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Commitments and Contingencies - RFS (Details) - Petroleum Segment - Environmental, Health, and Safety Matters - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Loss Contingencies [Line Items] |  |  |  |  |
Expense (benefit) for compliance with RFS | $ 153 | $ 173 | $ 259 | $ 351 |
RFS obligation | $ 708 |  | $ 708 |  | $ 494

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- Definition Expense (Benefit) for Compliance with Renewable Fuel Standard + References No definition available. + Details
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- Definition Renewable Fuel Standards Obligation, Current + References No definition available. + 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 No definition available. + Details
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- Details
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- Details
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