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Derivatives and Risk Management Activities - Fair Value (Details) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2024 | Dec. 31, 2023
Recurring Fair Value Measurements |  |  |
Gain on embedded derivative, net | $ 58 |  |
Recurring Fair Value Measures |  |  |
Recurring Fair Value Measurements |  |  |
Total net derivative asset/(liability) |  | $ (153) | $ 55
Level 1 | Recurring Fair Value Measures |  |  |
Recurring Fair Value Measurements |  |  |
Total net derivative asset/(liability) |  | (7) | 9
Level 2 | Recurring Fair Value Measures |  |  |
Recurring Fair Value Measurements |  |  |
Total net derivative asset/(liability) |  | (146) | 46
Level 3 |  |  |
Rollforward of Level 3 Net Asset/(Liability) |  |  |
Beginning Balance | (189) |  |
Net gains/(losses) for the period included in earnings | 58 |  |
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 |  |
Commodity derivatives | Recurring Fair Value Measures |  |  |
Recurring Fair Value Measurements |  |  |
Total net derivative asset/(liability) |  | (169) |
Commodity derivatives | Level 1 | Recurring Fair Value Measures |  |  |
Recurring Fair Value Measurements |  |  |
Total net derivative asset/(liability) |  | (7) | 9
Commodity derivatives | Level 2 | Recurring Fair Value Measures |  |  |
Recurring Fair Value Measurements |  |  |
Total net derivative asset/(liability) |  | (162) | (9)
Interest rate derivatives | Recurring Fair Value Measures |  |  |
Recurring Fair Value Measurements |  |  |
Total net derivative asset/(liability) |  | 16 | 55
Interest rate derivatives | Level 2 | Recurring Fair Value Measures |  |  |
Recurring Fair Value Measurements |  |  |
Total net derivative asset/(liability) |  | $ 16 | $ 55
Preferred Distribution Rate Reset Option | Derivatives Not Designated as a Hedge | Other Income/(Expense), Net |  |  |
Recurring Fair Value Measurements |  |  |
Gain on embedded derivative, net | $ 58 |  |

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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 -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 + Details
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- Definition Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 15 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/815-15/tableOfContent + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + 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 -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 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 -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)(1) -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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