Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating lease right-of-use assets	$ 1,194	$ 1,082
Accounts payable and other current liabilities	299	322
Operating lease liabilities	727	554
Total operating lease liabilities	1,026	876
Property and equipment	336	346
Accumulated depreciation	(215)	(212)
Property and equipment, net	121	134
Long-term debt due within one year	22	22
Long-term debt	50	72
Total finance lease liabilities	$ 72	$ 94