Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Goodwill Information
Goodwill acquired during the period	$ 327	$ 255
Goodwill acquired during the period which is deductible for tax purposes	41	7
Increase (decrease) in goodwill related to preliminary allocation of purchase price for prior acquisitions	12	4
Goodwill
Balance at the beginning of the period	7,047	6,820
Acquisition activity	339	259
Translation and other	(1)	(32)
Balance at the end of the period	7,385	7,047
Industrial and Transportation
Goodwill
Balance at the beginning of the period	1,961	1,783
Acquisition activity	204	205
Translation and other	19	(27)
Balance at the end of the period	2,184	1,961
Health Care
Goodwill
Balance at the beginning of the period	1,514	1,506
Acquisition activity	88	3
Translation and other	(4)	5
Balance at the end of the period	1,598	1,514
Consumer and Office
Goodwill
Balance at the beginning of the period	228	187
Acquisition activity	6	42
Translation and other	(1)	(1)
Balance at the end of the period	233	228
Safety, Security and Protection Services
Goodwill
Balance at the beginning of the period	1,675	1,670
Acquisition activity	0	(1)
Translation and other	6	6
Balance at the end of the period	1,681	1,675
Display and Graphics
Goodwill
Balance at the beginning of the period	993	994
Acquisition activity	41	4
Translation and other	(18)	(5)
Balance at the end of the period	1,016	993
Electro and Communications
Goodwill
Balance at the beginning of the period	676	680
Acquisition activity	0	6
Translation and other	(3)	(10)
Balance at the end of the period	$ 673	$ 676