Financing Receivable, Troubled Debt Restructuring, Postmodification

No definition available.

Name:	cfsc_FinancingReceivableTroubledDebtRestructuringPostmodification
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Loan and finance lease receivables modified as TDRs

+ References

No definition available.

+ Details

Name:	cfsc_LoanAndFinanceLeaseReceivablesModifiedAsTdrsAbstract
Namespace Prefix:	cfsc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	cfsc_TdrsWhichHadBeenModifiedWithinTwelveMonthsOfDefaultDateAbstract
Namespace Prefix:	cfsc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

+ Details

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

+ Details

Name:	us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

+ Details

Name:	us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cfsc_CustomerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=srt_NorthAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_EMEAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cfsc_MiningMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cfsc_CaterpillarPowerFinanceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cfsc_DealerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cfsc_CaterpillarPurchasedReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Finance Receivables (Details 7) $ in Millions	3 Months Ended		9 Months Ended
Finance Receivables (Details 7) $ in Millions	Sep. 30, 2023 contracts	Sep. 30, 2022 USD ($) contracts	Sep. 30, 2023 contracts	Sep. 30, 2022 USD ($) contracts
Customer
Finance receivables modified as TDRs
Pre-TDR Amortized Cost		$ 29		$ 40
Post-TDR Amortized Cost		29		39
Customer \| North America
Finance receivables modified as TDRs
Pre-TDR Amortized Cost		3		4
Post-TDR Amortized Cost		3		4
Customer \| EAME
Finance receivables modified as TDRs
Pre-TDR Amortized Cost		0		1
Post-TDR Amortized Cost		0		1
Customer \| Mining
Finance receivables modified as TDRs
Pre-TDR Amortized Cost		15		15
Post-TDR Amortized Cost		15		15
TDRs with a payment default which had been modified within twelve months prior to the default date
Post-TDR Amortized Cost				5
Customer \| Power
Finance receivables modified as TDRs
Pre-TDR Amortized Cost		11		20
Post-TDR Amortized Cost		$ 11		$ 19
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