09-3017620000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2018-04-01 – 2018-06-305991000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2018-01-01 – 2018-06-3011654000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2018-01-01 – 2018-03-315663000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-3123958000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2017-07-01 – 2017-09-306000000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-3017940000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Operating Segments · Healthcare Services Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesSegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-30952000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-303160000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-12-3131242000000 USD2022-02-18 · 02:23:04.000ZOpen filing evidence
2021-07-01 – 2021-09-30647000000 RestatedUSD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-301203000000 RestatedUSD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-03-317198000000 USD2021-04-28 · 23:42:15.000ZOpen filing evidence
2020-01-01 – 2020-12-3128448000000 USD2022-02-18 · 02:23:04.000ZOpen filing evidence
2020-07-01 – 2020-09-307131000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2020-01-01 – 2020-09-3021157000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2020-01-01 – 2020-03-317085000000 USD2021-04-28 · 23:42:15.000ZOpen filing evidence
2019-01-01 – 2019-12-3125783000000 USD2022-02-18 · 02:23:04.000ZOpen filing evidence

Operating Segments · Individual Commercial

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-318000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence
2017-01-01 – 2017-12-31951000000 USD2019-02-22 · 02:23:36.000ZOpen filing evidence

Operating Segments · Individual Commercial Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialSegmentMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-318000000 USD2021-02-19 · 02:59:52.000ZOpen filing evidence
2018-07-01 – 2018-09-301000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2018-01-01 – 2018-09-306000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2018-04-01 – 2018-06-3010000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2018-01-01 – 2018-06-305000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2018-01-01 – 2018-03-31-5000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-31951000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2017-07-01 – 2017-09-30225000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-30757000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

Operating Segments · Insurance Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3039140000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2026-01-01 – 2026-06-3077199000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2026-01-01 – 2026-03-3138059000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2025-01-01 – 2025-12-31124563000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2025-07-01 – 2025-09-3031189000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-01-01 – 2025-09-3093220000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2025-04-01 – 2025-06-3031094000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-01-01 – 2025-06-3062031000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-01-01 – 2025-03-3130937000000 USD2026-04-29 · 22:09:48.000ZOpen filing evidence
2024-01-01 – 2024-12-31113764000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2024-07-01 – 2024-09-3028370000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-01-01 – 2024-09-3085594000000 USD2025-11-05 · 22:07:03.000ZOpen filing evidence
2024-04-01 – 2024-06-3028525000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-06-3057224000000 USD2025-07-30 · 23:37:58.000ZOpen filing evidence
2024-01-01 – 2024-03-3128699000000 USD2025-04-30 · 17:29:51.000ZOpen filing evidence
2023-01-01 – 2023-12-31102854000000 USD2026-02-20 · 00:26:32.000ZOpen filing evidence
2023-07-01 – 2023-09-3025511000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-01-01 – 2023-09-3077289000000 USD2024-10-30 · 22:17:34.000ZOpen filing evidence
2023-04-01 – 2023-06-3025875000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-3051778000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-03-3125792000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2022-01-01 – 2022-12-3188841000000 RestatedUSD2025-02-21 · 00:34:08.000ZOpen filing evidence
2022-07-01 – 2022-09-3021743000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-3067242000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-03-3122907000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2021-01-01 – 2021-12-3180675000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2020-01-01 – 2020-12-3174397000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Operating Segments · Insurance Segment · External Revenues

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ProductOrServiceAxis=hum:ExternalRevenuesMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-3025356000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-09-3076874000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-07-01 – 2022-09-3021678000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-3067057000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence

Operating Segments · Retail Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:RetailSegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-3020141000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3062353000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-12-3174044000000 USD2022-02-18 · 02:23:04.000ZOpen filing evidence
2021-07-01 – 2021-09-3018401000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3055477000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-03-3118648000000 USD2021-04-28 · 23:42:15.000ZOpen filing evidence
2020-01-01 – 2020-12-3167298000000 USD2022-02-18 · 02:23:04.000ZOpen filing evidence
2020-01-01 – 2020-03-3116762000000 USD2021-04-28 · 23:42:15.000ZOpen filing evidence
2019-01-01 – 2019-12-3156466000000 USD2022-02-18 · 02:23:04.000ZOpen filing evidence
2018-01-01 – 2018-12-3148255000000 USD2021-02-19 · 02:59:52.000ZOpen filing evidence

