Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue [Abstract]

Disaggregation of Revenue

	Three months ended				Nine months ended
	September 30,				September 30,
	2020		2019		2020		2019
Display products	$	834	$	780	$	2,211	$	2,395
Telecommunication products		909		1,008		2,587		3,162
Specialty glass products		570		463		1,339		1,141
Environmental substrate and filter products		369		380		891		1,084
Life science products		220		250		707		744
All Other		99		53		218		160
Total revenue	$	3,001	$	2,934	$	7,953	$	8,686
Impact of foreign currency movements (1)		6		35		66		119
Cumulative adjustment related to customer contract						105
Net sales of reportable segments and All Other	$	3,007	$	2,969	$	8,124	$	8,805

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