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, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net sales and revenue	$ 41,889			$ 26,779			$ 113,627	$ 93,420
Earnings (loss) before interest and taxes-adjusted	4,287			2,922			10,675	11,456
Adjustments	0			(158)			(957)	(257)
Net income (loss) attributable to noncontrolling interests	(53)			(34)			(234)	(99)
Income (loss) before income taxes	4,097			2,538			9,009	10,479
Income tax benefit (expense)	(845)			(152)			(1,308)	(2,300)
Net income (loss)	3,252	$ 1,642	$ 2,807	2,386	$ 2,779	$ 3,014	7,701	8,179
Net income (loss) attributable to stockholders	3,305			2,420			7,935	8,278
Equity in net assets of nonconsolidated affiliates	9,910			9,234			9,910	9,234	$ 9,677
Goodwill and intangible assets, net	4,968			5,126			4,968	5,126	5,087
Total assets	260,529			238,557			260,529	238,557	$ 244,718
Depreciation and amortization	2,774			3,081			8,509	9,110
Impairment charges	0			0			11	4
Equity income (loss)	367			323			615	1,015
Automotive
Segment Reporting Information [Line Items]
Automotive interest income	122			38			245	102
Automotive interest expense	(259)			(230)			(719)	(723)
Operating Segments \| Automotive
Segment Reporting Information [Line Items]
Net sales and revenue	38,703			23,424			104,140	83,231
Earnings (loss) before interest and taxes-adjusted	3,876			2,112			8,735	8,455
Adjustments	0			(158)			100	(257)
Equity in net assets of nonconsolidated affiliates	8,205			7,585			8,205	7,585
Goodwill and intangible assets, net	2,908			3,047			2,908	3,047
Total assets	137,331			121,120			137,331	121,120
Depreciation and amortization	1,548			1,514			4,804	4,272
Impairment charges	0			0			11	0
Equity income (loss)	323			270			467	858
Operating Segments \| GMNA \| Automotive
Segment Reporting Information [Line Items]
Net sales and revenue	34,691			20,554			92,907	74,443
Earnings (loss) before interest and taxes-adjusted	3,894			2,125			9,334	8,153
Adjustments	0			(158)			100	(175)
Equity in net assets of nonconsolidated affiliates	1,641			585			1,641	585
Goodwill and intangible assets, net	2,160			2,267			2,160	2,267
Total assets	134,823			114,012			134,823	114,012
Depreciation and amortization	1,419			1,370			4,399	3,849
Impairment charges	0			0			11	0
Equity income (loss)	(6)			1			(6)	8
Operating Segments \| GMI \| Automotive
Segment Reporting Information [Line Items]
Net sales and revenue	3,980			2,843			11,100	8,721
Earnings (loss) before interest and taxes-adjusted	334			229			871	552
Adjustments	0			0			0	(82)
Equity in net assets of nonconsolidated affiliates	6,564			7,000			6,564	7,000
Goodwill and intangible assets, net	744			780			744	780
Total assets	23,756			21,953			23,756	21,953
Depreciation and amortization	124			138			389	407
Impairment charges	0			0			0	0
Equity income (loss)	329			269			472	850
Operating Segments \| Cruise
Segment Reporting Information [Line Items]
Net sales and revenue	25			26			76	81
Earnings (loss) before interest and taxes-adjusted	(497)			(286)			(1,365)	(847)
Adjustments	0			0			(1,057)	0
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangible assets, net	721			739			721	739
Total assets	5,669			4,912			5,669	4,912
Depreciation and amortization	15			13			39	37
Impairment charges	0			0			0	4
Equity income (loss)	0			0			0	0
Operating Segments \| GM Financial
Segment Reporting Information [Line Items]
Net sales and revenue	3,187			3,354			9,489	10,187
Earnings (loss) before interest and taxes-adjusted	911			1,093			3,301	3,856
Adjustments	0			0			0	0
Equity in net assets of nonconsolidated affiliates	1,705			1,649			1,705	1,649
Goodwill and intangible assets, net	1,339			1,340			1,339	1,340
Total assets	118,917			113,741			118,917	113,741
Depreciation and amortization	1,212			1,554			3,666	4,801
Impairment charges	0			0			0	0
Equity income (loss)	44			53			148	157
Corporate \| Automotive
Segment Reporting Information [Line Items]
Net sales and revenue	32			27			132	67
Earnings (loss) before interest and taxes-adjusted	(352)			(242)			(1,470)	(250)
Adjustments	0			0			0	0
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangible assets, net	4			0			4	0
Total assets	38,693			31,907			38,693	31,907
Depreciation and amortization	5			6			16	16
Impairment charges	0			0			0	0
Equity income (loss)	0			0			0	0
Eliminations
Segment Reporting Information [Line Items]
Net sales and revenue	(27)			(25)			(79)	(79)
Earnings (loss) before interest and taxes-adjusted	(2)			3			4	(8)
Adjustments	0			0			0	0
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangible assets, net	0			0			0	0
Total assets	(1,388)			(1,216)			(1,388)	(1,216)
Depreciation and amortization	0			0			0	0
Impairment charges	0			0			0	0
Equity income (loss)	0			0			0	0
Eliminations \| Automotive
Segment Reporting Information [Line Items]
Equity in net assets of nonconsolidated affiliates	0			0			0	0
Goodwill and intangible assets, net	0			0			0	0
Total assets	(59,941)			(46,752)			(59,941)	(46,752)
Depreciation and amortization	0			0			0	0
Impairment charges	0			0			0	0
Equity income (loss)	$ 0			$ 0			$ 0	$ 0