Fundies. English
Segment disclosures
Company overviewCENTERPOINT ENERGY INC
Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.
Revenue · Reported segment facts
63 dimension combinations 745 retained observations 35 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 Reconciling Items · Corporate And Other
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=cnp:CorporateAndReconcilingItemsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | 74000000 | USD | 20211104 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 193000000 | USD | 20211104 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 65000000 | USD | 20210805 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 119000000 | USD | 20210805 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 73000000 | USD | 20211104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 235000000 | USD | 20211104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 83000000 | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 162000000 | USD | 20210805 | Open filing evidence |
Consolidation Eliminations · Electric
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260423 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260219 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251107 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260423 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 0 | USD | 20260219 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260219 | Open filing evidence |
Consolidation Eliminations · Natural Gas Segment
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | -1000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | -1000000 | USD | 20260423 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | -3000000 | USD | 20260219 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | -2000000 | USD | 20251107 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | -1000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | -2000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | -1000000 | USD | 20260423 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | -2000000 Restated | USD | 20260219 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | -3000000 Restated | USD | 20260219 | Open filing evidence |
Consolidation Eliminations · Corporate And Other
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | -1000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | -2000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | -1000000 | USD | 20260423 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260219 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251107 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260423 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 0 | USD | 20260219 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260219 | Open filing evidence |
Corporate Non Segment · Corporate And Other
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:CorporateNonSegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-03-31 | 54000000 | USD | 20210506 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 79000000 | USD | 20210506 | Open filing evidence |
Intersegment Elimination · Electric Transmission Distribution
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
Intersegment Elimination · Energy Services
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:EnergyServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | -129000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | -11000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | -92000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | -17000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | -81000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | -64000000 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | -110000000 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | -10000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | -57000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | -19000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | -47000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | -28000000 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
Intersegment Elimination · Indiana Electric Integrated
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:IndianaElectricIntegratedMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-07-01 – 2019-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
Intersegment Elimination · Infrastructure Services
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:InfrastructureServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | -4000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | -1000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | -2000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | -1000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | -1000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
Intersegment Elimination · Infrastructure Services · Reportable Subsegments
Consolidation Items · Statement Business Segments · Subsegments Consolidation Items
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:InfrastructureServicesMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | -4000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | -1000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | -2000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | -1000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | -1000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 0 | USD | 20200227 | Open filing evidence |
Intersegment Elimination · Midstream Investments
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:MidstreamInvestmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
Intersegment Elimination · Natural Gas Distribution
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | -40000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | -9000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | -29000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | -10000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | -20000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | -10000000 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | -36000000 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | -8000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | -26000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | -8000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | -18000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | -10000000 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
Intersegment Elimination · Natural Gas Distribution · Reportable Subsegments
Consolidation Items · Statement Business Segments · Subsegments Consolidation Items
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasDistributionMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-04-01 – 2019-06-30 | -10000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | -20000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Intersegment Elimination · Corporate And Other
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
Operating Segments · Electric
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 3763000000 | USD | 20220222 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 3470000000 | USD | 20220222 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 3519000000 | USD | 20220222 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 3232000000 | USD | 20210225 | Open filing evidence |
Operating Segments · Electric Segment
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1372000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2581000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1209000000 | USD | 20260423 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 4866000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1365000000 | USD | 20251107 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3622000000 | USD | 20251107 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1191000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2257000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1066000000 | USD | 20260423 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4590000000 | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1243000000 | USD | 20251107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 3499000000 | USD | 20251107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1207000000 | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2256000000 | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1049000000 | USD | 20250424 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4290000000 | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1261000000 | USD | 20241028 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3250000000 | USD | 20241028 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1037000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1989000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 952000000 | USD | 20230427 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 4108000000 | USD | 20250220 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1146000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 3092000000 | USD | 20231026 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1053000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 1946000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 893000000 | USD | 20230427 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1056000000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 2823000000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 937000000 | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1767000000 | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 830000000 | USD | 20210506 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 848000000 | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1615000000 | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 767000000 | USD | 20210506 | Open filing evidence |
