Financial Instruments and Fair Value Measures - Summary of Financial Assets and Liabilities Accounted for at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	$ 2,467	$ 1,374
Designated as hedging \| Interest rate swaps
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts		625
Fair value measurements recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	4,802	3,774
Fair value, assets	59	17
Fair value, liabilities	131	196
Fair value measurements recurring \| Designated as hedging
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	3,566	3,037
Fair value, assets	36	15
Fair value, liabilities	124	193
Fair value measurements recurring \| Designated as hedging \| Forward currency exchange contracts
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	1,231	637
Fair value, assets	28	15
Fair value, liabilities	15	8
Fair value measurements recurring \| Designated as hedging \| Designated cross-currency swaps
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	1,775	1,775
Fair value, assets	0	0
Fair value, liabilities	109	169
Fair value measurements recurring \| Designated as hedging \| Interest rate swaps
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	560	625
Fair value, assets	8	0
Fair value, liabilities	0	16
Fair value measurements recurring \| Undesignated as hedging
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	1,236	737
Fair value, assets	23	2
Fair value, liabilities	7	3
Fair value measurements recurring \| Undesignated as hedging \| Forward currency exchange contracts
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	1,236	737
Fair value, assets	23	2
Fair value, liabilities	$ 7	$ 3