Derivatives - Schedule of Pretax Effects of Derivative Financial Instruments Designated or Previously Designated as Effective Hedges (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	$ 92	$ 128	$ 8	$ 229
Reclassified from AOCL to Income	(5)	7	3	10
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	0	0	0	0
Reclassified from AOCL to Income	(2)	(2)	(4)	(5)
Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	6	20	(8)	39
Reclassified from AOCL to Income	(3)	9	7	15
Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	86	108	16	190
Reclassified from AOCL to Income	$ 0	$ 0	$ 0	$ 0