Operating Segments · Midstream Investments
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=cnp:MidstreamInvestmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 0 | USD | 20210225 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 0 | USD | 20210225 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 0 | USD | 20210225 | Open filing evidence |
Operating Segments · Midstream Investments Segment
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=cnp:MidstreamInvestmentsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-03-31 | 0 | USD | 20210506 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 0 | USD | 20210506 | Open filing evidence |
Operating Segments · Natural Gas
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 3631000000 | USD | 20210225 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 3750000000 | USD | 20210225 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 3031000000 | USD | 20210225 | Open filing evidence |
Operating Segments · Natural Gas Segment
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 777000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2541000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1764000000 | USD | 20260423 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 4483000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 622000000 | USD | 20251107 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3224000000 | USD | 20251107 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 750000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2602000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1852000000 | USD | 20260423 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4048000000 | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 611000000 | USD | 20251107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 2876000000 | USD | 20251107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 695000000 | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2265000000 | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1570000000 | USD | 20250424 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4276000000 | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 597000000 | USD | 20241028 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3136000000 | USD | 20241028 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 764000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 2539000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1775000000 | USD | 20230427 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 4946000000 | USD | 20250220 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 692000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 3334000000 | USD | 20231026 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 818000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 2642000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 1824000000 | USD | 20230427 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 4336000000 | USD | 20240220 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 619000000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3022000000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 740000000 | USD | 20210805 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2403000000 | USD | 20210805 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 1663000000 | USD | 20210506 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 3631000000 | USD | 20220222 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 644000000 | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1965000000 | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 1321000000 | USD | 20210506 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 3750000000 | USD | 20220222 | Open filing evidence |
Operating Segments · Corporate And Other
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 3000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 5000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 2000000 | USD | 20260423 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 8000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1000000 | USD | 20251107 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 6000000 | USD | 20251107 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 3000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 5000000 | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 2000000 | USD | 20260423 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 5000000 | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 2000000 | USD | 20251107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 6000000 | USD | 20251107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 3000000 | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 4000000 | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1000000 | USD | 20250424 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 130000000 | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 2000000 | USD | 20241028 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 128000000 | USD | 20241028 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 74000000 | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 126000000 | USD | 20240730 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 267000000 | USD | 20250220 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 73000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 119000000 | USD | 20230727 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 253000000 | USD | 20240220 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 65000000 | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 119000000 | USD | 20220802 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 317000000 | USD | 20220222 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 295000000 | USD | 20220222 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 14000000 | USD | 20210225 | Open filing evidence |
Affiliates Of Nrg Energy Inc · Electric
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=cnp:AffiliatesOfNrgEnergyIncMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 749000000 | USD | 20210225 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 727000000 | USD | 20210225 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 705000000 | USD | 20210225 | Open filing evidence |
Affiliates Of Nrg Energy Inc · Electric Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=cnp:AffiliatesOfNrgEnergyIncMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 370000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 826000000 | USD | 20231026 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 327000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 797000000 | USD | 20231026 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 245000000 | USD | 20220802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 470000000 | USD | 20220802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 225000000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 285000000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 672000000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 192000000 | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 387000000 | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 195000000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 243000000 | USD | 20211104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 573000000 | USD | 20211104 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 156000000 | USD | 20210506 | Open filing evidence |
Affiliates Of Nrg Energy Inc · Electric Transmission Distribution
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=cnp:AffiliatesOfNrgEnergyIncMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-04-01 – 2020-06-30 | 174000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 330000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 156000000 | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 727000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 231000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 547000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 165000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 316000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 151000000 | USD | 20200507 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 705000000 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 213000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 543000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 169000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 330000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 161000000 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
Affiliatesof Vistra Energy Corp. · Electric
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=cnp:AffiliatesofVistraEnergyCorp.Member;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 404000000 | USD | 20210225 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 263000000 | USD | 20210225 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 251000000 | USD | 20210225 | Open filing evidence |
Affiliatesof Vistra Energy Corp. · Electric Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=cnp:AffiliatesofVistraEnergyCorp.Member;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-03-31 | 114000000 | USD | 20230427 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 153000000 | USD | 20221101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 372000000 | USD | 20221101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 114000000 | USD | 20220802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 219000000 | USD | 20220802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 105000000 | USD | 20230427 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 128000000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 303000000 | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 87000000 | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 175000000 | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 88000000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 81000000 | USD | 20210506 | Open filing evidence |
