SEGMENT INFORMATION (DETAIL)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
segment
Sep. 30, 2014
USD ($)
Segment Reporting, Significant Reconciling Item [Line Items]        
NET SALES $ 1,461 $ 1,382 $ 4,082 $ 4,015
Income (loss) from Reportable Segments 222 133 491 358
Restructuring Charges and Related Items (2) (21) (4) (33)
Net loss related to Hurricane Sandy 0 0 0 (6)
General corporate expense and other (24) (1) (77) (53)
EBIT 196 107 410 288
Charges related to cost reduction actions (5) 19 (5) 31
Other costs related to restructuring     $ (5)  
Number of Reportable Segments | segment     3  
United States        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues 1,029 938 $ 2,825 2,726
Europe        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues 128 142 393 451
Asia Pacific        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues 178 168 492 474
Other Geographical        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues 126 134 372 364
Composites        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues 500 489 1,486 1,471
Income (loss) from Reportable Segments     188 96
EBIT 61 32    
Building Materials        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues     1,398 1,408
Income (loss) from Reportable Segments     213 200
Total Segments        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues 1,504 1,417 4,216 4,135
Corporate Eliminations        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues (43) (35) (134) (120)
Insulation        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues 502 454 1,332 1,256
EBIT 58 43 90 62
Roofing        
Segment Reporting, Significant Reconciling Item [Line Items]        
Revenues 502 474    
EBIT 103 58    
Hangzhou        
Segment Reporting, Significant Reconciling Item [Line Items]        
Restructuring Charges and Related Items 0 0 0 45
European Stone [Member]        
Segment Reporting, Significant Reconciling Item [Line Items]        
Restructuring Charges and Related Items 0 (1) 0 (20)
Alcala Assets Held For Sale [Member]        
Segment Reporting, Significant Reconciling Item [Line Items]        
Restructuring Charges and Related Items $ 0 $ (3) $ 0 $ (3)