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Fair Value of Financial Instruments - Carrying Amounts (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value Inputs, Level 2 | Carrying Amount |  |
Fair value disclosure |  |
Long-term debt, excluding finance lease and other obligations | $ 17,439 | $ 17,652
Fair Value Inputs, Level 2 | Fair Value |  |
Fair value disclosure |  |
Long-term debt, excluding finance lease and other obligations | 17,220 | 17,127
Fair Value, Inputs, Level 3 | Carrying Amount |  |
Fair value disclosure |  |
Indemnifications related to the sale of the Latin American business | 86 | 87
Fair Value, Inputs, Level 3 | Fair Value |  |
Fair value disclosure |  |
Indemnifications related to the sale of the Latin American business | $ 82 | $ 84

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