This element represents the guaranteed residual value of outstanding finance receivables.

No definition available.

Name:	cfsc_GuaranteedResidualValue
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the aggregate amount of finance receivables due as of the latest balance sheet presented in the financial statements.

+ References

No definition available.

+ Details

Name:	cfsc_OutstandingFinanceReceivablesAggregateAmounts
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the amount of finance receivables due after year five following the date of the latest balance sheet presented in the financial statements.

+ References

No definition available.

+ Details

Name:	cfsc_OutstandingFinanceReceivablesDueAfterYearFive
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the amount of finance receivables due within the next twelve months following the date of the latest balance sheet presented in the financial statements.

+ References

No definition available.

+ Details

Name:	cfsc_OutstandingFinanceReceivablesDueInNextTwelveMonths
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the amount of finance receivables due in year five following the date of the latest balance sheet presented in the financial statements.

+ References

No definition available.

+ Details

Name:	cfsc_OutstandingFinanceReceivablesDueInYearFive
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the amount of finance receivables due in year four following the date of the latest balance sheet presented in the financial statements.

+ References

No definition available.

+ Details

Name:	cfsc_OutstandingFinanceReceivablesDueInYearFour
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the amount of finance receivables due in year three following the date of the latest balance sheet presented in the financial statements.

+ References

No definition available.

+ Details

Name:	cfsc_OutstandingFinanceReceivablesDueInYearThree
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the amount of finance receivables due in year two following the date of the latest balance sheet presented in the financial statements.

+ References

No definition available.

+ Details

Name:	cfsc_OutstandingFinanceReceivablesDueInYearTwo
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the unguaranteed residual value of outstanding finance receivables.

+ References

No definition available.

+ Details

Name:	cfsc_UnguaranteedResidualValue
Namespace Prefix:	cfsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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.

+ Details

Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

Name:	us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of sales-type lease revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
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-URI http://asc.fasb.org/extlink&oid=124502072&loc=SL77927221-108306

+ Details

Name:	us-gaap_SalesTypeLeaseRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=cfsc_RetailloansMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=cfsc_RetailleasesMember
Namespace Prefix:
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- Details

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Namespace Prefix:
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Namespace Prefix:
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Period Type:

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Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=cfsc_WholesaleleasesMember
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Period Type:

Finance Receivables (Details 2) - USD ($) $ in Millions	12 Months Ended
Finance Receivables (Details 2) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable
2022	$ 13,938
2023	6,244
2024	3,825
2025	2,040
2026	895
Thereafter	235
Total	27,177
Guaranteed residual value	497
Unguaranteed residual value	757
Unearned income	(917)
Total Finance Receivables	27,514	$ 27,054
Finance lease revenue (included in retail and wholesale finance revenue)	481	491	$ 518
Retail loans
Accounts, Notes, Loans and Financing Receivable
2022	6,047
2023	4,055
2024	2,651
2025	1,493
2026	665
Thereafter	198
Total	15,109
Guaranteed residual value	16
Unguaranteed residual value	3
Unearned income	(311)
Total Finance Receivables	14,817	15,037
Retail leases
Accounts, Notes, Loans and Financing Receivable
2022	3,187
2023	2,113
2024	1,135
2025	535
2026	227
Thereafter	35
Total	7,232
Guaranteed residual value	411
Unguaranteed residual value	750
Unearned income	(575)
Total Finance Receivables	7,818	7,812
Caterpillar Purchased Receivables
Accounts, Notes, Loans and Financing Receivable
2022	4,488
2023	0
2024	0
2025	0
2026	0
Thereafter	0
Total	4,488
Guaranteed residual value	0
Unguaranteed residual value	0
Unearned income	(26)
Total Finance Receivables	4,462	3,646	$ 4,448
Wholesale loans
Accounts, Notes, Loans and Financing Receivable
2022	213
2023	74
2024	37
2025	11
2026	3
Thereafter	2
Total	340
Guaranteed residual value	68
Unguaranteed residual value	2
Unearned income	(4)
Total Finance Receivables	406	533
Wholesale leases
Accounts, Notes, Loans and Financing Receivable
2022	3
2023	2
2024	2
2025	1
2026	0
Thereafter	0
Total	8
Guaranteed residual value	2
Unguaranteed residual value	2
Unearned income	(1)
Total Finance Receivables	$ 11	$ 26