Fundies. English
Segment disclosures
Company overviewONEOK, Inc.
Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.
Revenue · Reported segment facts
146 dimension combinations 778 retained observations 14 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.
Natural Gas Gatheringand Processing Intersegment · Natural Gas Gathering And Processing
Intersegment Revenuesby Name · Statement Business Segments
Source dimensions
oke:IntersegmentRevenuesbyNameAxis=oke:NaturalGasGatheringandProcessingIntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1500000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 4000000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 4300000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1100000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3400000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 625000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1300000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 704000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 3000000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 657000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1900000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 632000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 1300000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 620000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2400000000 | USD | 20250225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 620000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1800000000 | USD | 20241030 | Open filing evidence |
Natural Gas Gatheringand Processing Intersegment · Natural Gas Liquids
Intersegment Revenuesby Name · Statement Business Segments
Source dimensions
oke:IntersegmentRevenuesbyNameAxis=oke:NaturalGasGatheringandProcessingIntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 400000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 1100000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 500000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 100000000 Restated | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 200000000 Restated | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 434000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 977000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 543000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 300000000 | USD | 20260224 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2400000000 | USD | 20260224 | Open filing evidence |
Natural Gas Gatheringand Processing Intersegment · Refined Products And Crude Oil
Intersegment Revenuesby Name · Statement Business Segments
Source dimensions
oke:IntersegmentRevenuesbyNameAxis=oke:NaturalGasGatheringandProcessingIntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-04-01 – 2025-06-30 | 79000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 172000000 | USD | 20250805 | Open filing evidence |
Natural Gas Gatheringand Processing Intersegment · Wholly Owned Interstate Natural Gas Pipelines
Intersegment Revenuesby Name · Statement Business Segments
Source dimensions
oke:IntersegmentRevenuesbyNameAxis=oke:NaturalGasGatheringandProcessingIntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-12-31 | 227000000 | USD | 20260224 | Open filing evidence |
Natural Gas Liquids Regulated · Operating Segments · Natural Gas Liquids
Regulated Segment By Name · Consolidation Items · Statement Business Segments
Source dimensions
oke:RegulatedSegmentByNameAxis=oke:NaturalGasLiquidsRegulatedMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 696000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1900000000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 640000000 | USD | 20230808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1200000000 | USD | 20230808 | Open filing evidence |
Natural Gas Liquids Regulated · Natural Gas Liquids
Regulated Segment By Name · Statement Business Segments
Source dimensions
oke:RegulatedSegmentByNameAxis=oke:NaturalGasLiquidsRegulatedMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 756000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 2100000000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 696000000 | USD | 20230808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1300000000 | USD | 20230808 | Open filing evidence |
Natural Gas Pipelines Regulated · Natural Gas Pipelines
Regulated Segment By Name · Statement Business Segments
Source dimensions
oke:RegulatedSegmentByNameAxis=oke:NaturalGasPipelinesRegulatedMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 103000000 | USD | 20230808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 219000000 | USD | 20230808 | Open filing evidence |
Operating Segments · Exchange Services And Natural Gas Gathering And Processing Revenue · Natural Gas Gathering And Processing
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 251000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 1137000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 298000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 852000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 290000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 554000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 184000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 260000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Exchange Services And Natural Gas Gathering And Processing Revenue · Natural Gas Liquids
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 92000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 336000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 111000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 307000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 93000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 196000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 103000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 500000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Exchange Services And Natural Gas Gathering And Processing Revenue · Refined Products And Crude Oil
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 0 | USD | 20260224 | Open filing evidence |
Operating Segments · Exchange Services And Natural Gas Gathering And Processing Revenue · Wholly Owned Interstate Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 0 | USD | 20260224 | Open filing evidence |
Operating Segments · Gatheringand Exchange Services Revenue · Natural Gas Gathering And Processing
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 35000000 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 101000000 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 35000000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 147000000 | USD | 20250225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 36000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 109000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Gathering And Exchange Services Revenue · Natural Gas Gathering And Processing
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringAndExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 184000000 | USD | 20260429 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 35000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 101000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 31000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 66000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 35000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 147000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Gatheringand Exchange Services Revenue · Natural Gas Liquids
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 129000000 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 390000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 549000000 | USD | 20250225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 150000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 414000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Gathering And Exchange Services Revenue · Natural Gas Liquids
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringAndExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 103000000 | USD | 20260429 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 129000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 390000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 139000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 261000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 122000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 549000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Gatheringand Exchange Services Revenue · Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20240227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 0 | USD | 20240806 | Open filing evidence |
Operating Segments · Gatheringand Exchange Services Revenue · Refined Products And Crude Oil
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20250225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
Operating Segments · Gathering And Exchange Services Revenue · Refined Products And Crude Oil
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringAndExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260224 | Open filing evidence |
Operating Segments · Gatheringand Exchange Services Revenue · Wholly Owned Interstate Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 0 | USD | 20250225 | Open filing evidence |
