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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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		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Derivative [Line Items]
Gain (loss) recognized in AOCI	$ (45)	$ (15)	$ 18	$ (32)
Fair value of assets (liabilities) available for offset	481		481		$ 520
GM Financial
Derivative [Line Items]
Notional	162,623		162,623		167,913
Fair Value of Assets	884		884		1,107
Fair Value of Liabilities	1,178		1,178		1,175
Collateral available for netting	647		647		615
GM Financial \| Interest rate swaps \| Fair value hedges \| Fair Value Level 2 \| Designated as Hedges
Derivative [Line Items]
Notional	37,105		37,105		33,880
Fair Value of Assets	32		32		88
Fair Value of Liabilities	477		477		457
GM Financial \| Interest rate swaps \| Cash flow hedges \| Fair Value Level 2 \| Designated as Hedges
Derivative [Line Items]
Notional	2,628		2,628		2,302
Fair Value of Assets	21		21		18
Fair Value of Liabilities	17		17		23
GM Financial \| Foreign currency swaps \| Cash flow hedges \| Fair Value Level 2 \| Designated as Hedges
Derivative [Line Items]
Notional	9,232		9,232		9,226
Fair Value of Assets	424		424		580
Fair Value of Liabilities	103		103		58
GM Financial \| Interest rate contracts \| Fair Value Level 2 \| Not Designated as Hedges
Derivative [Line Items]
Notional	113,658		113,658		122,505
Fair Value of Assets	407		407		421
Fair Value of Liabilities	$ 581		581		$ 637
GM Financial \| Foreign exchange contracts \| Cash flow hedges
Derivative [Line Items]
Gain (loss) recognized in AOCI		489	(156)	645
(Gains) losses reclassified from AOCI		$ (480)	$ 210	$ (711)