Goodwill and Intangible Assets (Goodwill balance by business segment) (Details) - USD ($)	3 Months Ended	6 Months Ended
	Mar. 31, 2017	Jun. 30, 2017
Goodwill
Balance at the beginning of the period	$ 9,166,000,000	$ 9,166,000,000
Divestiture activity		(276,000,000)
Translation and other		215,000,000
Balance at the end of the period		9,105,000,000
Amount of Goodwill impairment	0
Industrial
Goodwill
Balance at the beginning of the period	2,536,000,000	2,536,000,000
Translation and other		93,000,000
Balance at the end of the period		2,629,000,000
Safety and Graphics
Goodwill
Balance at the beginning of the period	3,324,000,000	3,324,000,000
Divestiture activity		(276,000,000)
Translation and other		54,000,000
Balance at the end of the period		3,102,000,000
Health Care
Goodwill
Balance at the beginning of the period	1,609,000,000	1,609,000,000
Translation and other		41,000,000
Balance at the end of the period		1,650,000,000
Electronics and Energy
Goodwill
Balance at the beginning of the period	1,489,000,000	1,489,000,000
Translation and other		26,000,000
Balance at the end of the period		1,515,000,000
Consumer
Goodwill
Balance at the beginning of the period	$ 208,000,000	208,000,000
Translation and other		1,000,000
Balance at the end of the period		$ 209,000,000