Operating Segments · Gathering And Exchange Services Revenue · Wholly Owned Interstate Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringAndExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260224 | Open filing evidence |
Operating Segments · Liquids Commodity · Natural Gas Gathering And Processing
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 1026000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 4372000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1066000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3393000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1100000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2327000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1227000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 3033000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 648000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1912000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 641000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 1264000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 623000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2479000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Liquids Commodity · Natural Gas Liquids
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 3481000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 15405000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 3746000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 11598000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 3740000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 7852000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 4112000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 14446000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 3496000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 10104000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 3344000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 6608000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 3264000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 13666000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Liquids Commodity · Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
Operating Segments · Liquids Commodity · Refined Products And Crude Oil
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 4128000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 10631000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 3010000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 7227000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 2316000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 4217000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1901000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 2258000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 407000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1250000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 492000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 843000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 351000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 502000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Liquids Commodity · Wholly Owned Interstate Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260224 | Open filing evidence |
Operating Segments · NG Land Condensate Sales · Natural Gas Gathering And Processing
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:NGLandCondensateSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 641000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1835000000 | USD | 20241030 | Open filing evidence |
Operating Segments · NG Land Condensate Sales · Natural Gas Liquids
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:NGLandCondensateSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 3432000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 10103000000 | USD | 20241030 | Open filing evidence |
Operating Segments · NG Land Condensate Sales · Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:NGLandCondensateSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
Operating Segments · NG Land Condensate Sales · Refined Products And Crude Oil
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:NGLandCondensateSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
Operating Segments · Other · Natural Gas Gathering And Processing
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:OtherMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 9000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 38000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 9000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 26000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 9000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 17000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 8000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 23000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 3000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 16000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 5000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 13000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 8000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 32000000 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 9000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 22000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Other · Natural Gas Liquids
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:OtherMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 3000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 11000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 2000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 8000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 4000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 6000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 2000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 14000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 4000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 10000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 4000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 6000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 2000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 10000000 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 4000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 9000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Other · Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:OtherMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2000000 | USD | 20240227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1000000 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1000000 | USD | 20240806 | Open filing evidence |
Operating Segments · Other · Refined Products And Crude Oil
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:OtherMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 28000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 117000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 29000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 86000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 29000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 57000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 28000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 120000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 30000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 81000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 24000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 51000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 27000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 34000000 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 72000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 72000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Other · Wholly Owned Interstate Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:OtherMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Residue Natural Gas Sales · Natural Gas Gathering And Processing
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 711000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 2137000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 468000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1615000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 449000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1147000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 698000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1203000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 219000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 732000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 169000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 513000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 344000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1398000000 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 279000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1066000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Residue Natural Gas Sales · Natural Gas Liquids
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
Operating Segments · Residue Natural Gas Sales · Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 28000000 | USD | 20241030 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 28000000 | USD | 20240806 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 39000000 | USD | 20240227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 3000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 28000000 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 25000000 | USD | 20240806 | Open filing evidence |
