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Related-Party Transactions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Investments in unconsolidated affiliates	$ 124	$ 129
Equity in earnings of unconsolidated affiliates	5	4	$ 4
Sales Revenue From Wholesale Fuel Sales To Affiliates	42	52	25
Bulk Fuel Purchases From Affiliates	$ 1,661	$ 2,188	$ 1,705

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- Definition

Fuel purchases from affiliates

+ References

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Revenue from the wholesale sale and distribution of motor fuel to affiliates.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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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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