Consolidated Income Statements - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net sales and revenue
Automotive	$ 145,922	$ 151,092	$ 152,092
GM Financial	6,434	4,837	3,335
Total net sales and revenue	152,356	155,929	155,427
Costs and expenses
Automotive cost of sales	128,321	138,082	134,925
GM Financial interest, operating and other expenses	5,733	4,039	2,448
Automotive selling, general and administrative expense	13,405	12,158	12,382
Goodwill impairment charges	0	120	541
Total costs and expenses	147,459	154,399	150,296
Operating income	4,897	1,530	5,131
Automotive interest expense	2,059	1,829	1,049
Interest income and other non-operating income, net	621	823	1,063
Gain (loss) on extinguishment of debt	449	202	(212)
Equity Income	2,194	2,094	1,810
Income before income taxes	7,718	4,246	7,458
Income tax expense (benefit)	(1,897)	228	2,127
Net income	9,615	4,018	5,331
Net (income) loss attributable to noncontrolling interests	72	(69)	15
Net income attributable to stockholders	9,687	3,949	5,346
Net income attributable to common stockholders	$ 9,687	$ 2,804	$ 3,770
Basic Earnings per Common Share
Basic earnings per common share	$ 6.11	$ 1.75	$ 2.71
Weighted-average common shares outstanding	1,586	1,605	1,393
Diluted Earnings per Common Share
Diluted earnings per common share	$ 5.91	$ 1.65	$ 2.38
Weighted-average common shares outstanding	1,640	1,687	1,676
Automotive [Member]
Costs and expenses
Automotive interest expense	$ 443	$ 403	$ 334
Gain (loss) on extinguishment of debt	$ 449	$ 202	$ (212)