Operating Segments · Residue Natural Gas Sales · Refined Products And Crude Oil
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
Operating Segments · Residue Natural Gas Sales · Wholly Owned Interstate Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 455000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 1235000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 296000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 872000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 256000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 576000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 320000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 137000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 28000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 28000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 28000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 39000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Transportationand Storage Revenue · Natural Gas Gathering And Processing
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 0 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 80000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 70000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 0 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 0 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
Operating Segments · Transportationand Storage Revenue · Natural Gas Liquids
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 70000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 258000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 36000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 121000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 34000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 85000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 51000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 207000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 50000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 141000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 43000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 91000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 48000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 204000000 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 48000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 143000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Transportationand Storage Revenue · Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 171000000 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 491000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 582000000 | USD | 20240227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 143000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 434000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Transportationand Storage Revenue · Refined Products And Crude Oil
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 560000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 2291000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 590000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1692000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 563000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1102000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 539000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 2082000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 526000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1490000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 498000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 964000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 466000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 535000000 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241030 | Open filing evidence |
Operating Segments · Transportationand Storage Revenue · Wholly Owned Interstate Natural Gas Pipelines
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 171000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 611000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 154000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 447000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 149000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 293000000 | USD | 20250805 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 144000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 684000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 171000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 491000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 163000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 320000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 157000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 582000000 | USD | 20260224 | Open filing evidence |
Operating Segments · Natural Gas Gathering And Processing
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1878000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 3875000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1997000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 7684000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1841000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 5886000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1848000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 4045000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 2197000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4589000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 905000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 2761000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 846000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 1856000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1010000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4056000000 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 965000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3032000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Natural Gas Gathering And Processing · NG Land Condensate Sales
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ProductOrServiceAxis=oke:NGLandCondensateSalesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 641000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1835000000 | USD | 20231101 | Open filing evidence |
Operating Segments · Natural Gas Gathering And Processing · Transportationand Storage Revenue
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
Operating Segments · Natural Gas Liquids
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 4593000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 8239000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 3646000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 16010000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 3895000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 12034000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 3871000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 8139000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 4268000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 15167000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 3679000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 10645000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 3530000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 6966000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 3436000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 14429000000 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 3634000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 10669000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Natural Gas Liquids · Gatheringand Exchange Services Revenue
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 122000000 | USD | 20240501 | Open filing evidence |
Operating Segments · Natural Gas Liquids · NG Land Condensate Sales
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:NGLandCondensateSalesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 3432000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 10103000000 | USD | 20231101 | Open filing evidence |
Operating Segments · Natural Gas Liquids · Other
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 4000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 9000000 | USD | 20231101 | Open filing evidence |
Operating Segments · Natural Gas Liquids · Residue Natural Gas Sales
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 0 | USD | 20240501 | Open filing evidence |
Operating Segments · Natural Gas Liquids · Transportationand Storage Revenue
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 48000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 143000000 | USD | 20231101 | Open filing evidence |
Operating Segments · Natural Gas Pipelines
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 171000000 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 519000000 | USD | 20241030 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 163000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 348000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 185000000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 623000000 | USD | 20240227 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 146000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 463000000 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 146000000 | USD | 20240806 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 317000000 | USD | 20240806 | Open filing evidence |
