Earnings or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investment and net of income or loss attributable to noncontrolling interest, but before adjustments that are not considered part of our core operations, automotive interest expense, corporate interest income, gain or loss on extinguishment of debt and income tax expense or benefit.

No definition available.

Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
Segment Reporting (Details) - USD ($) $ in Millions	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Net sales and revenue	$ 48,591			$ 48,757			$ 139,732	$ 139,740
Net income (loss) attributable to noncontrolling interests	(35)			(48)			33	(132)
Income (loss) before income taxes	1,419			3,717			7,366	11,076
Income tax benefit (expense)	(127)			(709)			(1,326)	(2,238)
Net income (loss)	1,293	$ 1,894	$ 2,853	3,008	$ 2,877	$ 2,953	6,040	8,837
Net income (loss) attributable to stockholders	1,327			3,056			6,007	8,969
Equity in net assets of nonconsolidated affiliates	6,272			11,039			6,272	11,039	$ 7,102
Goodwill and intangibles	4,452			4,745			4,452	4,745	4,551
Total assets	288,168			289,289			288,168	289,289	$ 279,761
Expenditures for property	2,130			2,245			6,083	7,597
Depreciation and amortization	3,066			2,873			9,026	8,551
Impairment charges	1,044			0			1,063	605
Equity income (loss)	290			187			684	477
Operating Segments
Segment Reporting Information [Line Items]
Net sales and revenue	48,533			48,731			139,579	139,715
Segment expenses and other items	(44,996)			(44,403)			(128,992)	(126,416)
Earnings (loss) before interest and taxes-adjusted	3,536			4,327			10,587	13,299
Adjustments	(1,917)			(383)			(2,572)	(1,240)
Equity in net assets of nonconsolidated affiliates	6,007			11,039			6,007	11,039
Goodwill and intangibles	4,452			4,745			4,452	4,745
Total assets	328,276			334,274			328,276	334,274
Expenditures for property	2,119			2,227			6,033	7,498
Depreciation and amortization	3,063			2,846			8,986	8,498
Impairment charges	1,044			0			1,063	605
Equity income (loss)	307			187			714	477
Operating Segments \| GMNA
Segment Reporting Information [Line Items]
Net sales and revenue	40,551			41,157			117,424	117,981
Segment expenses and other items	(38,045)			(37,175)			(109,217)	(105,726)
Earnings (loss) before interest and taxes-adjusted	2,506			3,982			8,207	12,254
Adjustments	(1,917)			(340)			(2,312)	(511)
Equity in net assets of nonconsolidated affiliates	3,324			3,894			3,324	3,894
Goodwill and intangibles	2,449			1,996			2,449	1,996
Total assets	164,001			169,036			164,001	169,036
Expenditures for property	2,011			2,128			5,729	7,220
Depreciation and amortization	1,703			1,491			4,933	4,415
Impairment charges	1,044			0			1,044	0
Equity income (loss)	214			309			469	766
Operating Segments \| GMI
Segment Reporting Information [Line Items]
Net sales and revenue	3,645			3,517			9,398	9,897
Segment expenses and other items	(3,419)			(3,475)			(8,938)	(9,815)
Earnings (loss) before interest and taxes-adjusted	226			42			460	82
Adjustments	0			(43)			(260)	(146)
Equity in net assets of nonconsolidated affiliates	1,588			5,575			1,588	5,575
Goodwill and intangibles	655			686			655	686
Total assets	22,690			25,767			22,690	25,767
Expenditures for property	92			91			274	258
Depreciation and amortization	114			131			347	403
Impairment charges	0			0			18	0
Equity income (loss)	83			(132)			208	(343)
Operating Segments \| Cruise
Segment Reporting Information [Line Items]
Net sales and revenue	0			26			1	76
Segment expenses and other items				(409)			(274)	(1,360)
Earnings (loss) before interest and taxes-adjusted				(383)			(273)	(1,284)
Adjustments				0			0	(583)
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangibles	1			717			1	717
Total assets	309			3,552			309	3,552
Expenditures for property	0			3			2	4
Depreciation and amortization	0			6			5	18
Impairment charges	0			0			0	605
Equity income (loss)	0			0			0	0
Operating Segments \| GM Financial
Segment Reporting Information [Line Items]
Net sales and revenue	4,337			4,031			12,756	11,761
Segment expenses and other items	(3,533)			(3,344)			(10,563)	(9,515)
Earnings (loss) before interest and taxes-adjusted	804			687			2,193	2,246
Adjustments	0			0			0	0
Equity in net assets of nonconsolidated affiliates	1,095			1,570			1,095	1,570
Goodwill and intangibles	1,348			1,346			1,348	1,346
Total assets	141,276			135,918			141,276	135,918
Expenditures for property	17			6			27	16
Depreciation and amortization	1,245			1,217			3,701	3,662
Impairment charges	0			0			0	0
Equity income (loss)	9			10			37	55
Corporate
Segment Reporting Information [Line Items]
Net sales and revenue	60			62			163	130
Adjustments	176			238			730	884
Equity in net assets of nonconsolidated affiliates	266			0			266	0
Goodwill and intangibles	0			0			0	0
Total assets	29,943			45,160			29,943	45,160
Expenditures for property	11			10			50	18
Depreciation and amortization	4			27			39	53
Impairment charges	0			0			0	0
Equity income (loss)	(16)			0			(30)	0
Eliminations
Segment Reporting Information [Line Items]
Net sales and revenue	(2)			(36)			(9)	(105)
Adjustments	0			8			4	25
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangibles	0			0			0	0
Total assets	(70,051)			(90,145)			(70,051)	(90,145)
Expenditures for property	0			8			0	81
Depreciation and amortization	0			0			0	0
Impairment charges	0			0			0	0
Equity income (loss)	0			0			0	0
Automotive
Segment Reporting Information [Line Items]
Automotive interest income	220			274			611	688
Automotive interest expense	(209)			(206)			(560)	(631)
Automotive \| Operating Segments
Segment Reporting Information [Line Items]
Net sales and revenue	44,256			44,735			126,985	128,007
Automotive \| Operating Segments \| GMNA
Segment Reporting Information [Line Items]
Net sales and revenue	40,551			41,157			117,424	117,981
Automotive \| Operating Segments \| GMI
Segment Reporting Information [Line Items]
Net sales and revenue	3,645			3,517			9,398	9,897
Automotive \| Corporate
Segment Reporting Information [Line Items]
Net sales and revenue	$ 60			$ 62			$ 163	$ 130