Financial Instruments and Fair Value Measures - Summary of Financial Assets and Liabilities Accounted for at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	$ 2,222	$ 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	4,557	3,774
Fair value, assets	48	17
Fair value, liabilities	142	196
Fair value measurements recurring \| Designated as hedging
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	3,423	3,037
Fair value, assets	29	15
Fair value, liabilities	138	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	1,088	637
Fair value, assets	29	15
Fair value, liabilities	14	8
Fair value measurements recurring \| Designated as hedging \| Cross-currency interest rate 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	120	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	0	0
Fair value, liabilities	4	16
Fair value measurements recurring \| Undesignated as hedging
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional Amounts	1,134	737
Fair value, assets	19	2
Fair value, liabilities	4	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	1,134	737
Fair value, assets	19	2
Fair value, liabilities	$ 4	$ 3