Goodwill and Other Intangible Assets (Carrying Amount of Goodwill by Segment) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($)
Balance	$ 1,577
Acquired goodwill	34
Measurement period adjustment	(28)
Foreign currency translation adjustment	25
Balance	1,608
Display Technologies [Member]
Balance	126
Foreign currency translation adjustment	4
Balance	130
Optical Communications [Member]
Balance	645
Foreign currency translation adjustment	2
Balance	647
Specialty Materials [Member]
Balance	150
Balance	150
Life Sciences [Member]
Balance	558
Foreign currency translation adjustment	13
Balance	571
All Other [Member]
Balance	98
Acquired goodwill	34
Measurement period adjustment	(28)
Foreign currency translation adjustment	6
Balance	$ 110