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CONSOLIDATED STATEMENTS OF EARNINGS (LOSS) - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Statement [Abstract]      
NET SALES $ 9,761 $ 8,498 $ 7,055
COST OF SALES 7,145 6,281 5,445
Gross margin 2,616 2,217 1,610
OPERATING EXPENSES      
Marketing and administrative expenses 803 757 664
Science and technology expenses 106 91 82
Goodwill impairment charge 0 0 944
Gain on equity method investment (130) 0 0
Other expenses (income), net 123 (69) 58
Total operating expenses 902 779 1,748
OPERATING INCOME (LOSS) 1,714 1,438 (138)
Non-operating income (9) (10) (14)
EARNINGS (LOSS) BEFORE INTEREST AND TAXES 1,723 1,448 (124)
Interest expense, net 109 126 132
Loss on extinguishment of debt 0 9 0
EARNINGS (LOSS) BEFORE TAXES 1,614 1,313 (256)
Income tax expense 373 319 129
Equity in net earnings of affiliates 0 1 0
NET EARNINGS (LOSS) 1,241 995 (385)
Net (loss) attributable to non-redeemable and redeemable noncontrolling interests 0 0 (2)
NET EARNINGS (LOSS) ATTRIBUTABLE TO OWENS CORNING $ 1,241 $ 995 $ (383)
EARNINGS (LOSS) PER COMMON SHARE ATTRIBUTABLE TO OWENS CORNING COMMON STOCKHOLDERS      
Basic (dollars per share) $ 12.85 $ 9.61 $ (3.53)
Diluted (dollars per share) $ 12.70 $ 9.54 $ (3.53)
WEIGHTED AVERAGE COMMON SHARES      
Basic (in shares) 96.6 103.5 108.6
Diluted (in shares) 97.7 104.3 108.6