Derivative Financial instruments and Risk Management- Schedule of Gains (Losses) on Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	$ 20	$ 62	$ 272	$ (38)
Gains (Losses) Recognized in AOCI	18	(47)	(89)	181
Gains (Losses) Reclassified from AOCI	5	(19)	(132)	54
Designated derivatives \| Cash Flow Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(7)	(46)	(140)	171
Gains (Losses) Reclassified from AOCI	8	(17)	(125)	55
Designated derivatives \| Cash Flow Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	30	2	64	15
Gains (Losses) Reclassified from AOCI	3	2	6	4
Designated derivatives \| Fair Value Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(5)	(3)	(13)	(5)
Gains (Losses) Reclassified from AOCI	(6)	(4)	(13)	(5)
Designated derivatives \| Fair Value Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	(4)	(20)	(10)	(58)
Undesignated derivatives \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	32	18	88	(79)
Undesignated derivatives \| Commodity contracts
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	61	11	99	16
Undesignated derivatives \| Total return swap contracts
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	$ (69)	$ 53	$ 95	$ 83

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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