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GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill Rollforward (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Goodwill [Roll Forward]    
Balance at beginning of period, gross carrying amount $ 2,318  
Foreign currency translation 9  
Balance at end of period, gross carrying amount 2,327  
Goodwill, Impaired, Accumulated Impairment [Roll Forward]    
Balance at beginning of period, accumulated impairment loss (935)  
Foreign currency translation (5)  
Balance at end of period, accumulated impairment loss (940)  
Goodwill, net 1,387 $ 1,383
Composites    
Goodwill [Roll Forward]    
Balance at beginning of period, gross carrying amount 425  
Foreign currency translation 1  
Balance at end of period, gross carrying amount 426  
Goodwill, Impaired, Accumulated Impairment [Roll Forward]    
Balance at beginning of period, accumulated impairment loss 0  
Foreign currency translation 0  
Balance at end of period, accumulated impairment loss 0  
Goodwill, net 426  
Insulation    
Goodwill [Roll Forward]    
Balance at beginning of period, gross carrying amount 1,499  
Foreign currency translation 7  
Balance at end of period, gross carrying amount 1,506  
Goodwill, Impaired, Accumulated Impairment [Roll Forward]    
Balance at beginning of period, accumulated impairment loss (935)  
Foreign currency translation (5)  
Balance at end of period, accumulated impairment loss (940)  
Goodwill, net 566  
Roofing    
Goodwill [Roll Forward]    
Balance at beginning of period, gross carrying amount 394  
Foreign currency translation 1  
Balance at end of period, gross carrying amount 395  
Goodwill, Impaired, Accumulated Impairment [Roll Forward]    
Balance at beginning of period, accumulated impairment loss 0  
Foreign currency translation 0  
Balance at end of period, accumulated impairment loss 0  
Goodwill, net $ 395