Operating Segments · Retail

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:RetailMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3016741000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2020-01-01 – 2020-09-3050464000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2020-04-01 – 2020-06-3016961000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2020-01-01 – 2020-06-3033723000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2020-01-01 – 2020-03-3116762000000 USD2020-04-29 · 23:17:06.000ZOpen filing evidence
2019-01-01 – 2019-12-3156466000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2019-07-01 – 2019-09-3014088000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2019-01-01 – 2019-09-3042259000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2019-04-01 – 2019-06-3014158000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2019-01-01 – 2019-06-3028171000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2019-01-01 – 2019-03-3114013000000 USD2020-04-29 · 23:17:06.000ZOpen filing evidence
2018-01-01 – 2018-12-3148255000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2018-07-01 – 2018-09-3012073000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2018-01-01 – 2018-09-3036219000000 USD2019-11-06 · 19:57:59.000ZOpen filing evidence
2018-04-01 – 2018-06-3012039000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2018-01-01 – 2018-06-3024146000000 USD2019-07-31 · 17:40:46.000ZOpen filing evidence
2018-01-01 – 2018-03-3112107000000 USD2019-05-01 · 22:49:22.000ZOpen filing evidence
2017-01-01 – 2017-12-3144726000000 USD2020-02-21 · 01:38:56.000ZOpen filing evidence
2017-07-01 – 2017-09-3011046000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence
2017-01-01 – 2017-09-3033778000000 USD2018-11-08 · 02:21:12.000ZOpen filing evidence

External Revenues · Operating Segments · Center Well Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=hum:ExternalRevenuesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember
PeriodValueUnitFiledEvidence
2024-04-01 – 2024-06-30886000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2024-01-01 – 2024-06-301673000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-04-01 – 2023-06-30747000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-301504000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence

External Revenues · Operating Segments · Insurance Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=hum:ExternalRevenuesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2024-04-01 – 2024-06-3028356000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2024-01-01 – 2024-06-3056892000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-04-01 – 2023-06-3025726000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence
2023-01-01 – 2023-06-3051518000000 USD2024-07-31 · 22:08:48.000ZOpen filing evidence

External Revenues · Center Well Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=hum:ExternalRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-301581000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2026-01-01 – 2026-06-303009000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-04-01 – 2025-06-301194000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-01-01 – 2025-06-302276000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2024-01-01 – 2024-03-31787000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2023-01-01 – 2023-12-313033000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2023-01-01 – 2023-03-31757000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2022-01-01 – 2022-12-313926000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2021-01-01 – 2021-12-312202000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence

External Revenues · Insurance Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=hum:ExternalRevenuesMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3039033000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2026-01-01 – 2026-06-3076989000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-04-01 – 2025-06-3030922000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2025-01-01 – 2025-06-3061688000000 USD2026-07-29 · 22:11:52.000ZOpen filing evidence
2024-01-01 – 2024-03-3128536000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2023-01-01 – 2023-03-3125792000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence

Product · Corporate And Eliminations · Insurance Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-310 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2023-01-01 – 2023-03-310 USD2024-04-24 · 23:47:25.000ZOpen filing evidence

Product · Center Well Segment · Corporate And Eliminations

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-312617000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2023-07-01 – 2023-09-302594000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-09-307848000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-03-312615000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2022-07-01 – 2022-09-302459000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-307394000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence

Service · Corporate And Eliminations · Center Well Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-314921000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2023-04-01 – 2023-06-301144000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-06-302277000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-12-313532000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2022-04-01 – 2022-06-30894000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-301751000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2021-01-01 – 2021-12-312828000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence

Service · Corporate And Eliminations · Insurance Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-311000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2023-01-01 – 2023-03-3114000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence

Service · Center Well Segment · Corporate And Eliminations

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-311414000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2023-07-01 – 2023-09-301307000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-09-303584000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-03-311133000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2022-07-01 – 2022-09-30863000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-302614000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence

Service · Insurance Segment · Corporate And Eliminations

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-3131000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2023-04-01 – 2023-06-3015000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-06-3029000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-12-3156000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2022-04-01 – 2022-06-3014000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-3028000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2021-01-01 – 2021-12-3141000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence

Intersegment Elimination · Services · Group And Specialty

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=hum:ServicesMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-315000000 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-3120000000 USD20180216Open filing evidence
2017-07-01 – 2017-09-305000000 USD20171108Open filing evidence
2017-01-01 – 2017-09-3015000000 USD20171108Open filing evidence

Intersegment Elimination · Services · Healthcare Services

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=hum:ServicesMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-314018000000 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-3117293000000 USD20180216Open filing evidence
2017-07-01 – 2017-09-304339000000 USD20171108Open filing evidence
2017-01-01 – 2017-09-3012958000000 USD20171108Open filing evidence

