Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue [Abstract]

Disaggregation of Revenue

	Years ended December 31,
	2019		2018		2017
Display products	$	3,180	$	3,168	$	2,997
Telecommunication products		4,064		4,192		3,545
Specialty glass products		1,594		1,479		1,403
Environmental substrate and filter products		1,440		1,289		1,106
Life science products		995		946		879
All Other		230		216		186
Total Revenue	$	11,503	$	11,290	$	10,116
Constant-currency adjustment (1)		153		108		142
Net sales of reportable segments and All Other	$	11,656	$	11,398	$	10,258

(1)This amount primarily represents the impact of foreign currency adjustments in the Display Technologies and Environmental Technologies segments.