v2.4.0.6

Segment Reporting (Details) (USD $)	3 Months Ended		6 Months Ended			3 Months Ended			6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended			6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jun. 30, 2012 Automotive [Member]	Mar. 31, 2012 Automotive [Member]	Jun. 30, 2011 Automotive [Member]	Jun. 30, 2012 Automotive [Member]	Jun. 30, 2011 Automotive [Member]	Jun. 30, 2012 GM Financial [Member]	Jun. 30, 2011 GM Financial [Member]	Jun. 30, 2012 GM Financial [Member]	Jun. 30, 2011 GM Financial [Member]	Jun. 30, 2012 Corporate Elimination [Member]	Jun. 30, 2011 Corporate Elimination [Member]	Jun. 30, 2012 Corporate Elimination [Member]	Jun. 30, 2011 Corporate Elimination [Member]	Jun. 30, 2012 GMNA [Member] Automotive [Member]	Jun. 30, 2011 GMNA [Member] Automotive [Member]	Jun. 30, 2012 GMNA [Member] Automotive [Member]	Jun. 30, 2011 GMNA [Member] Automotive [Member]	Jun. 30, 2012 GME [Member] Automotive [Member]	Jun. 30, 2011 GME [Member] Automotive [Member]	Jun. 30, 2012 GME [Member] Automotive [Member]	Jun. 30, 2011 GME [Member] Automotive [Member]	Jun. 30, 2012 GMIO [Member] Automotive [Member]	Jun. 30, 2011 GMIO [Member] Automotive [Member]	Jun. 30, 2012 GMIO [Member] Automotive [Member]	Jun. 30, 2011 GMIO [Member] Automotive [Member]	Jun. 30, 2012 GMSA [Member] Automotive [Member]	Jun. 30, 2011 GMSA [Member] Automotive [Member]	Jun. 30, 2012 GMSA [Member] Automotive [Member]	Jun. 30, 2011 GMSA [Member] Automotive [Member]	Jun. 30, 2012 Corporate [Member] Automotive [Member]	Jun. 30, 2011 Corporate [Member] Automotive [Member]	Jun. 30, 2012 Corporate [Member] Automotive [Member]	Jun. 30, 2011 Corporate [Member] Automotive [Member]	Jun. 30, 2012 Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2011 Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2012 Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2011 Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member]	Jun. 30, 2011 Long-lived assets [Member]	Jun. 30, 2012 Long-lived assets [Member]	Jun. 30, 2011 Long-lived assets [Member]	Jun. 30, 2012 Long-lived assets [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] GM Financial [Member]	Jun. 30, 2011 Long-lived assets [Member] GM Financial [Member]	Jun. 30, 2012 Long-lived assets [Member] GM Financial [Member]	Jun. 30, 2011 Long-lived assets [Member] GM Financial [Member]	Jun. 30, 2012 Long-lived assets [Member] Corporate Elimination [Member]	Jun. 30, 2011 Long-lived assets [Member] Corporate Elimination [Member]	Jun. 30, 2012 Long-lived assets [Member] Corporate Elimination [Member]	Jun. 30, 2011 Long-lived assets [Member] Corporate Elimination [Member]	Jun. 30, 2012 Long-lived assets [Member] GMNA [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] GMNA [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] GMNA [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] GMNA [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] GME [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] GME [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] GME [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] GME [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] GMIO [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] GMIO [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] GMIO [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] GMIO [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] GMSA [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] GMSA [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] GMSA [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] GMSA [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] Corporate [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] Corporate [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] Corporate [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] Corporate [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2012 Long-lived assets [Member] Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2011 Long-lived assets [Member] Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GM Financial [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GM Financial [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GM Financial [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GM Financial [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] Corporate Elimination [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] Corporate Elimination [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] Corporate Elimination [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] Corporate Elimination [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GMNA [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GMNA [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GMNA [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GMNA [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GME [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GME [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GME [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GME [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GMIO [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GMIO [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GMIO [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GMIO [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GMSA [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GMSA [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] GMSA [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] GMSA [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] Corporate [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] Corporate [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] Corporate [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] Corporate [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2012 Equipment on Operating Leases [Member] Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2011 Equipment on Operating Leases [Member] Intersegment Elimination [Member] Automotive [Member]	Jun. 30, 2012 New Delphi [Member]	Jun. 30, 2011 New Delphi [Member]	Mar. 31, 2011 New Delphi [Member]	Jun. 30, 2012 New Delphi [Member]	Jun. 30, 2011 New Delphi [Member]	Jun. 30, 2011 New Delphi [Member] GMNA [Member] Automotive [Member]	Jun. 30, 2011 HKJV [Member] GMIO [Member] Automotive [Member]	Jun. 30, 2011 Ally Financial [Member] Corporate [Member] Automotive [Member]	Jun. 30, 2012 Parent [Member] GMIO [Member] Automotive [Member]
Revenue and others for Reportable Segment [Abstract]
External customers	$ 37,127,000,000	$ 39,043,000,000	$ 74,455,000,000	$ 74,942,000,000		$ 37,127,000,000		$ 39,043,000,000	$ 74,455,000,000	$ 74,942,000,000	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 21,553,000,000	$ 22,097,000,000	$ 44,728,000,000	$ 43,380,000,000	$ 5,532,000,000	$ 7,128,000,000	$ 10,787,000,000	$ 13,390,000,000	$ 5,915,000,000	$ 5,505,000,000	$ 10,931,000,000	$ 9,997,000,000	$ 4,117,000,000	$ 4,299,000,000	$ 7,984,000,000	$ 8,145,000,000	$ 10,000,000	$ 14,000,000	$ 25,000,000	$ 30,000,000	$ 0	$ 0	$ 0	$ 0
GM Financial revenue	487,000,000	330,000,000	918,000,000	625,000,000		0		0	0	0	487,000,000	330,000,000	918,000,000	625,000,000	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Intersegment	0	0	0	0		(1,000,000)		0	(1,000,000)	0	0	0	0	0	1,000,000	0	1,000,000	0	1,347,000,000	1,031,000,000	2,348,000,000	1,858,000,000	362,000,000	331,000,000	620,000,000	939,000,000	1,030,000,000	897,000,000	2,074,000,000	1,613,000,000	62,000,000	64,000,000	134,000,000	114,000,000	0	0	0	0	(2,802,000,000)	(2,323,000,000)	(5,177,000,000)	(4,524,000,000)
Total net sales and revenue	37,614,000,000	39,373,000,000	75,373,000,000	75,567,000,000		37,126,000,000		39,043,000,000	74,454,000,000	74,942,000,000	487,000,000	330,000,000	918,000,000	625,000,000	1,000,000	0	1,000,000	0	22,900,000,000	23,128,000,000	47,076,000,000	45,238,000,000	5,894,000,000	7,459,000,000	11,407,000,000	14,329,000,000	6,945,000,000	6,402,000,000	13,005,000,000	11,610,000,000	4,179,000,000	4,363,000,000	8,118,000,000	8,259,000,000	10,000,000	14,000,000	25,000,000	30,000,000	(2,802,000,000)	(2,323,000,000)	(5,177,000,000)	(4,524,000,000)
Income (loss) before automotive interest and income taxes-adjusted	2,119,000,000	2,962,000,000	4,301,000,000	5,004,000,000		1,902,000,000		2,818,000,000	3,903,000,000	4,730,000,000	217,000,000	144,000,000	398,000,000	274,000,000	0	0	0	0	1,965,000,000	2,249,000,000	3,656,000,000	3,502,000,000	(361,000,000)	102,000,000	(617,000,000)	107,000,000	557,000,000	573,000,000	1,086,000,000	1,159,000,000	(19,000,000)	57,000,000	64,000,000	147,000,000	(236,000,000)	(138,000,000)	(255,000,000)	(158,000,000)	(4,000,000)	(25,000,000)	(31,000,000)	(27,000,000)
Adjustments	0	0	(612,000,000)	1,483,000,000		0		0	(612,000,000)	1,483,000,000	0	0	0	0	0	0	0	0	0	0	0	1,645,000,000	0	0	(590,000,000)	(395,000,000)	0	0	(22,000,000)	(106,000,000)	0	0	0	0	0	0	0	339,000,000	0	0	0	0
Corporate interest income	86,000,000	124,000,000	175,000,000	251,000,000																															86,000,000	124,000,000	175,000,000	251,000,000
Automotive interest expense	118,000,000	155,000,000	228,000,000	304,000,000																															118,000,000	155,000,000	228,000,000	304,000,000
