Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Goodwill Information
Goodwill acquired during the period	$ 255	$ 978
Goodwill acquired during the period which is deductible for tax purposes	7	1
Increase (decrease) in goodwill related to preliminary allocation of purchase price for prior acquisitions	4	2
Goodwill
Balance at the beginning of the period	6,820	5,832
Acquisition activity	259	980
Translation and other	(32)	8
Balance at the end of the period	7,047	6,820
Industrial and Transportation
Goodwill
Balance at the beginning of the period	1,783	1,757
Acquisition activity	205	8
Translation and other	(27)	18
Balance at the end of the period	1,961	1,783
Health Care
Goodwill
Balance at the beginning of the period	1,506	1,007
Acquisition activity	3	520
Translation and other	5	(21)
Balance at the end of the period	1,514	1,506
Display and Graphics
Goodwill
Balance at the beginning of the period	994	990
Acquisition activity	4
Translation and other	(5)	4
Balance at the end of the period	993	994
Consumer and Office
Goodwill
Balance at the beginning of the period	187	155
Acquisition activity	42	24
Translation and other	(1)	8
Balance at the end of the period	228	187
Safety, Security and Protection Services
Goodwill
Balance at the beginning of the period	1,670	1,220
Acquisition activity	(1)	428
Translation and other	6	22
Balance at the end of the period	1,675	1,670
Electro and Communications
Goodwill
Balance at the beginning of the period	680	703
Acquisition activity	6
Translation and other	(10)	(23)
Balance at the end of the period	$ 676	$ 680