Intersegment Elimination · Services · Individual Commercial

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=hum:ServicesMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-12-310 USD20180216Open filing evidence

Intersegment Elimination · Services · Individual Commercial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=hum:ServicesMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialSegmentMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-310 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD20171108Open filing evidence
2017-01-01 – 2017-09-300 USD20171108Open filing evidence

Intersegment Elimination · Services · Retail

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=hum:ServicesMember;us-gaap:StatementBusinessSegmentsAxis=hum:RetailMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-310 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD20180216Open filing evidence
2017-07-01 – 2017-09-300 USD20171108Open filing evidence
2017-01-01 – 2017-09-300 USD20171108Open filing evidence

Intersegment Elimination · Product · Group And Specialty

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-310 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD20180216Open filing evidence
2017-07-01 – 2017-09-300 USD20171108Open filing evidence
2017-01-01 – 2017-09-300 USD20171108Open filing evidence

Intersegment Elimination · Product · Healthcare Services

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-311535000000 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-316292000000 USD20180216Open filing evidence
2017-07-01 – 2017-09-301572000000 USD20171108Open filing evidence
2017-01-01 – 2017-09-304706000000 USD20171108Open filing evidence

Intersegment Elimination · Product · Individual Commercial

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-12-310 USD20180216Open filing evidence

Intersegment Elimination · Product · Individual Commercial Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialSegmentMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-310 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD20171108Open filing evidence
2017-01-01 – 2017-09-300 USD20171108Open filing evidence

Intersegment Elimination · Product · Retail

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:ProductOrServiceAxis=us-gaap:ProductMember;us-gaap:StatementBusinessSegmentsAxis=hum:RetailMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-310 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD20180216Open filing evidence
2017-07-01 – 2017-09-300 USD20171108Open filing evidence
2017-01-01 – 2017-09-300 USD20171108Open filing evidence

Intersegment Elimination · Group And Specialty

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-315000000 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-3120000000 USD20180216Open filing evidence
2017-07-01 – 2017-09-305000000 USD20171108Open filing evidence
2017-01-01 – 2017-09-3015000000 USD20171108Open filing evidence

Intersegment Elimination · Healthcare Services

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-315553000000 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-3123585000000 USD20180216Open filing evidence
2017-07-01 – 2017-09-305911000000 USD20171108Open filing evidence
2017-01-01 – 2017-09-3017664000000 USD20171108Open filing evidence

Intersegment Elimination · Individual Commercial

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-12-310 USD20180216Open filing evidence

Intersegment Elimination · Individual Commercial Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialSegmentMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-310 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-07-01 – 2017-09-300 USD20171108Open filing evidence
2017-01-01 – 2017-09-300 USD20171108Open filing evidence

Intersegment Elimination · Retail

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=hum:RetailMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-310 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-310 USD20180216Open filing evidence
2017-07-01 – 2017-09-300 USD20171108Open filing evidence
2017-01-01 – 2017-09-300 USD20171108Open filing evidence

Operating Segments · Group And Specialty

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-311958000000 RestatedUSD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-317398000000 RestatedUSD20180216Open filing evidence
2017-07-01 – 2017-09-301841000000 RestatedUSD20171108Open filing evidence
2017-01-01 – 2017-09-305518000000 RestatedUSD20171108Open filing evidence

Operating Segments · Healthcare Services

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-31104000000 RestatedUSD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-31338000000 RestatedUSD20180216Open filing evidence
2017-07-01 – 2017-09-3080000000 RestatedUSD20171108Open filing evidence
2017-01-01 – 2017-09-30251000000 RestatedUSD20171108Open filing evidence

Operating Segments · Individual Commercial

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-12-31947000000 RestatedUSD20180216Open filing evidence

Operating Segments · Individual Commercial Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:IndividualCommercialSegmentMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-31-5000000 USD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-07-01 – 2017-09-30224000000 RestatedUSD20171108Open filing evidence
2017-01-01 – 2017-09-30754000000 RestatedUSD20171108Open filing evidence

Operating Segments · Retail

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=hum:RetailMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3112070000000 RestatedUSD2018-05-02 · 21:09:04.000ZOpen filing evidence
2017-01-01 – 2017-12-3144636000000 RestatedUSD20180216Open filing evidence
2017-07-01 – 2017-09-3011023000000 RestatedUSD20171108Open filing evidence
2017-01-01 – 2017-09-3033706000000 RestatedUSD20171108Open filing evidence

