Fair Value of Financial Instruments - Carrying Amount and Fair Value of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Level 2 | Carrying Amount
Fair value disclosure
Long-term debt, excluding finance lease and other obligations	$ 17,652	$ 19,703
Level 2 | Fair Value
Fair value disclosure
Long-term debt, excluding finance lease and other obligations	17,127	13,304
Level 3 | Carrying Amount
Fair value disclosure
Indemnifications related to the sale of the Latin American business	87	86
Level 3 | Fair Value
Fair value disclosure
Indemnifications related to the sale of the Latin American business	$ 84	$ 86