Transfers of Receivables - Exposure Based on Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Securitization Transactions [Line Items]
Fair Value of Derivative Assets	$ 987	$ 1,065
Fair Value of Derivative Liabilities	3,026	512
Securitization Transactions [Member]
Securitization Transactions [Line Items]
Fair Value of Derivative Assets	503	55
Fair Value of Derivative Liabilities	124	38
Related to Variable Interest Entity - Not VIE [Member] | Securitization Transactions [Member]
Securitization Transactions [Line Items]
Fair Value of Derivative Assets	0	0
Fair Value of Derivative Liabilities	121	13
Other, Not Variable Interest Entity Related [Member] | Securitization Transactions [Member]
Securitization Transactions [Line Items]
Fair Value of Derivative Assets	239	16
Fair Value of Derivative Liabilities	1	19
Variable Interest Entity, Primary Beneficiary [Member]
Securitization Transactions [Line Items]
Fair Value of Derivative Assets	264	39
Fair Value of Derivative Liabilities	2	6
Variable Interest Entity, Primary Beneficiary [Member] | Securitization Transactions [Member]
Securitization Transactions [Line Items]
Fair Value of Derivative Assets	264	39
Fair Value of Derivative Liabilities	$ 2	$ 6