Center Well Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-304530000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-06-309035000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-03-314505000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2022-01-01 – 2022-12-3117307000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2022-04-01 – 2022-06-304527000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-308892000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-03-314365000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2021-01-01 – 2021-12-3114058000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2020-01-01 – 2020-12-3111490000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Center Well Segment · Corporate And Eliminations

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-314031000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2023-07-01 – 2023-09-303901000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-09-3011432000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-03-313748000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2022-07-01 – 2022-09-303322000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-3010008000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-03-313303000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence

Center Well Segment · Corporate And Eliminations · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-312615000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2022-01-01 – 2022-03-312446000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence

Center Well Segment · Corporate And Eliminations · Service

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-311133000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2022-01-01 – 2022-03-31857000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence

Center Well Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:CenterWellSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-314818000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2023-01-01 – 2023-12-3118405000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2023-01-01 – 2023-03-314505000000 RestatedUSD2024-04-24 · 23:47:25.000ZOpen filing evidence
2022-01-01 – 2022-12-3117307000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2022-01-01 – 2022-03-311060000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2021-01-01 – 2021-12-3114058000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence

Group And Specialty · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-301794000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2020-01-01 – 2020-09-305494000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2020-04-01 – 2020-06-301835000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2020-01-01 – 2020-06-303700000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2019-07-01 – 2019-09-301889000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2019-01-01 – 2019-09-305650000000 USD2020-11-04 · 00:01:41.000ZOpen filing evidence
2019-04-01 – 2019-06-301874000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2019-01-01 – 2019-06-303761000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence

Group And Specialty Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtySegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-301551000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-304748000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-301695000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-305150000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Group And Specialty Segment · Corporate And Eliminations

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtySegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-3014000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3042000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-3010000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3030000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Group And Specialty Segment · Corporate And Eliminations · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtySegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-300 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Group And Specialty Segment · Corporate And Eliminations · Service

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtySegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-3014000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3042000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-3010000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3030000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Group And Specialty Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:GroupAndSpecialtySegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-301584000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2022-01-01 – 2022-06-303197000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2022-01-01 – 2022-03-311613000000 USD2022-04-27 · 22:21:19.000ZOpen filing evidence
2021-01-01 – 2021-12-316872000000 USD2022-02-18 · 02:23:04.000ZOpen filing evidence
2021-07-01 – 2021-09-301695000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2021-01-01 – 2021-09-305150000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2021-04-01 – 2021-06-301718000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2021-01-01 – 2021-06-303455000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2021-01-01 – 2021-03-311737000000 USD2022-04-27 · 22:21:19.000ZOpen filing evidence
2020-01-01 – 2020-12-317285000000 USD2022-02-18 · 02:23:04.000ZOpen filing evidence
2020-07-01 – 2020-09-301794000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2020-01-01 – 2020-09-305494000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2020-04-01 – 2020-06-301835000000 USD2021-07-28 · 22:01:19.000ZOpen filing evidence
2020-01-01 – 2020-06-303700000000 USD2021-07-28 · 22:01:19.000ZOpen filing evidence
2019-01-01 – 2019-12-317525000000 USD2022-02-18 · 02:23:04.000ZOpen filing evidence
2018-01-01 – 2018-12-317679000000 USD2021-02-19 · 02:59:52.000ZOpen filing evidence

Healthcare Services · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-306941000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2020-01-01 – 2020-06-3014026000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2019-04-01 – 2019-06-306387000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence
2019-01-01 – 2019-06-3012485000000 USD2020-08-05 · 22:02:14.000ZOpen filing evidence

Healthcare Services Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesSegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-308880000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3026530000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-308038000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3022760000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Healthcare Services Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:HealthcareServicesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-308962000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2022-01-01 – 2022-06-3017650000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2022-01-01 – 2022-03-318688000000 USD2022-04-27 · 22:21:19.000ZOpen filing evidence
2021-04-01 – 2021-06-307524000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2021-01-01 – 2021-06-3014722000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2021-01-01 – 2021-03-317198000000 USD2022-04-27 · 22:21:19.000ZOpen filing evidence
2020-01-01 – 2020-12-3128448000000 USD2021-02-19 · 02:59:52.000ZOpen filing evidence
2020-04-01 – 2020-06-306941000000 USD2021-07-28 · 22:01:19.000ZOpen filing evidence
2020-01-01 – 2020-06-3014026000000 USD2021-07-28 · 22:01:19.000ZOpen filing evidence
2019-01-01 – 2019-12-3125783000000 USD2021-02-19 · 02:59:52.000ZOpen filing evidence
2018-01-01 – 2018-12-3123811000000 USD2021-02-19 · 02:59:52.000ZOpen filing evidence

