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Derivatives and Risk Management Activities - Fair Value (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Rollforward of Level 3 Net Asset/(Liability) |  |
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other income/(expense), net | Other income/(expense), net
Level 3 |  |
Rollforward of Level 3 Net Asset/(Liability) |  |
Beginning Balance | $ (2) | $ (29)
Net gains/(losses) for the period included in earnings | (189) | 15
Settlements | 2 | 12
Ending Balance | (189) | (2)
Change in unrealized gains/(losses) included in earnings relating to Level 3 derivatives still held at the end of the period | $ (189) | $ 15
Level 3 | Sales |  |
Rollforward of Level 3 Net Asset/(Liability) |  |
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Total revenues | Total revenues
Recurring Fair Value Measures |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | $ 153 | $ (78)
Recurring Fair Value Measures | Commodity Derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 222 | (143)
Recurring Fair Value Measures | Interest Rate Derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 120 | 65
Recurring Fair Value Measures | Preferred Distribution Rate Reset Option |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | (189) |
Recurring Fair Value Measures | Level 1 |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | (7) | (17)
Recurring Fair Value Measures | Level 1 | Commodity Derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | (7) | (17)
Recurring Fair Value Measures | Level 1 | Interest Rate Derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 0 | 0
Recurring Fair Value Measures | Level 1 | Preferred Distribution Rate Reset Option |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 0 | 0
Recurring Fair Value Measures | Level 2 |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 349 | (59)
Recurring Fair Value Measures | Level 2 | Commodity Derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 229 | (124)
Recurring Fair Value Measures | Level 2 | Interest Rate Derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 120 | 65
Recurring Fair Value Measures | Level 2 | Preferred Distribution Rate Reset Option |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 0 | 0
Recurring Fair Value Measures | Level 3 |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | (189) | (2)
Recurring Fair Value Measures | Level 3 | Commodity Derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) |  | (2)
Recurring Fair Value Measures | Level 3 | Interest Rate Derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 0 | $ 0
Recurring Fair Value Measures | Level 3 | Preferred Distribution Rate Reset Option |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | $ (189) |

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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
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- Definition Amount of unrealized gain (loss) recognized in income for derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258 + Details
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- Definition Amount of settlements of financial instrument classified as a derivative asset (liability) after deduction of derivative liability, measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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