Derivatives and Hedging Instruments - Schedule of Impact on Earnings (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net investment hedges	$ 55	$ (29)
Net investment hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net investment hedges	4	7
Cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash flow hedges	29	(9)
Non-designated hedges:
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Non designated hedges	(3)	(42)
Foreign currency forward contracts (excluded component) | Net investment hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net investment hedges	3	2
Foreign currency forward contracts (excluded component) | Non-designated hedges: | Revenues
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Non designated hedges	(1)	0
Foreign currency forward contracts (excluded component) | Non-designated hedges: | Other income (expense)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Non designated hedges	(4)	(44)
Foreign Exchange Forward | Cash flow hedges | Revenues
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash flow hedges	(28)	18
Foreign Exchange Forward | Cash flow hedges | Costs and operating expenses
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash flow hedges	14	(9)
Cross currency swaps | Net investment hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net investment hedges	1	5
Cross currency swaps | Cash flow hedges | Interest expense
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash flow hedges	5	4
Cross currency swaps | Cash flow hedges | Other income (expense)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash flow hedges	37	(22)
Interest rate locks | Cash flow hedges | Interest expense
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash flow hedges	1	0
Cross-currency interest rate swaps | Non-designated hedges: | Other income (expense)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Non designated hedges	$ 2	$ 2