Gains (Losses) on Extinguishment of Debt	0	(10,000,000)	(18,000,000)	(10,000,000)			(18,000,000)						0																								(18,000,000)
Income (loss) before income taxes	2,087,000,000	2,931,000,000	3,618,000,000	6,434,000,000							217,000,000	144,000,000	398,000,000	274,000,000																					(268,000,000)	(169,000,000)	(326,000,000)	128,000,000
Income tax expense (benefit)	241,000,000	(61,000,000)	457,000,000	76,000,000							109,000,000	(17,000,000)	183,000,000	54,000,000																					132,000,000	(44,000,000)	274,000,000	22,000,000
Net income (loss) attributable to stockholders	1,846,000,000	2,992,000,000	3,161,000,000	6,358,000,000							108,000,000	161,000,000	215,000,000	220,000,000																					(400,000,000)	(125,000,000)	(600,000,000)	106,000,000
Equity in net assets of nonconsolidated affiliates	7,058,000,000		7,058,000,000		6,790,000,000	7,058,000,000			7,058,000,000		0		0		0		0		64,000,000		64,000,000		49,000,000		49,000,000		6,942,000,000		6,942,000,000		3,000,000		3,000,000		0		0		0		0
Expenditures for property			4,059,000,000	2,498,000,000					4,052,000,000	2,494,000,000			7,000,000	4,000,000			0	0			2,241,000,000	1,247,000,000			624,000,000	440,000,000			616,000,000	428,000,000			538,000,000	357,000,000			33,000,000	26,000,000			0	(4,000,000)
Total Assets	151,987,000,000		151,987,000,000		144,603,000,000	137,880,000,000			137,880,000,000		14,673,000,000		14,673,000,000		(566,000,000)		(566,000,000)		89,874,000,000		89,874,000,000		15,872,000,000		15,872,000,000		23,481,000,000		23,481,000,000		12,629,000,000		12,629,000,000		29,804,000,000		29,804,000,000		(33,780,000,000)		(33,780,000,000)
Depreciation, amortization and impairment of long-lived assets and finite-lived intangible assets	1,520,000,000	1,634,000,000	2,988,000,000	3,210,000,000		1,468,000,000		1,615,000,000	2,895,000,000	3,177,000,000	54,000,000	19,000,000	97,000,000	33,000,000	(2,000,000)	0	(4,000,000)	0	894,000,000	990,000,000	1,782,000,000	1,967,000,000	295,000,000	374,000,000	575,000,000	714,000,000	149,000,000	123,000,000	278,000,000	239,000,000	117,000,000	115,000,000	235,000,000	231,000,000	14,000,000	13,000,000	26,000,000	26,000,000	(1,000,000)	0	(1,000,000)	0
Equity income, net of tax and gain on disposal of investments	300,000,000	382,000,000	723,000,000	2,526,000,000		300,000,000		382,000,000	723,000,000	2,526,000,000	0	0	0	0	0	0	0	0	2,000,000	3,000,000	4,000,000	1,732,000,000	0	0	0	0	298,000,000	379,000,000	719,000,000	794,000,000	0	0	0	0	0	0	0	0	0	0	0	0																																																																																	0	0		0	1,727,000,000
Significant non-cash charges not classified as adjustments in [Abstract]
Impairment Charges																																											23,000,000	18,000,000	54,000,000	44,000,000	23,000,000	18,000,000	54,000,000	44,000,000	0	0	0	0	0	0	0	0	21,000,000	17,000,000	45,000,000	40,000,000	0	0	0	0	2,000,000	0	8,000,000	2,000,000	0	1,000,000	1,000,000	2,000,000	0	0	0	0	0	0	0	0	75,000,000	74,000,000	130,000,000	113,000,000	75,000,000	74,000,000	130,000,000	113,000,000	0	0	0	0	0	0	0	0	14,000,000	45,000,000	34,000,000	60,000,000	61,000,000	29,000,000	96,000,000	53,000,000	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Total significant non-cash charges	98,000,000	92,000,000	184,000,000	157,000,000		98,000,000		92,000,000	184,000,000	157,000,000	0	0	0	0	0	0	0	0	35,000,000	62,000,000	79,000,000	100,000,000	61,000,000	29,000,000	96,000,000	53,000,000	2,000,000	0	8,000,000	2,000,000	0	1,000,000	1,000,000	2,000,000	0	0	0	0	0	0	0	0
Goodwill impairment charges	0	0	(617,000,000)	(395,000,000)		0		0	(617,000,000)	(395,000,000)	0	0	0	0					0	0	0	0	0	0	(590,000,000)	(395,000,000)	0	0	(27,000,000)	0	0	0	0	0																																																																																																	(22,000,000)
Gain on sale of New Delphi Class A membership interest																																																																																																																													1,600,000,000			1,600,000,000
Charges related to HKJV																																																																																																																																	(106,000,000)
Gain on sale of Ally Financial preferred stock																																																																																																																																		$ 339,000,000

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Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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