SEGMENT INFORMATION (Tables)

3 Months Ended

Mar. 31, 2021

Reconciliation of Revenue from Segments to Consolidated

The following table summarizes our Net sales by segment and geographic region (in millions). Corporate eliminations (shown below) largely reflect intercompany sales from Composites to Roofing. External customer sales are attributed to geographic region based upon the location from which the product is sold to the external customer.


	For the three months ended March 31, 2021
Reportable Segments	Composites		Insulation		Roofing		Eliminations		Consolidated
Disaggregation Categories
U.S. residential	$	75	$	263	$	659	$	(55)	$	942
U.S. commercial and industrial	146		162		22		—		330
Total United States	221		425		681		(55)		1,272
Europe	159		153		3		—		315
Asia-Pacific	138		36		3		—		177
Rest of world	41		86		24		—		151
NET SALES	$	559	$	700	$	711	$	(55)	$	1,915


	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
Total United States	217		373		520		(50)		1,060
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

Schedule of Earnings before Interest and Taxes

The following table summarizes EBIT by segment (in millions):


	Three Months Ended March 31,
	2021		2020
Reportable Segments
Composites	$	79	$	44
Insulation	82		39
Roofing	156		64
Total reportable segments	317		147
Restructuring costs	(1)		(5)
Gains on sale of certain precious metals	20		10
Goodwill impairment charge	—		(944)
Intangible assets impairment charge	—		(43)
General corporate expense and other	(35)		(31)
Total corporate, other and eliminations	(16)		(1,013)
EBIT	$	301	$	(866)