Business Segments (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012 Segment	Mar. 31, 2011
Business Segments
Number of operating business segments	6
Business Segment Information
Net sales	$ 7,486	$ 7,311
Operating Income	1,634	1,578
Industrial and Transportation
Business Segment Information
Net sales	2,660	2,450
Operating Income	600	516
Health Care
Business Segment Information
Net sales	1,280	1,255
Operating Income	402	369
Consumer and Office
Business Segment Information
Net sales	1,043	1,000
Operating Income	234	215
Safety, Security and Protection Services
Business Segment Information
Net sales	981	929
Operating Income	231	199
Display and Graphics
Business Segment Information
Net sales	832	943
Operating Income	163	230
Electro and Communications
Business Segment Information
Net sales	808	836
Operating Income	168	178
Corporate and Unallocated
Business Segment Information
Net sales	1	5
Operating Income	(138)	(105)
Elimination of Dual Credit
Business Segment Information
Net sales	(119)	(107)
Operating Income	$ (26)	$ (24)