Operating Segments · Natural Gas Pipelines · Gatheringand Exchange Services Revenue
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 0 | USD | 20240501 | Open filing evidence |
Operating Segments · Natural Gas Pipelines · NG Land Condensate Sales
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:NGLandCondensateSalesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
Operating Segments · Natural Gas Pipelines · Other
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1000000 | USD | 20231101 | Open filing evidence |
Operating Segments · Natural Gas Pipelines · Residue Natural Gas Sales
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 28000000 | USD | 20240501 | Open filing evidence |
Operating Segments · Natural Gas Pipelines · Transportationand Storage Revenue
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 143000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 434000000 | USD | 20231101 | Open filing evidence |
Operating Segments · Refined Products And Crude Oil
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 7134000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 11850000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 4716000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 13039000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 3629000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 9005000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 2908000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 5376000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 2468000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4460000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 963000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 2821000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1014000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 1858000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 844000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1071000000 | USD | 20260224 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 72000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 72000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Refined Products And Crude Oil · Gatheringand Exchange Services Revenue
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
Operating Segments · Refined Products And Crude Oil · Liquids Commodity
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 492000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 843000000 | USD | 20240806 | Open filing evidence |
Operating Segments · Refined Products And Crude Oil · NG Land Condensate Sales
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:NGLandCondensateSalesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
Operating Segments · Refined Products And Crude Oil · Other
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 24000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 51000000 | USD | 20240806 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 72000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 72000000 | USD | 20231101 | Open filing evidence |
Operating Segments · Refined Products And Crude Oil · Transportationand Storage Revenue
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
Operating Segments · Wholly Owned Interstate Natural Gas Pipelines
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 449000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1075000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 626000000 | USD | 20260429 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 1846000000 | USD | 20260224 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 450000000 | USD | 20251029 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1319000000 | USD | 20251029 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 405000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 869000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 464000000 | USD | 20260429 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 822000000 | USD | 20260224 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 171000000 | USD | 20251029 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 519000000 | USD | 20251029 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 163000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 348000000 | USD | 20250805 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 185000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 623000000 | USD | 20260224 | Open filing evidence |
Exchange Services And Natural Gas Gathering And Processing Revenue · Natural Gas Gathering And Processing · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 269000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 520000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 290000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 554000000 | USD | 20260804 | Open filing evidence |
Exchange Services And Natural Gas Gathering And Processing Revenue · Natural Gas Liquids · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 107000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 199000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 93000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 196000000 | USD | 20260804 | Open filing evidence |
Exchange Services And Natural Gas Gathering And Processing Revenue · Refined Products And Crude Oil · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
Exchange Services And Natural Gas Gathering And Processing Revenue · Wholly Owned Interstate Natural Gas Pipelines · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
Gatheringand Exchange Services Revenue · Operating Segments · Natural Gas Gathering And Processing
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 36000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 109000000 | USD | 20231101 | Open filing evidence |
Gatheringand Exchange Services Revenue · Operating Segments · Natural Gas Liquids
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 150000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 414000000 | USD | 20231101 | Open filing evidence |
Gatheringand Exchange Services Revenue · Operating Segments · Natural Gas Pipelines
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
Gatheringand Exchange Services Revenue · Operating Segments · Refined Products And Crude Oil
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
Gatheringand Exchange Services Revenue · Natural Gas Liquids
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 133000000 | USD | 20230808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 264000000 | USD | 20230808 | Open filing evidence |
Gatheringand Exchange Services Revenue · Natural Gas Pipelines
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 0 | USD | 20230808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 0 | USD | 20230808 | Open filing evidence |
Gatheringand Exchange Services Revenue · Other And Eliminations
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:OtherAndEliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 0 | USD | 20230808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 0 | USD | 20230808 | Open filing evidence |
Gatheringand Exchange Services Revenue · Total Segments
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:TotalSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 168000000 | USD | 20230808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 337000000 | USD | 20230808 | Open filing evidence |
Liquids Commodity · Operating Segments · Natural Gas Gathering And Processing
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 623000000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2479000000 | USD | 20240227 | Open filing evidence |
Liquids Commodity · Operating Segments · Natural Gas Liquids
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 3264000000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 13666000000 | USD | 20240227 | Open filing evidence |
Liquids Commodity · Operating Segments · Natural Gas Pipelines
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 0 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 0 | USD | 20240227 | Open filing evidence |
Liquids Commodity · Operating Segments · Refined Products And Crude Oil
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 351000000 | USD | 20240501 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 502000000 | USD | 20240227 | Open filing evidence |
Liquids Commodity · Natural Gas Gathering And Processing · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1433000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2459000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1100000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2327000000 | USD | 20260804 | Open filing evidence |
Liquids Commodity · Natural Gas Liquids · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 4433000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 7914000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 3740000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 7852000000 | USD | 20260804 | Open filing evidence |
