Related-Party Transactions (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Investments in unconsolidated affiliates	$ 1,335	$ 124
Equity in earnings of unconsolidated affiliates	60	5	$ 4
Sales Revenue From Wholesale Fuel Sales To Affiliates	28	42	52
Bulk Fuel Purchases From Affiliates	1,463	1,661	2,188
Reimbursement from Limited Partnership Investment	35	34	33
J.C. Nolan Joint Venture
Related Party Transaction [Line Items]
Investments in unconsolidated affiliates	123	124
Equity in earnings of unconsolidated affiliates	7	$ 5	$ 4
Permian joint venture
Related Party Transaction [Line Items]
Investments in unconsolidated affiliates	1,210
Equity in earnings of unconsolidated affiliates	$ 53

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