Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Level 2 | Carrying Amount
Liabilities measured on a recurring basis
Liabilities-Long-term debt, excluding finance leases and other obligations	$ 9,436	$ 8,724
Level 2 | Fair Value
Liabilities measured on a recurring basis
Liabilities-Long-term debt, excluding finance leases and other obligations	9,716	6,418
Level 3 | Carrying Amount
Liabilities measured on a recurring basis
Indemnifications related to the sale of the Latin American business(1)	87	86
Level 3 | Fair Value
Liabilities measured on a recurring basis
Indemnifications related to the sale of the Latin American business(1)	$ 84	$ 86