CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
NET EARNINGS	$ 101	$ 59
Currency translation adjustment (net of tax of $0 and $5 for the three months ended March 31, 2017 and 2016, respectively	36	34
Pension and other postretirement adjustment (net of tax of $(1) and $2 for the three months ended March 31, 2017 and 2016, respectively	0	10
Deferred (loss) gain on hedging (net of tax of $1 and $0 for the three months ended March 31, 2017 and 2016, respectively	(2)	1
COMPREHENSIVE EARNINGS	135	104
Net earnings attributable to noncontrolling interests	0	2
Comprehensive earnings attributable to noncontrolling interests	0	2
COMPREHENSIVE EARNINGS ATTRIBUTABLE TO OWENS CORNING	$ 135	$ 102