Liquids Commodity · Refined Products And Crude Oil · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 6485000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 10613000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 2316000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 4217000000 | USD | 20260804 | Open filing evidence |
Liquids Commodity · Wholly Owned Interstate Natural Gas Pipelines · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
Other · Operating Segments · Natural Gas Gathering And Processing
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:OtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 8000000 | USD | 20240501 | Open filing evidence |
Other · Operating Segments · Natural Gas Liquids
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:OtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 2000000 | USD | 20240501 | Open filing evidence |
Other · Operating Segments · Natural Gas Pipelines
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:OtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 0 | USD | 20240501 | Open filing evidence |
Other · Operating Segments · Refined Products And Crude Oil
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:OtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 27000000 | USD | 20240501 | Open filing evidence |
Other · Natural Gas Gathering And Processing · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:OtherMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 5000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 14000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 9000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 17000000 | USD | 20260804 | Open filing evidence |
Other · Natural Gas Liquids · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:OtherMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 3000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 6000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 4000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 6000000 | USD | 20260804 | Open filing evidence |
Other · Refined Products And Crude Oil · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:OtherMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 41000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 69000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 29000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 57000000 | USD | 20260804 | Open filing evidence |
Other · Wholly Owned Interstate Natural Gas Pipelines · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:OtherMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
Residue Natural Gas Sales · Operating Segments · Natural Gas Gathering And Processing
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 279000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1066000000 | USD | 20231101 | Open filing evidence |
Residue Natural Gas Sales · Operating Segments · Natural Gas Liquids
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
Residue Natural Gas Sales · Operating Segments · Natural Gas Pipelines
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 3000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 28000000 | USD | 20231101 | Open filing evidence |
Residue Natural Gas Sales · Operating Segments · Refined Products And Crude Oil
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20231101 | Open filing evidence |
Residue Natural Gas Sales · Natural Gas Gathering And Processing · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 171000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 882000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 449000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1147000000 | USD | 20260804 | Open filing evidence |
Residue Natural Gas Sales · Natural Gas Liquids · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
Residue Natural Gas Sales · Refined Products And Crude Oil · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
Residue Natural Gas Sales · Wholly Owned Interstate Natural Gas Pipelines · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 278000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 733000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 256000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 576000000 | USD | 20260804 | Open filing evidence |
Transportationand Storage Revenue · Operating Segments · Natural Gas Gathering And Processing
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 0 | USD | 20240501 | Open filing evidence |
Transportationand Storage Revenue · Operating Segments · Natural Gas Liquids
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 48000000 | USD | 20240501 | Open filing evidence |
Transportationand Storage Revenue · Operating Segments · Natural Gas Pipelines
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 163000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 320000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 157000000 | USD | 20240501 | Open filing evidence |
Transportationand Storage Revenue · Operating Segments · Refined Products And Crude Oil
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 498000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 964000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 466000000 | USD | 20240501 | Open filing evidence |
Transportationand Storage Revenue · Natural Gas Gathering And Processing · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 0 | USD | 20260804 | Open filing evidence |
Transportationand Storage Revenue · Natural Gas Liquids · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 50000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 120000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 34000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 85000000 | USD | 20260804 | Open filing evidence |
Transportationand Storage Revenue · Refined Products And Crude Oil · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 608000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1168000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 563000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1102000000 | USD | 20260804 | Open filing evidence |
Transportationand Storage Revenue · Wholly Owned Interstate Natural Gas Pipelines · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 170000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 341000000 | USD | 20260804 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 149000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 293000000 | USD | 20260804 | Open filing evidence |
Natural Gas Gathering And Processing · Natural Gas Gatheringand Processing Intersegment
Statement Business Segments · Intersegment Revenuesby Name
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;oke:IntersegmentRevenuesbyNameAxis=oke:NaturalGasGatheringandProcessingIntersegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1500000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2500000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1000000000 | USD | 20260429 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 600000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1300000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 700000000 | USD | 20260429 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 632000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 1300000000 | USD | 20240806 | Open filing evidence |
Natural Gas Gathering And Processing · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 2265000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 6140000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1841000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 5886000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 846000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 1856000000 | USD | 20240806 | Open filing evidence |
Natural Gas Gathering And Processing · Operating Segments · Gatheringand Exchange Services Revenue
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 31000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 66000000 | USD | 20240806 | Open filing evidence |
Natural Gas Gathering And Processing · Operating Segments · Liquids Commodity
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 641000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 1264000000 | USD | 20240806 | Open filing evidence |
Natural Gas Gathering And Processing · Operating Segments · Other
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 5000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 13000000 | USD | 20240806 | Open filing evidence |
Natural Gas Gathering And Processing · Operating Segments · Residue Natural Gas Sales
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 169000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 513000000 | USD | 20240806 | Open filing evidence |
