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Price Risk Management Activities, Hedging Instruments by Consolidated Balance Sheet Location (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Derivatives Designated as Hedging Instruments [Member] | Commodity Contracts [Member] | Receivable, Net [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, fair value, gross asset | $ 94 | $ 3
Derivative asset, fair value, gross liability | 220 | 26
Derivatives Not Designated as Hedging Instruments [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, fair value, gross asset | 1,793 | 524
Derivative liability, fair value, gross liability | 2,212 | 461
Derivatives Not Designated as Hedging Instruments [Member] | Commodity Contracts [Member] | Receivable, Net [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, fair value, gross asset | 1,721 | 519
Derivative asset, fair value, gross liability | 2,203 | 446
Derivatives Not Designated as Hedging Instruments [Member] | Physical Purchase Contracts [Member] | Inventories [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, fair value, gross asset | 24 | 4
Derivative asset, fair value, gross liability | 2 | 5
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Receivable, Net [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative asset, fair value, gross asset | 48 | 1
Derivative asset, fair value, gross liability | 0 | 0
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Accrued Expenses [Member] |  |
Fair Values of Derivative Instruments |  |
Derivative liability, fair value, gross asset | 0 | 0
Derivative liability, fair value, gross liability | $ 7 | $ 10

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