Finance Receivables (Details 7) $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($) contracts	Dec. 31, 2021 USD ($) contracts
Caterpillar Purchased Receivables
Finance receivables modified as TDRs
Number of Contracts \| contracts	0	0
Dealer
Finance receivables modified as TDRs
Number of Contracts \| contracts	0	0
Customer
Finance receivables modified as TDRs
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 65	$ 62
Financing Receivable, Troubled Debt Restructuring, Postmodification	64	52
TDRs with a payment default which had been modified within twelve months prior to the default date
Financing Receivable, Modified, Subsequent Default	5	29
Customer \| North America
Finance receivables modified as TDRs
Financing Receivable, Troubled Debt Restructuring, Premodification	6	6
Financing Receivable, Troubled Debt Restructuring, Postmodification	6	6
TDRs with a payment default which had been modified within twelve months prior to the default date
Financing Receivable, Modified, Subsequent Default	0	1
Customer \| EAME
Finance receivables modified as TDRs
Financing Receivable, Troubled Debt Restructuring, Premodification	1	3
Financing Receivable, Troubled Debt Restructuring, Postmodification	1	3
Customer \| Asia/Pacific
Finance receivables modified as TDRs
Financing Receivable, Troubled Debt Restructuring, Premodification	0	4
Financing Receivable, Troubled Debt Restructuring, Postmodification	0	4
TDRs with a payment default which had been modified within twelve months prior to the default date
Financing Receivable, Modified, Subsequent Default	0	6
Customer \| Mining
Finance receivables modified as TDRs
Financing Receivable, Troubled Debt Restructuring, Premodification	16	11
Financing Receivable, Troubled Debt Restructuring, Postmodification	16	5
TDRs with a payment default which had been modified within twelve months prior to the default date
Financing Receivable, Modified, Subsequent Default	5	0
Customer \| Latin America
Finance receivables modified as TDRs
Financing Receivable, Troubled Debt Restructuring, Premodification	22	12
Financing Receivable, Troubled Debt Restructuring, Postmodification	22	12
TDRs with a payment default which had been modified within twelve months prior to the default date
Financing Receivable, Modified, Subsequent Default	0	15
Customer \| Power
Finance receivables modified as TDRs
Financing Receivable, Troubled Debt Restructuring, Premodification	20	26
Financing Receivable, Troubled Debt Restructuring, Postmodification	19	22
TDRs with a payment default which had been modified within twelve months prior to the default date
Financing Receivable, Modified, Subsequent Default	$ 0	$ 7

Financing Receivable, Troubled Debt Restructuring, Postmodification

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- Definition

Loan and finance lease receivables modified as TDRs

+ References

No definition available.

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- Definition

Loans and leases modified as TDRs within previous twelve months that subsequently defaulted

+ References

No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

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- Definition

Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 44
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-44

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

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