Goodwill and Intangible Assets (Goodwill balance by business segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Goodwill Information
Increase (decrease) in goodwill related to preliminary allocation of purchase price for prior acquisitions	$ (6)
Goodwill
Balance at the beginning of the period	7,385
Acquisition activity	(6)
Translation and other	(132)
Balance at the end of the period	7,247
Industrial
Goodwill
Balance at the beginning of the period	2,174
Acquisition activity	(6)
Translation and other	(47)
Balance at the end of the period	2,121
Safety and Graphics
Goodwill
Balance at the beginning of the period	1,751
Acquisition activity	0
Translation and other	(29)
Balance at the end of the period	1,722
Electronics and Energy
Goodwill
Balance at the beginning of the period	1,622
Acquisition activity	0
Translation and other	(22)
Balance at the end of the period	1,600
Health Care
Goodwill
Balance at the beginning of the period	1,598
Acquisition activity	0
Translation and other	(26)
Balance at the end of the period	1,572
Consumer
Goodwill
Balance at the beginning of the period	240
Acquisition activity	0
Translation and other	(8)
Balance at the end of the period	$ 232