Affiliatesof Vistra Energy Corp. · Electric Transmission Distribution
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=cnp:AffiliatesofVistraEnergyCorp.Member;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-04-01 – 2020-06-30 | 92000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 173000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 81000000 | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 263000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 83000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 196000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 59000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 113000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 54000000 | USD | 20200507 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 251000000 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 79000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 192000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 59000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 113000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Intersegment Elimination · Electric Transmission Distribution
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-07-01 – 2018-09-30 | 0 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
Intersegment Elimination · Energy Services
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:EnergyServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-07-01 – 2018-09-30 | -10000000 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | -57000000 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | -19000000 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | -47000000 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
Intersegment Elimination · Midstream Investments
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:MidstreamInvestmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-07-01 – 2018-09-30 | 0 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
Intersegment Elimination · Natural Gas Distribution
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-07-01 – 2018-09-30 | -8000000 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | -26000000 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | -8000000 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | -18000000 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
Intersegment Elimination · Corporate And Other
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-07-01 – 2018-09-30 | 0 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
Affiliates Of Nrg Energy Inc · Electric Transmission Distribution
Major Customers · Statement Business Segments
Source dimensions
us-gaap:MajorCustomersAxis=cnp:AffiliatesOfNrgEnergyIncMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-07-01 – 2018-09-30 | 213000000 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 543000000 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 169000000 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 330000000 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
Affiliatesof Vistra Energy Corp. · Electric Transmission Distribution
Major Customers · Statement Business Segments
Source dimensions
us-gaap:MajorCustomersAxis=cnp:AffiliatesofVistraEnergyCorp.Member;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-07-01 – 2018-09-30 | 79000000 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 192000000 | USD | 2018-11-08 · 11:25:29.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 59000000 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 113000000 | USD | 2018-08-03 · 10:23:21.000Z | Open filing evidence |
Electric
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1549000000 Restated | USD | 20261027 | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 4130000000 Restated | USD | 20261027 | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 1372000000 Restated | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2581000000 Restated | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1209000000 Restated | USD | 20260423 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 4866000000 Restated | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1365000000 Restated | USD | 20261027 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3622000000 Restated | USD | 20261027 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1191000000 Restated | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2257000000 Restated | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1066000000 Restated | USD | 20260423 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4590000000 Restated | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1243000000 Restated | USD | 20251107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 3499000000 Restated | USD | 20251107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1207000000 | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2256000000 Restated | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1049000000 Restated | USD | 20250424 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4290000000 Restated | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1261000000 Restated | USD | 20241028 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3250000000 Restated | USD | 20241028 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1037000000 Restated | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1989000000 Restated | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 952000000 Restated | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 4108000000 Restated | USD | 20250220 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1146000000 Restated | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 3092000000 Restated | USD | 20231026 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1053000000 Restated | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 1946000000 Restated | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 893000000 Restated | USD | 20230427 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 3763000000 Restated | USD | 20240220 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1056000000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 2823000000 Restated | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 937000000 Restated | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1767000000 Restated | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 830000000 Restated | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 3470000000 Restated | USD | 20230217 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 985000000 | USD | 20211104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 2600000000 Restated | USD | 20211104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 848000000 Restated | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1615000000 Restated | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 767000000 | USD | 20210506 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 3519000000 Restated | USD | 20220222 | Open filing evidence |
Electric · Consolidation Eliminations
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricMember;srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 20261027 | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 0 | USD | 20261027 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20261027 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20240220 | Open filing evidence |
Electric · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 4290000000 | USD | 20240220 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 4108000000 | USD | 20240220 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 3763000000 | USD | 20240220 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 3470000000 | USD | 20230217 | Open filing evidence |
Electric Segment · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1549000000 | USD | 20261027 | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 4130000000 | USD | 20261027 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1365000000 | USD | 20261027 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3622000000 | USD | 20261027 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1049000000 | USD | 20240430 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 952000000 | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 893000000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1056000000 | USD | 20211104 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 2823000000 | USD | 20211104 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 830000000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 985000000 | USD | 20211104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 2600000000 | USD | 20211104 | Open filing evidence |
Electric Segment · Affiliates Of Nrg Energy Inc
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricSegmentMember;srt:MajorCustomersAxis=cnp:AffiliatesOfNrgEnergyIncMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 229000000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 456000000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 227000000 | USD | 20230427 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 245000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 470000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 225000000 | USD | 20230427 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 192000000 | USD | 20210805 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 387000000 | USD | 20210805 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 174000000 | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 330000000 | USD | 20210805 | Open filing evidence |
Electric Segment · Affiliatesof Vistra Energy Corp.
