Goodwill and Intangible Assets (Goodwill balance by business segment) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)
Goodwill
Balance at the beginning of the period	$ 9,249
Acquisition activity	3
Translation and other	123
Balance at the end of the period	9,375
Industrial
Goodwill
Balance at the beginning of the period	2,573
Translation and other	51
Balance at the end of the period	2,624
Safety and Graphics
Goodwill
Balance at the beginning of the period	3,342
Acquisition activity	3
Translation and other	32
Balance at the end of the period	3,377
Health Care
Goodwill
Balance at the beginning of the period	1,624
Translation and other	20
Balance at the end of the period	1,644
Electronics and Energy
Goodwill
Balance at the beginning of the period	1,510
Translation and other	14
Balance at the end of the period	1,524
Consumer
Goodwill
Balance at the beginning of the period	200
Translation and other	6
Balance at the end of the period	$ 206