Derivative Financial instruments and Risk Management- Schedule of Gains (Losses) on Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	$ 176	$ (50)	$ 252	$ (100)
Gains (Losses) Recognized in AOCI	49	152	(107)	228
Gains (Losses) Reclassified from AOCI	(34)	72	(137)	73
Designated derivatives \| Cash Flow Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	41	139	(133)	217
Gains (Losses) Reclassified from AOCI	(32)	72	(133)	72
Designated derivatives \| Cash Flow Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	13	15	34	13
Gains (Losses) Reclassified from AOCI	2	1	3	2
Designated derivatives \| Fair Value Hedges \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (Losses) Recognized in AOCI	(5)	(2)	(8)	(2)
Gains (Losses) Reclassified from AOCI	(4)	(1)	(7)	(1)
Designated derivatives \| Fair Value Hedges \| Interest rate contracts
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	(3)	(20)	(6)	(38)
Undesignated derivatives \| Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	38	(83)	56	(97)
Undesignated derivatives \| Commodity contracts
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	(4)	(3)	38	5
Undesignated derivatives \| Total return swap contracts
Derivative Instruments, Gain (Loss)
Gains (losses) recognized in the consolidated statement of results of operations	$ 145	$ 56	$ 164	$ 30

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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