Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

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, 2016	$	126	$	645	$	150	$	558	$	98	$	1,577
Acquired goodwill (1)				22				43		34		99
Measurement period adjustment (2)				(1)				1		(28)		(28)
Foreign currency translation   adjustment		10		5				21		10		46
Balance at December 31, 2017	$	136	$	671	$	150	$	623	$	114	$	1,694
Acquired goodwill (3)				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

(1) The Company completed two small acquisitions in the third quarter of 2017 which are reported in the Optical Communications and Life Sciences segment and one small acquisition in the first quarter of 2017 which is reported in All Other.

(2) In the second quarter of 2017, the Company recorded measurement period adjustments of $28 million related to an acquisition completed in a previous period.

(3) The Company completed the acquisition of CMD during the second quarter and the fourth quarter of 2018.

Other Intangible Assets

	December 31,
	2018						2017
	Gross		Accumulated amortization		Net		Gross		Accumulated amortization		Net
Amortized intangible assets:
Patents, trademarks & trade   names	$	465	$	203	$	262	$	382	$	188	$	194
Customer list and other		1,308		278		1,030		884		209		675
Total	$	1,773	$	481	$	1,292	$	1,266	$	397	$	869