Derivative Assets (Liabilities) Net Fair Value Amount Not Offset Against Collateral

No definition available.

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Namespace Prefix:	gm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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- Definition

Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Derivative Financial Instruments - Notional Amounts for Derivative Financial Instruments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Derivative [Line Items]
Gain (loss) recognized in AOCI	$ 133	$ 1	$ 101	$ 31
Fair value of assets (liabilities) available for offset	584		584		$ 693
GM Financial
Derivative [Line Items]
Notional	175,028		175,028		169,727
Fair Value of Assets	1,187		1,187		981
Fair Value of Liabilities	1,241		1,241		2,427
Collateral	70		70		190
Collateral available for netting	628		628		1,200
GM Financial \| Interest rate swaps \| Fair Value Hedges
Derivative [Line Items]
Loss on fair value hedges			164
GM Financial \| Interest rate swaps \| Fair Value Hedges \| Fair Value Level 2 \| Designated as Hedges
Derivative [Line Items]
Notional	36,069		36,069		36,145
Fair Value of Assets	100		100		32
Fair Value of Liabilities	447		447		621
GM Financial \| Interest rate swaps \| Cash Flow Hedges \| Fair Value Level 2 \| Designated as Hedges
Derivative [Line Items]
Notional	2,061		2,061		1,873
Fair Value of Assets	19		19		35
Fair Value of Liabilities	28		28		4
GM Financial \| Foreign currency swaps \| Cash Flow Hedges \| Fair Value Level 2 \| Designated as Hedges
Derivative [Line Items]
Notional	9,231		9,231		8,363
Fair Value of Assets	576		576		80
Fair Value of Liabilities	61		61		508
GM Financial \| Interest rate contracts \| Fair Value Level 2 \| Not Designated as Hedges
Derivative [Line Items]
Notional	127,486		127,486		123,346
Fair Value of Assets	491		491		833
Fair Value of Liabilities	705		705		1,294
GM Financial \| Foreign exchange contracts \| Fair Value Level 2 \| Not Designated as Hedges
Derivative [Line Items]
Notional	181		181		0
Fair Value of Assets	0		0		0
Fair Value of Liabilities	$ 0		0		$ 0
GM Financial \| Foreign exchange contracts \| Cash Flow Hedges
Derivative [Line Items]
Gain (loss) recognized in AOCI		246	578
(Gains) losses reclassified from AOCI		$ (291)	$ (675)