Finance Receivables - Allowance for Loan Losses (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for retail loan losses beginning balance	$ 2,096
Provision for loan losses	131	$ 122
Charge-offs	(322)
Allowance for retail loan losses ending balance	2,152
Retail Finance Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for retail loan losses beginning balance	2,062	1,839
Provision for loan losses	137	126
Charge-offs	(322)	(275)
Recoveries	186	177
Foreign currency translation and other	60	18
Allowance for retail loan losses ending balance	$ 2,123	$ 1,884

Amount of foreign currency translation gain (loss) which decreases (increases) allowance for credit loss on financing receivable. Excludes net investment in lease.

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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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Amount of increase in allowance for credit loss on financing receivable from recovery.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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