Derivatives and Hedging Instruments - Schedule of Notional Amounts and Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	$ 14,235	$ 10,283
Assets	189	255
Liabilities	148	229
Net investment hedges: \| Net investment hedges:
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	0	923
Net investment hedges: \| Foreign currency forward contracts \| Net investment hedges:
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	420	1,224
Assets	17	14
Liabilities	11	8
Net investment hedges: \| Foreign currency forward contracts \| Cash flow hedges:
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	1,556	1,577
Assets	28	1
Liabilities	15	72
Net investment hedges: \| Cross-currency interest rate swaps \| Net investment hedges:
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	350	373
Assets	0	7
Liabilities	10	32
Net investment hedges: \| Cross-currency interest rate swaps \| Cash flow hedges:
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	5,625	2,972
Assets	19	65
Liabilities	65	58
Net investment hedges: \| Interest rate locks \| Cash flow hedges:
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	510	0
Assets	26	0
Liabilities	0	0
Non-designated hedges: \| Foreign currency forward contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	4,982	2,134
Assets	89	2
Liabilities	40	31
Non-designated hedges: \| Cross-currency interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	792	2,003
Assets	10	166
Liabilities	$ 7	$ 28