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Derivatives and Risk Management Activities - Fair Value (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2024
Level 3 |  |
Rollforward of Level 3 Net Asset/(Liability) |  |
Beginning Balance | $ (189) |
Gain for the period included in earnings | $ 58 |
Net gains/(losses) for the period included in earnings [Extensible Enumeration] | Revenues |
Settlements | $ 131 |
Ending Balance | 0 |
Change in unrealized gains/(losses) included in earnings relating to Level 3 derivatives still held at the end of the period | $ 0 |
Change in unrealized gains/(losses) included in earnings relating to Level 3 derivatives still held at the end of the period [Extensible Enumeration] | Other income/(expense), net |
Recurring Fair Value Measures |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | $ 55 | $ (49)
Recurring Fair Value Measures | Commodity derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) |  | (76)
Recurring Fair Value Measures | Interest rate derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 55 | 27
Recurring Fair Value Measures | Level 1 |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 9 | 14
Recurring Fair Value Measures | Level 1 | Commodity derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 9 | 14
Recurring Fair Value Measures | Level 2 |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | 46 | (63)
Recurring Fair Value Measures | Level 2 | Commodity derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | (9) | (90)
Recurring Fair Value Measures | Level 2 | Interest rate derivatives |  |
Recurring Fair Value Measurements |  |
Total net derivative asset/(liability) | $ 55 | $ 27

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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 -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + 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://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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