Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Goodwill Information
Increase (decrease) in goodwill related to preliminary allocation of purchase price for prior acquisitions	$ 12
Goodwill
Balance at the beginning of the period	7,047
Acquisition activity	12
Translation and other	31
Balance at the end of the period	7,090
Industrial and Transportation
Goodwill
Balance at the beginning of the period	1,961
Acquisition activity	6
Translation and other	26
Balance at the end of the period	1,993
Health Care
Goodwill
Balance at the beginning of the period	1,514
Translation and other	5
Balance at the end of the period	1,519
Consumer and Office
Goodwill
Balance at the beginning of the period	228
Acquisition activity	6
Translation and other	3
Balance at the end of the period	237
Safety, Security and Protection Services
Goodwill
Balance at the beginning of the period	1,675
Translation and other	4
Balance at the end of the period	1,679
Display and Graphics
Goodwill
Balance at the beginning of the period	993
Translation and other	(8)
Balance at the end of the period	985
Electro and Communications
Goodwill
Balance at the beginning of the period	676
Translation and other	1
Balance at the end of the period	$ 677