Goodwill and Intangible Assets (Goodwill balance by business segment) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)
Goodwill
Balance at the beginning of the period	$ 9,166
Translation and other	92
Balance at the end of the period	9,258
Industrial
Goodwill
Balance at the beginning of the period	2,536
Translation and other	41
Balance at the end of the period	2,577
Safety and Graphics
Goodwill
Balance at the beginning of the period	3,324
Translation and other	20
Balance at the end of the period	3,344
Health Care
Goodwill
Balance at the beginning of the period	1,609
Translation and other	18
Balance at the end of the period	1,627
Electronics and Energy
Goodwill
Balance at the beginning of the period	1,489
Translation and other	13
Balance at the end of the period	1,502
Consumer
Goodwill
Balance at the beginning of the period	208
Balance at the end of the period	$ 208