Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Other Intangible Assets [Abstract]

Carrying Amount of Goodwill by Segment

	Display ‎ Technologies		Optical ‎ Communications		Specialty ‎Materials		Life ‎Sciences		All ‎Other		Total
Balance at December 31, 2017	$	136	$	671	$	150	$	623	$	114	$	1,694
Acquired goodwill (1)				257				2				259
Measurement period adjustment				11								11
Foreign currency translation ‎  adjustment		(4)		(13)				(8)		(3)		(28)
Balance at December 31, 2018	$	132	$	926	$	150	$	617	$	111	$	1,936
Measurement period adjustment				3								3
Foreign currency translation ‎  adjustment		(3)		2				(1)		(2)		(4)
Balance at December 31, 2019	$	129	$	931	$	150	$	616	$	109	$	1,935

Other Intangible Assets

	December 31,
	2019						2018
	Gross		Accumulated ‎amortization		Net		Gross		Accumulated ‎amortization		Net
Amortized intangible assets:
Patents, trademarks & trade ‎  names	$	469	$	228	$	241	$	465	$	203	$	262
Customer list and other		1,301		357		944		1,308		278		1,030
Total	$	1,770	$	585	$	1,185	$	1,773	$	481	$	1,292