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricSegmentMember;srt:MajorCustomersAxis=cnp:AffiliatesofVistraEnergyCorp.Member| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 177000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 403000000 | USD | 20231026 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 112000000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 226000000 | USD | 20230727 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 153000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 372000000 | USD | 20231026 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 114000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 219000000 | USD | 20230727 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 128000000 | USD | 20211104 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 303000000 | USD | 20211104 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 87000000 | USD | 20210805 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 175000000 | USD | 20210805 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 128000000 | USD | 20211104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 301000000 | USD | 20211104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 92000000 | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 173000000 | USD | 20210805 | Open filing evidence |
Electric Transmission Distribution
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-07-01 – 2020-09-30 | 828000000 | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 2186000000 | USD | 20201105 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 720000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1358000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 638000000 | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 2996000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 859000000 | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 2313000000 | USD | 20201105 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 765000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 1454000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 689000000 | USD | 20200507 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 3232000000 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 897000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 2502000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 854000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 1605000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Electric Transmission Distribution · Affiliates Of Nrg Energy Inc
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember;srt:MajorCustomersAxis=cnp:AffiliatesOfNrgEnergyIncMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-07-01 – 2020-09-30 | 243000000 | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 573000000 | USD | 20201105 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 231000000 | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 547000000 | USD | 20201105 | Open filing evidence |
Electric Transmission Distribution · Affiliatesof Vistra Energy Corp.
Statement Business Segments · Major Customers
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember;srt:MajorCustomersAxis=cnp:AffiliatesofVistraEnergyCorp.Member| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-07-01 – 2020-09-30 | 128000000 | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 301000000 | USD | 20201105 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 83000000 | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 196000000 | USD | 20201105 | Open filing evidence |
Electric Transmission Distribution · Reportable Subsegments
Statement Business Segments · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricTransmissionDistributionMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-07-01 – 2020-09-30 | 828000000 | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 2186000000 Restated | USD | 20201105 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 720000000 Restated | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1358000000 Restated | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 638000000 | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 2996000000 Restated | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 859000000 Restated | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 2313000000 Restated | USD | 20201105 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 765000000 Restated | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 1454000000 Restated | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 689000000 Restated | USD | 20200507 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 3232000000 Restated | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 897000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 2502000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 854000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 1605000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Energy Services
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:EnergyServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | 3653000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 734000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 2754000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 838000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 2020000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 1182000000 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 4411000000 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 910000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 3008000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 841000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 2098000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Energy Services · Reportable Subsegments
Statement Business Segments · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:EnergyServicesMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | 3653000000 Restated | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 734000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 2754000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 838000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 2020000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 1182000000 Restated | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 4411000000 Restated | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 910000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 3008000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 841000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 2098000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Indiana Electric Integrated
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:IndianaElectricIntegratedMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-07-01 – 2020-09-30 | 157000000 | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 414000000 | USD | 20201105 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 128000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 257000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 129000000 | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 523000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 165000000 | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 388000000 | USD | 20201105 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 140000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 223000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 83000000 | USD | 20200507 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Indiana Electric Integrated · Reportable Subsegments
Statement Business Segments · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:IndianaElectricIntegratedMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-07-01 – 2020-09-30 | 157000000 | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 414000000 | USD | 20201105 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 128000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 257000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 129000000 | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 523000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 165000000 | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 388000000 | USD | 20201105 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 140000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 223000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 83000000 | USD | 20200507 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Infrastructure Services
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:InfrastructureServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | 1186000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 376000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 847000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 325000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 471000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 146000000 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Infrastructure Services · Reportable Subsegments