Insurance Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember
PeriodValueUnitFiledEvidence
2023-04-01 – 2023-06-3025875000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-06-3051778000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-03-3125903000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2022-01-01 – 2022-12-3188841000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2022-04-01 – 2022-06-3022532000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-3045499000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-03-3122967000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2021-01-01 – 2021-12-3180930000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence
2020-01-01 – 2020-12-3174597000000 USD2023-02-17 · 01:11:58.000ZOpen filing evidence

Insurance Segment · Corporate And Eliminations

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-3131000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2023-07-01 – 2023-09-301000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-09-3030000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-04-01 – 2023-06-3015000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-06-3029000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-03-3114000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2022-01-01 – 2022-12-3156000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2022-07-01 – 2022-09-3014000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-3042000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-04-01 – 2022-06-3014000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-3028000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-03-3114000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2021-01-01 – 2021-12-3141000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence

Insurance Segment · Corporate And Eliminations · Product

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ProductMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-310 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2023-04-01 – 2023-06-300 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-06-300 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-03-310 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2022-04-01 – 2022-06-300 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-300 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-03-310 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2021-01-01 – 2021-12-310 USD2024-02-16 · 02:55:39.000ZOpen filing evidence

Insurance Segment · Corporate And Eliminations · Service

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-3114000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence
2022-01-01 – 2022-03-3114000000 USD2023-04-26 · 23:07:20.000ZOpen filing evidence

Insurance Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2024-01-01 – 2024-03-3128699000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2023-01-01 – 2023-12-31102854000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2023-04-01 – 2023-06-3025726000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-06-3051518000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2023-01-01 – 2023-03-3125903000000 USD2024-04-24 · 23:47:25.000ZOpen filing evidence
2022-01-01 – 2022-12-3188841000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2022-04-01 – 2022-06-3022472000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2022-01-01 – 2022-06-3045379000000 USD2023-08-02 · 23:12:55.000ZOpen filing evidence
2021-01-01 – 2021-12-3180930000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence

Insurance Segment · External Revenues · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ProductOrServiceAxis=hum:ExternalRevenuesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-12-31102272000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2022-01-01 – 2022-12-3188562000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence
2021-01-01 – 2021-12-3180675000000 USD2024-02-16 · 02:55:39.000ZOpen filing evidence

Insurance Segment · Product · Corporate And Eliminations

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ProductOrServiceAxis=us-gaap:ProductMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-300 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-09-300 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-07-01 – 2022-09-300 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-300 USD2023-11-01 · 22:06:42.000ZOpen filing evidence

Insurance Segment · Service · Corporate And Eliminations

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:InsuranceSegmentMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;srt:ConsolidationItemsAxis=hum:CorporateAndEliminationsMember
PeriodValueUnitFiledEvidence
2023-07-01 – 2023-09-301000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2023-01-01 – 2023-09-3030000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-07-01 – 2022-09-3014000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence
2022-01-01 – 2022-09-3042000000 USD2023-11-01 · 22:06:42.000ZOpen filing evidence

Retail Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:RetailSegmentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-3020189000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3062486000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-07-01 – 2021-09-3018440000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3055633000000 USD2022-11-02 · 23:07:59.000ZOpen filing evidence

Retail Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=hum:RetailSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3020946000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2022-01-01 – 2022-06-3042297000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2022-01-01 – 2022-03-3121351000000 USD2022-04-27 · 22:21:19.000ZOpen filing evidence
2021-07-01 – 2021-09-3018440000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2021-01-01 – 2021-09-3055633000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2021-04-01 – 2021-06-3018545000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2021-01-01 – 2021-06-3037193000000 USD2022-07-27 · 23:09:11.000ZOpen filing evidence
2021-01-01 – 2021-03-3118648000000 USD2022-04-27 · 22:21:19.000ZOpen filing evidence
2020-07-01 – 2020-09-3016741000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2020-01-01 – 2020-09-3050464000000 USD2021-11-03 · 22:48:52.000ZOpen filing evidence
2020-04-01 – 2020-06-3016961000000 USD2021-07-28 · 22:01:19.000ZOpen filing evidence
2020-01-01 – 2020-06-3033723000000 USD2021-07-28 · 22:01:19.000ZOpen filing evidence