Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net sales and revenue	$ 35,979	$ 32,474
Earnings (loss) before interest and taxes-adjusted	4,044	4,417
Adjustments	(957)	0
Net income (loss) attributable to noncontrolling interests	(131)	(8)
Income (loss) before income taxes	2,779	4,191
Income tax benefit (expense)	28	(1,177)
Net income (loss)	2,807	3,014
Net income (loss) attributable to stockholders	2,939	3,022
Equity in net assets of nonconsolidated affiliates	10,402	8,979	$ 9,677
Goodwill and intangible assets, net	5,058	5,185	5,087
Total assets	251,492	238,411	$ 244,718
Depreciation and amortization	2,891	3,015
Impairment charges	0	0
Equity income (loss)	292	365
Automotive
Segment Reporting Information [Line Items]
Automotive interest income	50	32
Automotive interest expense	(226)	(250)
Operating Segments \| Automotive
Segment Reporting Information [Line Items]
Net sales and revenue	32,823	29,062
Earnings (loss) before interest and taxes-adjusted	3,082	3,472
Adjustments	100	0
Equity in net assets of nonconsolidated affiliates	8,623	7,349
Goodwill and intangible assets, net	2,978	3,116
Total assets	131,060	119,848
Depreciation and amortization	1,643	1,336
Impairment charges	0	0
Equity income (loss)	238	311
Operating Segments \| GMNA \| Automotive
Segment Reporting Information [Line Items]
Net sales and revenue	29,456	25,957
Earnings (loss) before interest and taxes-adjusted	3,141	3,134
Adjustments	100	0
Equity in net assets of nonconsolidated affiliates	1,217	355
Goodwill and intangible assets, net	2,213	2,320
Total assets	126,454	113,926
Depreciation and amortization	1,504	1,198
Impairment charges	0	0
Equity income (loss)	6	4
Operating Segments \| GMI \| Automotive
Segment Reporting Information [Line Items]
Net sales and revenue	3,313	3,086
Earnings (loss) before interest and taxes-adjusted	328	308
Adjustments	0	0
Equity in net assets of nonconsolidated affiliates	7,406	6,994
Goodwill and intangible assets, net	765	796
Total assets	24,612	22,798
Depreciation and amortization	134	132
Impairment charges	0	0
Equity income (loss)	232	307
Operating Segments \| Cruise
Segment Reporting Information [Line Items]
Net sales and revenue	26	30
Earnings (loss) before interest and taxes-adjusted	(325)	(229)
Adjustments	(1,057)	0
Equity in net assets of nonconsolidated affiliates	0	0
Goodwill and intangible assets, net	733	730
Total assets	6,310	5,324
Depreciation and amortization	12	11
Impairment charges	0	0
Equity income (loss)	0	0
Operating Segments \| GM Financial
Segment Reporting Information [Line Items]
Net sales and revenue	3,156	3,407
Earnings (loss) before interest and taxes-adjusted	1,284	1,182
Adjustments	0	0
Equity in net assets of nonconsolidated affiliates	1,779	1,630
Goodwill and intangible assets, net	1,346	1,339
Total assets	115,312	114,597
Depreciation and amortization	1,236	1,668
Impairment charges	0	0
Equity income (loss)	54	54
Corporate \| Automotive
Segment Reporting Information [Line Items]
Net sales and revenue	53	19
Earnings (loss) before interest and taxes-adjusted	(387)	30
Adjustments	0	0
Equity in net assets of nonconsolidated affiliates	0	0
Goodwill and intangible assets, net	0	0
Total assets	35,696	36,271
Depreciation and amortization	5	6
Impairment charges	0	0
Equity income (loss)	0	0
Eliminations
Segment Reporting Information [Line Items]
Net sales and revenue	(26)	(25)
Earnings (loss) before interest and taxes-adjusted	4	(8)
Adjustments	0	0
Equity in net assets of nonconsolidated affiliates	0	0
Goodwill and intangible assets, net	0	0
Total assets	(1,190)	(1,358)
Depreciation and amortization	0	0
Impairment charges	0	0
Equity income (loss)	0	0
Eliminations \| Automotive
Segment Reporting Information [Line Items]
Equity in net assets of nonconsolidated affiliates	0	0
Goodwill and intangible assets, net	0	0
Total assets	(55,702)	(53,147)
Depreciation and amortization	0	0
Impairment charges	0	0
Equity income (loss)	$ 0	$ 0

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.