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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	$ 128	$ 36	$ 229	$ 64
Reclassified from AOCL to Income	7	(8)	10	(19)
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	0	0	0	0
Reclassified from AOCL to Income	(2)	(1)	(5)	(4)
Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	20	11	39	11
Reclassified from AOCL to Income	9	(7)	15	(15)
Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	108	25	190	53
Reclassified from AOCL to Income	$ 0	$ 0	$ 0	$ 0