Derivatives and Hedging Activities (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Derivatives, gross	$ 307	$ 521
Derivatives, gross	560	801
Derivative asset and derivative liability netting, assets	(179)	(257)
Derivative asset and derivative liability netting, liabilities	(179)	(257)
Cash collateral netting, assets	0	(11)
Cash collateral netting, liabilities	(170)	(212)
Total derivatives assets, net	128	253
Total derivatives liabilities, net	211	332
Other Assets | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	145	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	145	350
Other Assets | Foreign Exchange Contract | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	162	171
Other Liabilities | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	381	462
Other Liabilities | Interest Rate Contract | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	163	211
Other Liabilities | Foreign Exchange Contract | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	218	251
Other Liabilities | Foreign Exchange Contract | Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross	$ 179	$ 339