XML 73 R61.htm IDEA: XBRL DOCUMENT v3.22.1

Derivative Financial Instruments - Balance Sheet Location of GM Financial Unsecured Debt (Details) - Fair Value Hedges - GM Financial - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Carrying Amount of Hedged Items	$ 26,157	$ 24,964
Cumulative Amount of Fair Value Hedging Adjustments on Hedging Relationships	153	(226)
Short-term unsecured debt
Derivatives, Fair Value [Line Items]
Carrying Amount of Hedged Items	1,503	1,338
Cumulative Amount of Fair Value Hedging Adjustments on Hedging Relationships	8	(1)
Long-term unsecured debt
Derivatives, Fair Value [Line Items]
Carrying Amount of Hedged Items	24,654	23,626
Cumulative Amount of Fair Value Hedging Adjustments on Hedging Relationships	146	(225)
Cumulative fair value adjustment on discontinued hedging relationships	$ 196	$ 246

X

- Definition

Derivative Liabilities, Fair Value Adjustment on Discontinued Hedging Relationships

+ References

No definition available.

+ Details

Name:	gm_DerivativeLiabilitiesFairValueAdjustmentOnDiscontinuedHedgingRelationships
Namespace Prefix:	gm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Derivative Liabilities, Increase (Decrease) in Fair Value Adjustment

+ References

No definition available.

+ Details

Name:	gm_DerivativeLiabilitiesIncreaseDecreaseInFairValueAdjustment
Namespace Prefix:	gm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

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

X

- Definition

Amount of liability hedged in fair value hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959

+ Details

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

X

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_FairValueHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	gm_BusinessGroupAxis=gm_GmFinancialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_ShortTermDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_LongTermDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: