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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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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

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GM Financial Receivables and Transactions - Summary of Finance Receivables (Details) - GM Financial - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finance Receivables [Line Items]
GM Financial receivables	$ 76,310	$ 64,702
Less: allowance for loan losses	(2,096)	(1,886)	$ (1,978)	$ (944)
GM Financial receivables, net	74,214	62,816
Retail Finance Receivables
Finance Receivables [Line Items]
GM Financial receivables	65,322	58,093
Less: allowance for loan losses	(2,062)	(1,839)
GM Financial receivables, net	63,260	56,254
Commercial Finance Receivables
Finance Receivables [Line Items]
GM Financial receivables	10,988	6,609
Less: allowance for loan losses	(34)	(47)
GM Financial receivables, net	10,954	6,562
Dealer cash management balances	1,900	1,000
Level 2
Finance Receivables [Line Items]
Fair value of GM Financial receivables	10,954	6,562
Level 3
Finance Receivables [Line Items]
Fair value of GM Financial receivables	$ 62,150	$ 57,613