CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
NET EARNINGS (LOSS)	$ 1,241	$ 995	$ (385)
Currency translation adjustment (net of tax of $(1), $(3) and $(4), for the periods ended December 31, 2022, 2021 and 2020, respectively)	(104)	(59)	62
Pension and other postretirement adjustment (net of tax of $(3), $(18), and $14, for the periods ended December 31, 2022, 2021 and 2020, respectively)	17	54	(46)
Hedging adjustment (net of tax of $6, $(4) and $(3), for the periods ended December 31, 2022, 2021 and 2020, respectively)	(16)	12	6
Other comprehensive (loss) income, net of tax	(103)	7	22
TOTAL COMPREHENSIVE EARNINGS (LOSS)	1,138	1,002	(363)
Comprehensive (loss) attributable to non-redeemable and redeemable noncontrolling interests	(3)	0	(2)
COMPREHENSIVE EARNINGS (LOSS) ATTRIBUTABLE TO OWENS CORNING	$ 1,141	$ 1,002	$ (361)