Derivative Financial Instruments and Risk Management (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value
Asset Fair Value	$ 285	$ 417
Derivative Liability, Subject to Master Netting Arrangement, before Offset	(220)	(199)
Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivatives, Fair Value
Asset Fair Value	257	392
Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Derivatives, Fair Value
Derivative Liability, Subject to Master Netting Arrangement, before Offset	(141)	(157)
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Assets [Member]
Derivatives, Fair Value
Asset Fair Value	207	305
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Liabilities [Member]
Derivatives, Fair Value
Derivative Liability, Subject to Master Netting Arrangement, before Offset	(73)	(44)
Designated as Hedging Instrument [Member] | Interest Rate Contract [Member] | Other Assets [Member]
Derivatives, Fair Value
Asset Fair Value	50	87
Designated as Hedging Instrument [Member] | Interest Rate Contract [Member] | Other Liabilities [Member]
Derivatives, Fair Value
Derivative Liability, Subject to Master Netting Arrangement, before Offset	(68)	(113)
Not Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivatives, Fair Value
Asset Fair Value	28	25
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Derivatives, Fair Value
Derivative Liability, Subject to Master Netting Arrangement, before Offset	(79)	(42)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Assets [Member]
Derivatives, Fair Value
Asset Fair Value	28	25
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Liabilities [Member]
Derivatives, Fair Value
Derivative Liability, Subject to Master Netting Arrangement, before Offset	$ (79)	$ (42)