Derivatives - Cash Flow Hedges - Gain (Loss) in OCI or Reclassified from AOCI (Details) - Cash flow hedge - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Derivatives in Cash Flow Hedging Relationships
Pretax Gain (Loss) Recognized in Other Comprehensive Income on Derivative	$ 173	$ 44	$ 307	$ 84
Foreign currency forward/option contracts
Derivatives in Cash Flow Hedging Relationships
Pretax Gain (Loss) Recognized in Other Comprehensive Income on Derivative	173	44	307	84
Interest rate contracts
Derivatives in Cash Flow Hedging Relationships
Pretax Gain (Loss) Recognized in Other Comprehensive Income on Derivative	$ 0	$ 0	$ 0	$ 0