Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (675)	$ (812)	$ (802)	$ (673)
Ending balance	(618)	(813)	(618)	(813)
Foreign Exchange Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(72)	(115)	(110)	(27)
Other comprehensive (loss) income before reclassifications	8	3	46	(85)
Tax effect	0	0	0	0
Ending balance	(64)	(112)	(64)	(112)
Changes in Fair Value of Effective Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	7	9	(6)	(10)
Other comprehensive (loss) income before reclassifications	19	5	62	51
Tax effect	(1)	0	(6)	33
Ending balance	18	14	18	14
Changes in Fair Value of Effective Cash Flow Hedges \| Forward currency exchange contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI	(5)	1	(13)	1
Changes in Fair Value of Effective Cash Flow Hedges \| Cross currency and interest rate contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI	0	0	0	4
Changes in Fair Value of Effective Cash Flow Hedges \| Cross-currency swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI	(2)	(1)	(19)	(65)
Changes in Fair Value of Net Investment Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	27	(38)	(6)	125
Other comprehensive (loss) income before reclassifications	10	6	52	(171)
Tax effect	(2)	(1)	(11)	13
Ending balance	35	(33)	35	(33)
Pension Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Ending balance	(16)	(15)	(16)	(15)
Accumulated Other Comprehensive (Loss) / Income
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(54)	(159)	(138)	73
Ending balance	$ (27)	$ (146)	$ (27)	$ (146)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent.

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