Derivatives and Hedging Instruments - Schedule of Notional Amounts and Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	$ 11,216	$ 10,283
Assets	115	255
Liabilities	140	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	421	1,224
Assets	16	14
Liabilities	10	8
Net investment hedges: \| Foreign currency forward contracts \| Cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	1,563	1,577
Assets	21	1
Liabilities	26	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	21	32
Net investment hedges: \| Cross-currency interest rate swaps \| Cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	3,603	2,972
Assets	2	65
Liabilities	40	58
Net investment hedges: \| Interest rate locks \| Cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	514	0
Assets	0	0
Liabilities	6	0
Non-designated hedges: \| Foreign currency forward contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	3,973	2,134
Assets	69	2
Liabilities	33	31
Non-designated hedges: \| Cross-currency interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Amount	792	2,003
Assets	7	166
Liabilities	$ 4	$ 28