Financial Instruments - Schedule of Long-term Debt Instruments (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Euro-denominated debt instruments gain (loss)
Derivative Instruments, Gain (Loss) [Line Items]
Debt instruments gain (loss)	$ 5	$ 5	$ 76	$ (244)
Cross-currency swaps gain (loss)
Derivative Instruments, Gain (Loss) [Line Items]
Debt instruments gain (loss)	$ 14	$ 14	$ 38	$ (115)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details