Fair Value of Financial Instruments (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Level 2 | Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Long-term debt, excluding finance leases and other obligations	$ 9,580	$ 9,436
Level 2 | Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Long-term debt, excluding finance leases and other obligations	9,965	9,716
Level 3 | Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Indemnifications related to the sale of the Latin American business	87	87
Level 3 | Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Indemnifications related to the sale of the Latin American business	$ 84	$ 84