Derivative Financial Instruments and Risk Management - Schedule of Gains (Losses) on Derivatives Instruments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Hedged Instruments	$ (199)	$ 91	$ (114)
Gains (Losses) Recognized in AOCI	34	266	(13)
Gains (Losses) Reclassified from AOCI	79	254	(10)
Designated derivatives | Cash Flow Hedges | Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Hedged Instruments	0	0	0
Gains (Losses) Recognized in AOCI, Cash Flow Hedges	43	255	(22)
Gains (Losses) Reclassified from AOCI, Cash Flow Hedges	81	213	(68)
Designated derivatives | Cash Flow Hedges | Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Hedged Instruments	0	0	0
Gains (Losses) Recognized in AOCI, Cash Flow Hedges	0	11	9
Gains (Losses) Reclassified from AOCI, Cash Flow Hedges	6	41	58
Designated derivatives | Fair Value Hedges | Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Hedged Instruments	0	0	0
Gains (Losses) Recognized in AOCI, Fair Value Hedges	(9)	0	0
Gains (Losses) Reclassified from AOCI, Fair Value Hedges	$ (8)	$ 0	$ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other income (expense)	Other income (expense)	Other income (expense)
Designated derivatives | Fair Value Hedges | Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Hedged Instruments	$ (26)	$ (76)	$ (75)
Gains (Losses) Recognized in AOCI, Fair Value Hedges	0	0	0
Gains (Losses) Reclassified from AOCI, Fair Value Hedges	$ 0	$ 0	$ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest	Interest	Interest
Undesignated derivatives | Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized on Hedged Instruments	$ (173)	$ 167	$ (39)