Finance Receivables (Details 7) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022 USD ($) contracts	Jun. 30, 2021 USD ($) contracts	Jun. 30, 2022 USD ($) contracts	Jun. 30, 2021 USD ($) contracts
Customer
Finance receivables modified as TDRs
Pre-TDR Amortized Cost	$ 4	$ 26	$ 11	$ 37
Post-TDR Amortized Cost	3	26	10	31
TDRs with a payment default which had been modified within twelve months prior to the default date
Post-TDR Amortized Cost	0	17	5	27
Customer \| North America
Finance receivables modified as TDRs
Pre-TDR Amortized Cost	1	4	1	4
Post-TDR Amortized Cost	1	4	1	4
TDRs with a payment default which had been modified within twelve months prior to the default date
Post-TDR Amortized Cost	0	0	0	1
Customer \| EAME
Finance receivables modified as TDRs
Pre-TDR Amortized Cost			1	0
Post-TDR Amortized Cost			1	0
Customer \| Asia/Pacific
TDRs with a payment default which had been modified within twelve months prior to the default date
Post-TDR Amortized Cost	0	2	0	6
Customer \| Mining
Finance receivables modified as TDRs
Pre-TDR Amortized Cost			0	11
Post-TDR Amortized Cost			0	5
TDRs with a payment default which had been modified within twelve months prior to the default date
Post-TDR Amortized Cost	0	0	5	0
Customer \| Latin America
Finance receivables modified as TDRs
Pre-TDR Amortized Cost	0	6	0	6
Post-TDR Amortized Cost	0	6	0	6
TDRs with a payment default which had been modified within twelve months prior to the default date
Post-TDR Amortized Cost	0	15	0	15
Customer \| Caterpillar Power Finance
Finance receivables modified as TDRs
Pre-TDR Amortized Cost	3	16	9	16
Post-TDR Amortized Cost	2	16	8	16
TDRs with a payment default which had been modified within twelve months prior to the default date
Post-TDR Amortized Cost	$ 0	$ 0	$ 0	$ 5
Dealer
Finance receivables modified as TDRs
Number of Contracts \| contracts	0	0	0	0
Caterpillar Purchased Receivables
Finance receivables modified as TDRs
Number of Contracts \| contracts	0	0	0	0

Loan and finance lease receivables modified as TDRs

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

+ References

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- Definition

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

+ References

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- Definition

Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

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