REVENUE (Tables)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table shows a disaggregation of Net sales (in millions):

	For the three months ended September 30, 2019
Reportable Segments	Composites		Insulation		Roofing		Eliminations		Consolidated
Disaggregation Categories
U.S. residential	$	75	$	237	$	641	$	(53)	$	900
U.S. commercial and industrial	159		168		46		—		373
Europe	142		165		3		—		310
Asia-Pacific	120		46		4		(1)		169
Rest of world	35		77		19		—		131
NET SALES	$	531	$	693	$	713	$	(54)	$	1,883

	For the three months ended September 30, 2018
Reportable Segments	Composites		Insulation		Roofing		Eliminations		Consolidated
Disaggregation Categories
U.S. residential	$	62	$	260	$	560	$	(40)	$	842
U.S. commercial and industrial	157		161		52		(4)		366
Europe	142		159		3		—		304
Asia-Pacific	115		47		4		—		166
Rest of world	32		83		26		(1)		140
NET SALES	$	508	$	710	$	645	$	(45)	$	1,818

	For the nine months ended September 30, 2019
Reportable Segments	Composites		Insulation		Roofing		Eliminations		Consolidated
Disaggregation Categories
U.S. residential	$	217	$	649	$	1,900	$	(156)	$	2,610
U.S. commercial and industrial	472		480		108		—		1,060
Europe	442		469		10		(1)		920
Asia-Pacific	351		132		10		(1)		492
Rest of world	97		215		77		(3)		386
NET SALES	$	1,579	$	1,945	$	2,105	$	(161)	$	5,468

	For the nine months ended September 30, 2018
Reportable Segments	Composites		Insulation		Roofing		Eliminations		Consolidated
Disaggregation Categories
U.S. residential	$	213	$	708	$	1,696	$	(146)	$	2,471
U.S. commercial and industrial	452		469		141		(8)		1,054
Europe	455		444		10		—		909
Asia-Pacific	343		131		11		(1)		484
Rest of world	97		236		88		(6)		415
NET SALES	$	1,560	$	1,988	$	1,946	$	(161)	$	5,333