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, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Net sales and revenue	$ 48,757			$ 44,131			$ 139,740	$ 128,863
Earnings (loss) before interest and taxes-adjusted	4,115			3,564			12,424	10,601
Adjustments	(417)			(123)			(1,274)	(1,267)
Net income (loss) attributable to noncontrolling interest	(48)			(70)			(132)	(179)
Income (loss) before income taxes	3,717			3,464			11,076	9,267
Income tax benefit (expense)	(709)			(470)			(2,238)	(1,421)
Net income (loss)	3,008	$ 2,877	$ 2,953	2,994	$ 2,507	$ 2,346	8,837	7,846
Net income (loss) attributable to stockholders	3,056			3,064			8,969	8,026
Equity in net assets of nonconsolidated affiliates	11,039			10,549			11,039	10,549	$ 10,613
Goodwill and intangibles	4,745			4,907			4,745	4,907	4,862
Total assets	289,289			281,705			289,289	281,705	$ 273,064
Depreciation and amortization	2,873			2,992			8,551	8,738
Impairment charges	0			0			605	0
Equity income (loss)	187			328			477	548
Operating Segments \| Cruise
Segment Reporting Information [Line Items]
Net sales and revenue	26			25			76	76
Earnings (loss) before interest and taxes-adjusted	(383)			(732)			(1,284)	(1,904)
Adjustments	0			0			(583)	0
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangibles	717			723			717	723
Total assets	3,552			4,888			3,552	4,888
Depreciation and amortization	6			12			18	27
Impairment charges	0			0			605	0
Equity income (loss)	0			0			0	0
Operating Segments \| GM Financial
Segment Reporting Information [Line Items]
Net sales and revenue	4,031			3,641			11,761	10,482
Earnings (loss) before interest and taxes-adjusted	687			741			2,246	2,278
Adjustments	0			0			0	0
Equity in net assets of nonconsolidated affiliates	1,570			1,691			1,570	1,691
Goodwill and intangibles	1,346			1,352			1,346	1,352
Total assets	135,918			128,962			135,918	128,962
Depreciation and amortization	1,217			1,231			3,662	3,727
Impairment charges	0			0			0	0
Equity income (loss)	10			33			55	111
Eliminations
Segment Reporting Information [Line Items]
Net sales and revenue	(36)			(38)			(105)	(98)
Earnings (loss) before interest and taxes-adjusted	(8)			(7)			(25)	(13)
Adjustments	0			0			0	0
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangibles	0			0			0	0
Total assets	(3,457)			(2,649)			(3,457)	(2,649)
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	274			322			688	801
Automotive interest expense	(206)			(229)			(631)	(689)
Automotive \| Operating Segments
Segment Reporting Information [Line Items]
Net sales and revenue	44,735			40,503			128,007	118,403
Earnings (loss) before interest and taxes-adjusted	3,819			3,561			11,486	10,240
Adjustments	(417)			(123)			(691)	(1,267)
Equity in net assets of nonconsolidated affiliates	9,469			8,859			9,469	8,859
Goodwill and intangibles	2,682			2,832			2,682	2,832
Total assets	153,275			150,504			153,275	150,504
Depreciation and amortization	1,650			1,749			4,871	4,984
Impairment charges	0			0			0	0
Equity income (loss)	177			295			423	437
Automotive \| Operating Segments \| GMNA
Segment Reporting Information [Line Items]
Net sales and revenue	41,157			36,106			117,981	106,214
Earnings (loss) before interest and taxes-adjusted	3,982			3,526			12,254	10,295
Adjustments	(340)			(123)			(511)	(1,343)
Equity in net assets of nonconsolidated affiliates	3,894			2,603			3,894	2,603
Goodwill and intangibles	1,996			2,112			1,996	2,112
Total assets	169,036			155,556			169,036	155,556
Depreciation and amortization	1,491			1,585			4,415	4,544
Impairment charges	0			0			0	0
Equity income (loss)	309			105			766	89
Automotive \| Operating Segments \| GMI
Segment Reporting Information [Line Items]
Net sales and revenue	3,517			4,330			9,897	12,011
Earnings (loss) before interest and taxes-adjusted	42			357			82	940
Adjustments	(43)			0			(146)	76
Equity in net assets of nonconsolidated affiliates	5,575			6,256			5,575	6,256
Goodwill and intangibles	686			716			686	716
Total assets	25,767			24,444			25,767	24,444
Depreciation and amortization	131			158			403	424
Impairment charges	0			0			0	0
Equity income (loss)	(132)			190			(343)	348
Automotive \| Corporate
Segment Reporting Information [Line Items]
Net sales and revenue	62			67			130	177
Earnings (loss) before interest and taxes-adjusted	(204)			(322)			(850)	(996)
Adjustments	(34)			0			(34)	0
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangibles	0			4			0	4
Total assets	45,160			47,964			45,160	47,964
Depreciation and amortization	27			5			53	15
Impairment charges	0			0			0	0
Equity income (loss)	0			0			0	0
Automotive \| Eliminations
Segment Reporting Information [Line Items]
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangibles	0			0			0	0
Total assets	(86,689)			(77,461)			(86,689)	(77,461)
Depreciation and amortization	0			0			0	0
Impairment charges	0			0			0	0
Equity income (loss)	$ 0			$ 0			$ 0	$ 0