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v3.25.3

Price Risk Management Activities, Hedging Instruments by Consolidated Balance Sheet Location (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Derivatives Designated as Hedging Instruments [Member] | Commodity Contracts [Member] | Receivable, Net [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, subject to netting | $ 8 | $ 12
Derivative liability, subject to netting | 8 | 13
Derivatives Not Designated as Hedging Instruments [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, total | 329 | 398
Derivative liability, total | 340 | 438
Derivatives Not Designated as Hedging Instruments [Member] | Commodity Contracts [Member] | Receivable, Net [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, subject to netting | 325 | 390
Derivative liability, subject to netting | 333 | 435
Derivatives Not Designated as Hedging Instruments [Member] | Physical Purchase Contracts [Member] | Inventories [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, not subject to netting | 0 | 2
Derivative liability, not subject to netting | 7 | 3
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Receivable, Net [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, not subject to netting | 4 | 6
Derivative liability, not subject to netting | $ 0 | $ 0

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