Finance Receivables - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Charge-offs	$ 405
Retail Finance Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit loss of finance receivables, percentage	3.20%		3.20%
Nonaccrual loans	$ 721		$ 809
Charge-offs	405	$ 322
Commercial Finance Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	0		$ 0
Loan modifications	0	0
Charge-offs	$ 0	$ 0

Financing Receivable, Allowance for Credit Loss, Modification of Loans

No definition available.

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- Definition

Percentage of allowance for credit loss to nonaccrual financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)
-Publisher SEC

+ Details

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- Definition

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.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479294/326-20-55-79

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-Topic 326
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org//1943274/2147479319/326-20-50-6

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-Topic 326
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-Section 50
-Paragraph 13
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-Subparagraph (c)(3)
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-Publisher FASB
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- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)
-Publisher SEC

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