REVENUE

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

REVENUE

REVENUE

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

	For the three months ended March 31, 2020
Reportable Segments	Composites		Insulation		Roofing		Eliminations		Consolidated
Disaggregation Categories
U.S. residential	$	66	$	211	$	492	$	(50)	$	719
U.S. commercial and industrial	151		162		28		—		341
Europe	141		143		4		(1)		287
Asia-Pacific	105		20		3		—		128
Rest of world	31		67		28		—		126
NET SALES	$	494	$	603	$	555	$	(51)	$	1,601

	For the three months ended March 31, 2019
Reportable Segments	Composites		Insulation		Roofing		Eliminations		Consolidated
Disaggregation Categories
U.S. residential	$	67	$	196	$	551	$	(48)	$	766
U.S. commercial and industrial	154		155		25		—		334
Europe	150		143		4		(1)		296
Asia-Pacific	112		34		3		—		149
Rest of world	30		63		31		(2)		122
NET SALES	$	513	$	591	$	614	$	(51)	$	1,667

As of December 31, 2019, our contract liability balances (for extended warranties, down payments and deposits, collectively) totaled $60 million, of which $12 million was recognized as revenue in the first three months of 2020. As of March 31, 2020, our contract liability balances totaled $63 million.