Consolidated Statements Of Stockholders' Equity (USD $) In Millions, except Share data	Common Stock And Additional Paid-In Capital [Member]	Fair Value Adjustment To Available For Sale Securities, Net Of Tax [Member]	Foreign Currency Translation Adjustments, Net Of Tax [Member]	Retirement Benefits Adjustments, Net Of Tax [Member]	Other Items, Net Of Tax [Member]	Retained Earnings [Member]	Noncontrolling Interests [Member]	Comprehensive Earnings (Loss) [Member]	Total
Balance at Dec. 31, 2008	$ 7,834	$ 2	$ (133)	$ (2,067)	$ (7)	$ 3,878	$ 88
Balance (in shares) at Dec. 31, 2008	325,300,000
Net earnings (loss)						(51)	23	(28)	(28)
Net unrealized gains (loss) on securities, net of tax		68						68
Foreign currency translation adjustments, net of tax			70					70
Amortization of retirement benefit adjustments, net of tax				(65)				(65)
Year-end and other retirement adjustments, net of tax				(163)				(163)
Issuance of common stock and stock options exercised	111
Issuance of common stock and stock options exercised (in shares)	5,300,000								206,000
Tax benefit (shortfalls) from stock-based compensation	(12)
Share-based compensation expense	301
Net gain (loss) on derivative instruments, net of tax					9			9
Distribution of Motorola Mobility									0
Dividends paid to noncontrolling interest on subsidiary common stock							(3)
Balance at Dec. 31, 2009	8,234	70	(63)	(2,295)	2	3,827	108	(109)
Balance (in shares) at Dec. 31, 2009	330,600,000
Net earnings (loss)						633	17	650	650
Net unrealized gains (loss) on securities, net of tax		(58)						(58)
Foreign currency translation adjustments, net of tax			(63)					(63)
Amortization of retirement benefit adjustments, net of tax				112				112
Mid-year remeasurement of retirement benefits, net of tax				(28)				(28)
Plan amendment, net of tax				22				22
Year-end and other retirement adjustments, net of tax				81				81
Issuance of common stock and stock options exercised	144
Issuance of common stock and stock options exercised (in shares)	6,600,000								1,559,000
Tax benefit (shortfalls) from stock-based compensation	(63)
Share-based compensation expense	308
Net gain (loss) on derivative instruments, net of tax					(2)			(2)
Distribution of Motorola Mobility									0
Dividends paid to noncontrolling interest on subsidiary common stock							(23)
Reclassification of share-based awards from liability to equity	24
Balance at Dec. 31, 2010	8,647	12	(126)	(2,108)	0	4,460	102	714	10,987
Balance (in shares) at Dec. 31, 2010	337,200,000
Net earnings (loss)						1,158	(6)	1,152	1,152
Net unrealized gains (loss) on securities, net of tax		(2)						(2)
Foreign currency translation adjustments, net of tax			19					19
Amortization of retirement benefit adjustments, net of tax				132				132
Mid-year remeasurement of retirement benefits, net of tax				(77)				(77)
Year-end and other retirement adjustments, net of tax				(723)				(723)
Issuance of common stock and stock options exercised	152
Issuance of common stock and stock options exercised (in shares)	9,400,000								4,475,000
Share repurchase program, shares	(26,600,000)
Share repurchase program, value	(1,110)
Tax benefit (shortfalls) from stock-based compensation	42
Share-based compensation expense	181
Net gain (loss) on derivative instruments, net of tax					(3)			(3)
Distribution of Motorola Mobility	(836)	(9)	1	8		(4,460)			3,425
Dividends paid to noncontrolling interest on subsidiary common stock							(8)
Sale of noncontrolling interest on subsidiary common stock							(27)
Purchase of noncontrolling interest in subsidiary							(1)
Reclassification of share-based awards from liability to equity	(2)
Dividends declared						(142)
Balance at Dec. 31, 2011	$ 7,074	$ 1	$ (106)	$ (2,768)	$ (3)	$ 1,016	$ 60	$ 498	$ 5,274
Balance (in shares) at Dec. 31, 2011	320,000,000