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Discontinued Operations (Details) - Speedway - Discontinued Operations, Disposed of by Sale $ in Millions | May 14, 2021 USD ($)
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Cash proceeds from sale of Speedway | $ 21,380
Proceeds from the sale of Speedway, net of tax | 17,220
Gain from disposal of discontinued operation, before income tax | 11,680
Gain on disposal of discontinued operation, net of tax | $ 8,020

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