Derivatives and Hedging Activities (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Derivatives, gross	$ 205	$ 521
Derivatives, gross	828	801
Derivative asset and derivative liability netting, assets	(118)	(257)
Derivative asset and derivative liability netting, liabilities	(118)	(257)
Cash collateral netting, assets	(2)	(11)
Cash collateral netting, liabilities	(187)	(212)
Total derivatives assets, net	85	253
Total derivatives liabilities, net	523	332
Other Assets | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	55	350
Other Assets | Interest Rate Contract | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	0	0
Other Assets | Foreign Exchange Contract | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	55	350
Other Assets | Foreign Exchange Contract | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	150	171
Other Liabilities | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	596	462
Other Liabilities | Interest Rate Contract | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	176	211
Other Liabilities | Foreign Exchange Contract | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	420	251
Other Liabilities | Foreign Exchange Contract | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	$ 232	$ 339