Natural Gas Gathering And Processing · Exchange Services And Natural Gas Gathering And Processing Revenue · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 253000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 773000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 298000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 852000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Natural Gas Gathering And Processing · Liquids Commodity · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 1483000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 3942000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1066000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3393000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Natural Gas Gathering And Processing · Other · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ProductOrServiceAxis=oke:OtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 8000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 22000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 9000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 26000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Natural Gas Gathering And Processing · Residue Natural Gas Sales · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 521000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 1403000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 468000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1615000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Natural Gas Gathering And Processing · Transportationand Storage Revenue · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasGatheringAndProcessingMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
Natural Gas Liquids · Natural Gas Gatheringand Processing Intersegment
Statement Business Segments · Intersegment Revenuesby Name
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;oke:IntersegmentRevenuesbyNameAxis=oke:NaturalGasGatheringandProcessingIntersegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 400000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 700000000 | USD | 20260804 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 300000000 | USD | 20260429 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 400000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1000000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 500000000 | USD | 20260429 | Open filing evidence |
Natural Gas Liquids · Refined Products And Crude Oil
Statement Business Segments · Intersegment Revenuesby Name
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;oke:IntersegmentRevenuesbyNameAxis=oke:RefinedProductsAndCrudeOilMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-04-01 – 2025-06-30 | 100000000 | USD | 20260804 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 200000000 | USD | 20260804 | Open filing evidence |
Natural Gas Liquids · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 5097000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 13336000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 3895000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 12034000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 3530000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 6966000000 | USD | 20240806 | Open filing evidence |
Natural Gas Liquids · Operating Segments · Gatheringand Exchange Services Revenue
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:GatheringandExchangeServicesRevenueMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 139000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 261000000 | USD | 20240806 | Open filing evidence |
Natural Gas Liquids · Operating Segments · Liquids Commodity
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 3344000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 6608000000 | USD | 20240806 | Open filing evidence |
Natural Gas Liquids · Operating Segments · Other
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 4000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 6000000 | USD | 20240806 | Open filing evidence |
Natural Gas Liquids · Operating Segments · Residue Natural Gas Sales
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20240806 | Open filing evidence |
Natural Gas Liquids · Exchange Services And Natural Gas Gathering And Processing Revenue · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 120000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 319000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 111000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 307000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Natural Gas Liquids · Liquids Commodity · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 4920000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 12834000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 3746000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 11598000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Natural Gas Liquids · Other · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:OtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 3000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 9000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 2000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 8000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Natural Gas Liquids · Residue Natural Gas Sales · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Natural Gas Liquids · Transportationand Storage Revenue · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasLiquidsMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 54000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 174000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 36000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 121000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 43000000 | USD | 20240806 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 91000000 | USD | 20240806 | Open filing evidence |
Natural Gas Pipelines · Natural Gas Pipelines Regulated
Statement Business Segments · Regulated Segment By Name
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:NaturalGasPipelinesMember;oke:RegulatedSegmentByNameAxis=oke:NaturalGasPipelinesRegulatedMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 107000000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 326000000 | USD | 20231101 | Open filing evidence |
Refined Products And Crude Oil · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 6645000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 18495000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 3629000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 9005000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Refined Products And Crude Oil · Exchange Services And Natural Gas Gathering And Processing Revenue · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Refined Products And Crude Oil · Liquids Commodity · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 5974000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 16587000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 3010000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 7227000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Refined Products And Crude Oil · Other · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:OtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 60000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 129000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 29000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 86000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Refined Products And Crude Oil · Residue Natural Gas Sales · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Refined Products And Crude Oil · Transportationand Storage Revenue · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:RefinedProductsAndCrudeOilMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 611000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 1779000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 590000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1692000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Wholly Owned Interstate Natural Gas Pipelines · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 508000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 1583000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 450000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1319000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Wholly Owned Interstate Natural Gas Pipelines · Exchange Services And Natural Gas Gathering And Processing Revenue · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:ExchangeServicesAndNaturalGasGatheringAndProcessingRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Wholly Owned Interstate Natural Gas Pipelines · Liquids Commodity · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:LiquidsCommodityMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Wholly Owned Interstate Natural Gas Pipelines · Other · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:OtherMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 1000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 0 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Wholly Owned Interstate Natural Gas Pipelines · Residue Natural Gas Sales · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:ResidueNaturalGasSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 337000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 1070000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 296000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 872000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
Wholly Owned Interstate Natural Gas Pipelines · Transportationand Storage Revenue · Operating Segments
Statement Business Segments · Product Or Service · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=oke:WhollyOwnedInterstateNaturalGasPipelinesMember;srt:ProductOrServiceAxis=oke:TransportationandStorageRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-07-01 – 2026-09-30 | 171000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2026-01-01 – 2026-09-30 | 512000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 154000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 447000000 | USD | 2026-10-28 · 20:16:48.000Z | Open filing evidence |