Line Of Credit Facilities, Related Party Facility

No definition available.

Name:	acf_LineOfCreditFacilitiesRelatedPartyFacility
Namespace Prefix:	acf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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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 of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of any deferred tax-related balances due to affiliates as of the date of each statement of financial position presented.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 17
-Subparagraph (a)
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+ Details

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

- 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

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

- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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

- Details

Name:	us-gaap_CreditFacilityAxis=acf_JuniorSubordinatedRevolvingCreditFacilityMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=acf_GeneralMotorsMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=acf_FiveYearRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=acf_ThreeYearRevolvingCreditFacilityExpiringApril2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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Related Party Transactions - Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended
	Mar. 31, 2023	Feb. 28, 2023	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Related party tax payment				$ 89,000,000
Junior Subordinated Revolving Credit Facility \| General Motors
Related Party Transaction [Line Items]
Line of credit facilities - GM Related party facility	$ 1,000,000,000		$ 1,000,000,000
Revolving Credit Facility
Related Party Transaction [Line Items]
Maximum borrowing capacity	1,800,000,000		1,800,000,000
Line of Credit \| General Motors \| Five Year Revolving Credit Facility
Related Party Transaction [Line Items]
Maximum borrowing capacity		$ 11,200,000,000
Current borrowing capacity	10,000,000,000		$ 10,000,000,000
Debt instrument term		5 years	5 years
Line of Credit \| General Motors \| Three Year Revolving Credit Facility
Related Party Transaction [Line Items]
Maximum borrowing capacity		$ 4,300,000,000
Current borrowing capacity	$ 4,100,000,000		$ 4,100,000,000
Debt instrument term		3 years
Line of Credit \| General Motors \| 364 Day Revolving Credit Facilities
Related Party Transaction [Line Items]
Debt instrument term	364 days
Line of Credit \| Revolving Credit Facility \| General Motors
Related Party Transaction [Line Items]
Maximum borrowing capacity	$ 14,100,000,000		14,100,000,000
Line of Credit \| Revolving Credit Facility \| General Motors \| Three Year Revolving Credit Facility
Related Party Transaction [Line Items]
Maximum borrowing capacity	4,100,000,000		$ 4,100,000,000
Debt instrument term			3 years
Line of Credit \| Revolving Credit Facility \| General Motors \| 364 Day Revolving Credit Facilities
Related Party Transaction [Line Items]
Maximum borrowing capacity	2,000,000,000		$ 2,000,000,000
Debt instrument term			364 days
Line of Credit \| Revolving Credit Facility \| Cruise
Related Party Transaction [Line Items]
Long-term line of credit	151,000,000		$ 151,000,000		$ 113,000,000
Maximum borrowing capacity	$ 4,500,000,000		4,500,000,000
GM
Related Party Transaction [Line Items]
Revenue from related parties			$ 749,000,000	$ 439,000,000