Business Segments (Segment information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Business Segment Information
Net sales	$ 7,916	$ 7,497	$ 23,302	$ 22,517
Operating Income	1,739	1,678	5,087	5,040
Business Segments | Industrial
Business Segment Information
Net sales	2,674	2,462	8,012	7,519
Operating Income	568	568	1,743	1,751
Business Segments | Safety and Graphics
Business Segment Information
Net sales	1,448	1,357	4,318	4,165
Operating Income	315	295	983	997
Business Segments | Electronics and Energy
Business Segment Information
Net sales	1,449	1,414	4,066	4,118
Operating Income	300	291	733	807
Business Segments | Health Care
Business Segment Information
Net sales	1,328	1,259	3,975	3,811
Operating Income	426	399	1,247	1,212
Business Segments | Consumer
Business Segment Information
Net sales	1,153	1,129	3,332	3,272
Operating Income	247	246	719	710
Corporate and Unallocated
Business Segment Information
Net sales	2	1	6	4
Operating Income	(87)	(93)	(249)	(355)
Elimination of Dual Credit
Business Segment Information
Net sales	(138)	(125)	(407)	(372)
Operating Income	$ (30)	$ (28)	$ (89)	$ (82)