Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Net sales and revenue	$ 44,020	$ 43,014
Segment expenses and other items	(40,556)	(39,239)
Adjustments	26	96
Earnings (loss) before interest and taxes-adjusted	3,490	3,871
Adjustments	(26)	(96)
Net income (loss) attributable to noncontrolling interests	69	(27)
Income (loss) before income taxes	3,572	3,715
Income tax benefit (expense)	(719)	(762)
Net income (loss)	2,853	2,953
Net income (loss) attributable to stockholders	2,784	2,980
Equity in net assets of nonconsolidated affiliates	6,877	10,740	$ 7,102
Goodwill and intangibles	4,520	4,823	4,551
Total assets	282,104	276,591	$ 279,761
Expenditures for property	1,816	2,783
Depreciation and amortization	2,934	2,798
Impairment charges	0	0
Equity income (loss)	303	50
Operating Segments \| Cruise
Segment Reporting Information [Line Items]
Net sales and revenue	1	25
Segment expenses and other items	(274)	(468)
Adjustments	0	0
Earnings (loss) before interest and taxes-adjusted	(273)	(442)
Adjustments	0	0
Equity in net assets of nonconsolidated affiliates	0	0
Goodwill and intangibles	1	715
Total assets	251	3,977
Expenditures for property	2	12
Depreciation and amortization	5	5
Impairment charges	0	0
Equity income (loss)	0	0
Operating Segments \| GM Financial
Segment Reporting Information [Line Items]
Net sales and revenue	4,164	3,811
Segment expenses and other items	(3,479)	(3,075)
Adjustments	0	0
Earnings (loss) before interest and taxes-adjusted	685	737
Adjustments	0	0
Equity in net assets of nonconsolidated affiliates	1,226	1,670
Goodwill and intangibles	1,342	1,353
Total assets	141,056	131,998
Expenditures for property	4	4
Depreciation and amortization	1,212	1,253
Impairment charges	0	0
Equity income (loss)	12	32
Eliminations
Segment Reporting Information [Line Items]
Net sales and revenue	(5)	(34)
Segment expenses and other items	1	26
Adjustments	0	0
Earnings (loss) before interest and taxes-adjusted	(4)	(8)
Adjustments	0	0
Equity in net assets of nonconsolidated affiliates	0	0
Goodwill and intangibles	0	0
Total assets	(4,232)	(3,496)
Expenditures for property	0	39
Depreciation and amortization	0	0
Impairment charges	0	0
Equity income (loss)	0	0
Automotive
Segment Reporting Information [Line Items]
Automotive interest income	191	186
Automotive interest expense	(152)	(219)
Automotive \| Operating Segments
Segment Reporting Information [Line Items]
Net sales and revenue	39,860	39,212
Segment expenses and other items	(36,804)	(35,723)
Adjustments	26	96
Earnings (loss) before interest and taxes-adjusted	3,081	3,585
Adjustments	(26)	(96)
Equity in net assets of nonconsolidated affiliates	5,651	9,069
Goodwill and intangibles	3,177	2,755
Total assets	145,030	144,111
Expenditures for property	1,809	2,728
Depreciation and amortization	1,716	1,540
Impairment charges	0	0
Equity income (loss)	291	19
Automotive \| Operating Segments \| GMNA
Segment Reporting Information [Line Items]
Net sales and revenue	37,388	36,099
Segment expenses and other items	(34,101)	(32,355)
Adjustments	0	96
Earnings (loss) before interest and taxes-adjusted	3,286	3,840
Adjustments	0	(96)
Equity in net assets of nonconsolidated affiliates	3,970	2,885
Goodwill and intangibles	2,508	2,054
Total assets	170,812	158,677
Expenditures for property	1,705	2,631
Depreciation and amortization	1,588	1,409
Impairment charges	0	0
Equity income (loss)	242	127
Automotive \| Operating Segments \| GMI
Segment Reporting Information [Line Items]
Net sales and revenue	2,427	3,082
Segment expenses and other items	(2,397)	(3,092)
Adjustments	0	0
Earnings (loss) before interest and taxes-adjusted	30	(10)
Adjustments	0	0
Equity in net assets of nonconsolidated affiliates	1,492	6,184
Goodwill and intangibles	669	701
Total assets	21,428	25,777
Expenditures for property	94	93
Depreciation and amortization	102	125
Impairment charges	0	0
Equity income (loss)	49	(108)
Automotive \| Corporate
Segment Reporting Information [Line Items]
Net sales and revenue	46	32
Segment expenses and other items	(306)	(277)
Adjustments	26	0
Earnings (loss) before interest and taxes-adjusted	(234)	(245)
Adjustments	(26)	0
Equity in net assets of nonconsolidated affiliates	190	0
Goodwill and intangibles	0	0
Total assets	40,355	38,991
Expenditures for property	11	4
Depreciation and amortization	27	5
Impairment charges	0	0
Equity income (loss)	0	0
Automotive \| Eliminations
Segment Reporting Information [Line Items]
Net sales and revenue	0	0
Segment expenses and other items	0	0
Adjustments	0	0
Earnings (loss) before interest and taxes-adjusted	0	0
Adjustments	0	0
Equity in net assets of nonconsolidated affiliates	0	0
Goodwill and intangibles	0	0
Total assets	(87,565)	(79,334)
Expenditures for property	0	0
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.