Business Segments (Segment information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Business Segment Information
Net sales	$ 7,752	$ 7,534	$ 15,386	$ 15,020
Operating Income	1,702	1,728	3,348	3,362
Business Segments | Industrial
Business Segment Information
Net sales	2,663	2,499	5,338	5,057
Operating Income	599	592	1,175	1,183
Business Segments | Safety and Graphics
Business Segment Information
Net sales	1,453	1,421	2,870	2,808
Operating Income	333	368	668	702
Business Segments | Electronics and Energy
Business Segment Information
Net sales	1,340	1,384	2,617	2,704
Operating Income	237	282	433	516
Business Segments | Health Care
Business Segment Information
Net sales	1,336	1,277	2,647	2,552
Operating Income	417	412	821	813
Business Segments | Consumer
Business Segment Information
Net sales	1,098	1,083	2,179	2,143
Operating Income	235	227	472	464
Corporate and Unallocated
Business Segment Information
Net sales	2	1	4	3
Operating Income	(88)	(124)	(162)	(262)
Elimination of Dual Credit
Business Segment Information
Net sales	(140)	(131)	(269)	(247)
Operating Income	$ (31)	$ (29)	$ (59)	$ (54)