Derivatives - Schedule of Pretax Effects of Derivative Financial Instruments Designated or Previously Designated as Effective Hedges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	$ 98	$ (11)	$ 101	$ 28
Reclassified from AOCL to Income	4	(7)	3	(11)
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	0	0	0	0
Reclassified from AOCL to Income	(1)	(1)	(3)	(3)
Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	20	(3)	19	0
Reclassified from AOCL to Income	5	(6)	6	(8)
Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Recognized in OCI (effective portion)	78	(8)	82	28
Reclassified from AOCL to Income	$ 0	$ 0	$ 0	$ 0