XML 75 R63.htm IDEA: XBRL DOCUMENT v3.24.2

Derivative Financial Instruments - Balance Sheet Location of GM Financial Unsecured Debt (Details) - Fair Value Hedges - GM Financial - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Carrying Amount of Hedged Items	$ 36,614	$ 33,551
Cumulative Amount of Fair Value Hedging Adjustments	1,220	1,029
Cumulative fair value adjustment on discontinued hedging relationships	852	872
Short-term unsecured debt
Derivatives, Fair Value [Line Items]
Carrying Amount of Hedged Items	6,381	3,508
Cumulative Amount of Fair Value Hedging Adjustments	(31)	(8)
Long-term unsecured debt
Derivatives, Fair Value [Line Items]
Carrying Amount of Hedged Items	30,233	30,043
Cumulative Amount of Fair Value Hedging Adjustments	$ 1,252	$ 1,037

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
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4EE
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE

+ 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: