Finance Receivables and Loans, Net (Troubled Debt Restructurings) (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022 USD ($) loan	Sep. 30, 2022 USD ($) loan	Dec. 31, 2022 USD ($)
Financing Receivable, Troubled Debt Restructuring
Financing receivable, modifications, gross carrying value			$ 2,400
Number of loans \| loan	12,489	39,982
Pre-modification amortized cost basis	$ 248	$ 1,113
Post-modification amortized cost basis	$ 246	$ 1,100
Consumer
Financing Receivable, Troubled Debt Restructuring
Number of loans \| loan	12,488	39,977
Pre-modification amortized cost basis	$ 197	$ 651
Post-modification amortized cost basis	$ 191	$ 634
Consumer \| Automotive
Financing Receivable, Troubled Debt Restructuring
Number of loans \| loan	11,733	38,112
Pre-modification amortized cost basis	$ 193	$ 637
Post-modification amortized cost basis	$ 187	$ 620
Consumer \| Consumer mortgage
Financing Receivable, Troubled Debt Restructuring
Number of loans \| loan	6	22
Pre-modification amortized cost basis	$ 3	$ 11
Post-modification amortized cost basis	$ 3	$ 11
Consumer \| Mortgage Finance
Financing Receivable, Troubled Debt Restructuring
Number of loans \| loan	4	13
Pre-modification amortized cost basis	$ 3	$ 10
Post-modification amortized cost basis	$ 3	$ 10
Consumer \| Mortgage — Legacy
Financing Receivable, Troubled Debt Restructuring
Number of loans \| loan	2	9
Pre-modification amortized cost basis	$ 0	$ 1
Post-modification amortized cost basis	$ 0	$ 1
Consumer \| Other
Financing Receivable, Troubled Debt Restructuring
Number of loans \| loan	749	1,843
Pre-modification amortized cost basis	$ 1	$ 3
Post-modification amortized cost basis	$ 1	$ 3
Consumer \| Credit card receivables
Financing Receivable, Troubled Debt Restructuring
Number of loans \| loan	749	1,843
Pre-modification amortized cost basis	$ 1	$ 3
Post-modification amortized cost basis	$ 1	$ 3
Commercial
Financing Receivable, Troubled Debt Restructuring
Number of loans \| loan	1	5
Pre-modification amortized cost basis	$ 51	$ 462
Post-modification amortized cost basis	$ 55	$ 466
Commercial \| Other
Financing Receivable, Troubled Debt Restructuring
Number of loans \| loan	1	5
Pre-modification amortized cost basis	$ 51	$ 462
Post-modification amortized cost basis	$ 55	$ 466

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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