Statement Business Segments · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:InfrastructureServicesMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2019-01-01 – 2019-12-31 | 1186000000 Restated | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 376000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 847000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 325000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 471000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 146000000 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Midstream Investments
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:MidstreamInvestmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-07-01 – 2020-09-30 | 0 | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 0 | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 0 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 0 | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 0 | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 0 | USD | 20201105 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 0 | USD | 2019-05-09 · 10:24:46.000Z | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 0 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Midstream Investments Segment · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:MidstreamInvestmentsSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-04-01 – 2021-06-30 | 0 | USD | 20210805 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 0 | USD | 20210805 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 0 | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 0 | USD | 20210805 | Open filing evidence |
Natural Gas Distribution
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-07-01 – 2020-09-30 | 560000000 | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 2519000000 | USD | 20201105 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 641000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1959000000 | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 1318000000 | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 3643000000 | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 541000000 Restated | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 2629000000 Restated | USD | 20201105 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 673000000 Restated | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 2088000000 Restated | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 1415000000 Restated | USD | 20200507 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 2931000000 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 402000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 2032000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 487000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 1630000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Natural Gas Distribution · Reportable Subsegments
Statement Business Segments · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasDistributionMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-07-01 – 2020-09-30 | 560000000 Restated | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 2519000000 Restated | USD | 20201105 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 641000000 Restated | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1959000000 Restated | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 1318000000 Restated | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 3643000000 Restated | USD | 20200227 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 541000000 Restated | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 2629000000 Restated | USD | 20201105 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 673000000 Restated | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 2088000000 Restated | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 1415000000 Restated | USD | 20200507 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 2931000000 Restated | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 402000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 2032000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 487000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 1630000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Natural Gas · Reportable Subsegments
Statement Business Segments · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 3631000000 Restated | USD | 20210225 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 3750000000 Restated | USD | 20210225 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 3031000000 Restated | USD | 20210225 | Open filing evidence |
Natural Gas Segment
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 640000000 Restated | USD | 20261027 | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 3181000000 Restated | USD | 20261027 | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 777000000 Restated | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2541000000 Restated | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1764000000 Restated | USD | 20260423 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 4483000000 Restated | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 622000000 Restated | USD | 20261027 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3224000000 Restated | USD | 20261027 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 750000000 Restated | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2602000000 Restated | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1852000000 Restated | USD | 20260423 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4046000000 Restated | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 611000000 Restated | USD | 20251107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 2876000000 Restated | USD | 20251107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 695000000 Restated | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2265000000 Restated | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1570000000 Restated | USD | 20250424 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4276000000 Restated | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 597000000 Restated | USD | 20241028 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3136000000 Restated | USD | 20241028 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 764000000 Restated | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 2539000000 Restated | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1775000000 Restated | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 4946000000 Restated | USD | 20250220 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 692000000 Restated | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 3334000000 Restated | USD | 20231026 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 818000000 Restated | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 2642000000 Restated | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 1824000000 Restated | USD | 20230427 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 4336000000 Restated | USD | 20240220 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 619000000 Restated | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3022000000 Restated | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 740000000 Restated | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2403000000 Restated | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 1663000000 Restated | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 3631000000 Restated | USD | 20230217 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 564000000 Restated | USD | 20211104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 2529000000 Restated | USD | 20211104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 644000000 Restated | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1965000000 Restated | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 1321000000 Restated | USD | 20210506 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 3750000000 Restated | USD | 20220222 | Open filing evidence |
Natural Gas Segment · Consolidation Eliminations
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasSegmentMember;srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | -1000000 | USD | 20261027 | Open filing evidence |
| 2026-01-01 – 2026-09-30 | -2000000 | USD | 20261027 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | -2000000 | USD | 20261027 | Open filing evidence |
