Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Other Intangible Assets [Abstract]

Carrying Amount of Goodwill by Segment

	Display		Optical		Specialty		Life		All
	Technologies		Communications		Materials		Sciences		Other		Total
Balance at December 31, 2017	$	136	$	671	$	150	$	623	$	114	$	1,694
Acquired goodwill (1)				242				2				244
Measurement period    adjustment				11								11
Foreign currency translation    adjustment		(4)		(7)				(6)		(2)		(19)
Balance at September 30, 2018	$	132	$	917	$	150	$	619	$	112	$	1,930

(1)The Company completed the acquisition of 3M’s Communications Market Division in the Optical Communications segment during the second quarter of 2018.  Refer to Note 8 (Acquisitions) to the Consolidated Financial Statements for additional information on this acquisition.

Other Intangible Assets

	September 30, 2018						December 31, 2017
			Accumulated						Accumulated
	Gross		amortization		Net		Gross		amortization		Net
Amortized intangible assets:
Patents, trademarks, and    trade names	$	465	$	198	$	267	$	382	$	188	$	194
Customer lists and other		1,299		257		1,042		884		209		675
Total	$	1,764	$	455	$	1,309	$	1,266	$	397	$	869