Discontinued Operations (Details) - Speedway - Discontinued Operations, Disposed of by Sale $ in Millions	May 14, 2021 USD ($)
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
Gain on disposal of discontinued operation, net of tax , statement of income or comprehensive income [Extensible Enumeration]	Income from discontinued operations, net of tax

Proceeds From Divestiture Of Businesses, Net of Tax

No definition available.

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- Definition

Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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- Definition

Indicates line item in statement of income or comprehensive income that includes gain (loss) from disposal of discontinued operation.

+ References

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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.

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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