Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Interest Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Accounting Policies [Abstract]
Interest expense	$ (344)	$ (432)	$ (1,081)	$ (1,147)
Interest income	11	10	31	29
Interest expense, net	$ (333)	$ (422)	$ (1,050)	$ (1,118)

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

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+ Details