| Disaggregation of Revenue [Table Text Block] |
The following table presents our revenue disaggregated by major service line: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Regulated Interstate Transportation & Storage | | Gulf of Mexico Midstream & Storage | | Northeast Midstream | | West Midstream | | Gas & NGL Marketing Services | | Other | | Eliminations | | Total | | (Millions) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2024 | | | | Revenues from contracts with customers: | | | | | | | | | | | | | | | | | Service revenues: | | | | | | | | | | | | | | | | | Regulated interstate natural gas transportation and storage | $ | 880 | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | (21) | | | $ | 859 | | | Gathering, processing, transportation, fractionation, and storage: | | | | | | | | | | | | | | | | | Monetary consideration | — | | | 145 | | | 444 | | | 430 | | | — | | | — | | | (38) | | | 981 | | | Commodity consideration | — | | | 9 | | | 5 | | | 16 | | | — | | | — | | | — | | | 30 | | | Other | 4 | | | 9 | | | 24 | | | 6 | | | — | | | — | | | (5) | | | 38 | | | Total service revenues | 884 | | | 163 | | | 473 | | | 452 | | | — | | | — | | | (64) | | | 1,908 | | | Product sales | 25 | | | 37 | | | 25 | | | 248 | | | 1,306 | | | 108 | | | (318) | | | 1,431 | | | Total revenues from contracts with customers | 909 | | | 200 | | | 498 | | | 700 | | | 1,306 | | | 108 | | | (382) | | | 3,339 | | | Other revenues (1) | 8 | | | 3 | | | 11 | | | 1 | | | 833 | | | 12 | | | — | | | 868 | | | Other adjustments (2) | — | | | — | | | — | | | — | | | (1,569) | | | — | | | 133 | | | (1,436) | | | Total revenues | $ | 917 | | | $ | 203 | | | $ | 509 | | | $ | 701 | | | $ | 570 | | | $ | 120 | | | $ | (249) | | | $ | 2,771 | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2023 | | | | Revenues from contracts with customers: | | | | | | | | | | | | | | | | | Service revenues: | | | | | | | | | | | | | | | | | Regulated interstate natural gas transportation and storage | $ | 813 | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | (11) | | | $ | 802 | | | Gathering, processing, transportation, fractionation, and storage: | | | | | | | | | | | | | | | | Monetary consideration (3) | — | | | 104 | | | 422 | | | 351 | | | — | | | — | | | (44) | | | 833 | | | Commodity consideration | — | | | 12 | | | 6 | | | 18 | | | — | | | — | | | — | | | 36 | | Other (3) | 4 | | | 2 | | | 25 | | | 2 | | | 1 | | | — | | | (4) | | | 30 | | | Total service revenues | 817 | | | 118 | | | 453 | | | 371 | | | 1 | | | — | | | (59) | | | 1,701 | | | Product sales | 22 | | | 36 | | | 49 | | | 90 | | | 1,373 | | | 102 | | | (254) | | | 1,418 | | | Total revenues from contracts with customers | 839 | | | 154 | | | 502 | | | 461 | | | 1,374 | | | 102 | | | (313) | | | 3,119 | | | Other revenues (1) | 13 | | | 4 | | | 7 | | | 42 | | | 1,916 | | | 15 | | | — | | | 1,997 | | | Other adjustments (2) | — | | | — | | | — | | | — | | | (2,159) | | | — | | | 124 | | | (2,035) | | | Total revenues | $ | 852 | | | $ | 158 | | | $ | 509 | | | $ | 503 | | | $ | 1,131 | | | $ | 117 | | | $ | (189) | | | $ | 3,081 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
______________________________ (1)Revenues not derived from contracts with customers primarily consist of physical product sales related to commodity derivative contracts, realized and unrealized gains and losses associated with our commodity derivative contracts, which are reported in Net gain (loss) from commodity derivatives in our Consolidated Statement of Income, management fees that we receive for certain services we provide to operated equity-method investments, and leasing revenues associated with our headquarters building. (2)Other adjustments reflect certain costs of Gas & NGL Marketing Services’ risk management activities. As we are acting as agent for natural gas marketing customers or engage in energy trading activities, the resulting revenues are presented net of the related costs of those activities in our Consolidated Statement of Income. (3)Certain contractual reimbursements of operating and maintenance costs totaling $42 million for the three months ended March 31, 2023, previously included in Other are now presented in Monetary consideration to conform to the current presentation.
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| Contract with Customer, Asset and Liability [Table Text Block] |
Contract Assets The following table presents a reconciliation of our contract assets: | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, | | | | | | 2024 | | 2023 | | | | (Millions) | | Balance at beginning of period | | | | | $ | 36 | | | $ | 29 | | | Revenue recognized in excess of amounts invoiced | | | | | 41 | | | 43 | | | Minimum volume commitments invoiced | | | | | (27) | | | (30) | | | Balance at end of period | | | | | $ | 50 | | | $ | 42 | |
Contract Liabilities The following table presents a reconciliation of our contract liabilities: | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, | | | | | | 2024 | | 2023 | | | | (Millions) | | Balance at beginning of period | | | | | $ | 1,081 | | | $ | 1,043 | | | Payments received and deferred | | | | | 42 | | | 29 | | | Significant financing component | | | | | 2 | | | 2 | | | Contract liability acquired (disposed) – net | | | | | — | | | 5 | | | Recognized in revenue | | | | | (72) | | | (69) | | | Balance at end of period | | | | | $ | 1,053 | | | $ | 1,010 | |
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| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] |
The following table presents the amount of the contract liabilities balance expected to be recognized as revenue when performance obligations are satisfied and the transaction price allocated to the remaining performance obligations under certain contracts as of March 31, 2024. | | | | | | | | | | | | | Contract Liabilities | | Remaining Performance Obligations | | (Millions) | 2024 (nine months) | $ | 116 | | | $ | 2,845 | | 2025 (one year) | 148 | | | 3,530 | | 2026 (one year) | 139 | | | 3,329 | | 2027 (one year) | 127 | | | 2,776 | | 2028 (one year) | 112 | | | 2,380 | | Thereafter | 411 | | | 13,624 | | | Total | $ | 1,053 | | | $ | 28,484 | |
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| Contract With Customer Accounts Receivable |
The following is a summary of our Trade accounts and other receivables: | | | | | | | | | | | | | March 31, 2024 | | December 31, 2023 | | (Millions) | | Accounts receivable related to revenues from contracts with customers | $ | 1,156 | | | $ | 1,292 | | | Receivables from derivatives | 163 | | | 311 | | | Other accounts receivable | 36 | | | 52 | | Trade accounts and other receivables | $ | 1,355 | | | $ | 1,655 | |
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