Natural Gas Segment · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cnp:NaturalGasSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 640000000 | USD | 20261027 | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 3181000000 | USD | 20261027 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 622000000 | USD | 20261027 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3224000000 | USD | 20261027 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1570000000 | USD | 20240430 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1775000000 | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 4946000000 | USD | 20230217 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 818000000 | USD | 20220802 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 2642000000 | USD | 20220802 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 1824000000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 4336000000 | USD | 20230217 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 619000000 | USD | 20211104 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3022000000 | USD | 20211104 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 740000000 | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2403000000 | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 1663000000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 3631000000 | USD | 20230217 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 564000000 | USD | 20211104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 2529000000 | USD | 20211104 | Open filing evidence |
Corporate And Other
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 2000000 | USD | 20261027 | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 7000000 | USD | 20261027 | Open filing evidence |
| 2026-04-01 – 2026-06-30 | 3000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 5000000 | USD | 20260728 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 2000000 | USD | 20260423 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 8000000 Restated | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1000000 | USD | 20261027 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 6000000 Restated | USD | 20261027 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 3000000 Restated | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 5000000 Restated | USD | 20260728 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 2000000 Restated | USD | 20260423 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 7000000 Restated | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 2000000 Restated | USD | 20251107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 6000000 Restated | USD | 20251107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 3000000 Restated | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 4000000 Restated | USD | 20250724 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1000000 | USD | 20250424 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 130000000 Restated | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 2000000 Restated | USD | 20241028 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 128000000 Restated | USD | 20241028 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 74000000 Restated | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 126000000 Restated | USD | 20240730 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 52000000 Restated | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 267000000 Restated | USD | 20250220 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 65000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 184000000 Restated | USD | 20231026 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 73000000 Restated | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 119000000 Restated | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 46000000 Restated | USD | 20230427 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 253000000 Restated | USD | 20240220 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 74000000 Restated | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 193000000 Restated | USD | 20221101 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 65000000 Restated | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 119000000 Restated | USD | 20220802 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 54000000 Restated | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 317000000 Restated | USD | 20230217 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 73000000 Restated | USD | 20211104 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 235000000 Restated | USD | 20211104 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 83000000 Restated | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 162000000 Restated | USD | 20210805 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 79000000 Restated | USD | 20210506 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 295000000 Restated | USD | 20220222 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 93000000 | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 215000000 | USD | 20201105 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 80000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 122000000 | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 42000000 | USD | 20200507 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 15000000 | USD | 20200227 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 3000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 11000000 | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 4000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 8000000 | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Corporate And Other · Consolidation Eliminations
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 20261027 | Open filing evidence |
| 2026-01-01 – 2026-09-30 | -2000000 | USD | 20261027 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20261027 | Open filing evidence |
Corporate And Other · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 2000000 | USD | 20261027 | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 7000000 | USD | 20261027 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1000000 | USD | 20261027 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 6000000 | USD | 20261027 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1000000 | USD | 20240430 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 2000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 128000000 | USD | 20231026 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 52000000 | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 267000000 | USD | 20230217 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 65000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 184000000 | USD | 20231026 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 46000000 | USD | 20230427 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 253000000 | USD | 20230217 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 74000000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 193000000 | USD | 20221101 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 54000000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 317000000 | USD | 20230217 | Open filing evidence |
Corporate And Other · Reportable Subsegments
Statement Business Segments · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 317000000 Restated | USD | 20210225 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 77000000 Restated | USD | 20201105 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 245000000 Restated | USD | 20201105 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 86000000 Restated | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 168000000 Restated | USD | 20200806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 82000000 Restated | USD | 20200507 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 295000000 | USD | 20210225 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 93000000 Restated | USD | 20201105 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 215000000 Restated | USD | 20201105 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 80000000 Restated | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 122000000 Restated | USD | 20200806 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 42000000 Restated | USD | 20200507 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 14000000 Restated | USD | 20210225 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 3000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 11000000 Restated | USD | 2019-11-07 · 11:33:03.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 4000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 8000000 Restated | USD | 2019-08-07 · 10:35:14.000Z | Open filing evidence |
Reportable Subsegments · Electric
Subsegments Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:StatementBusinessSegmentsAxis=cnp:ElectricMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 3470000000 Restated | USD | 20210225 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 3519000000 Restated | USD | 20210225 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 3232000000 Restated | USD | 20210225 | Open filing evidence |