Annual report pursuant to Section 13 and 15(d)

RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS - CASH AND NONCASH (Details)

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RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS - CASH AND NONCASH (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Restructuring, impairment and plant closing costs                      
Pension-related charges                   $ 1  
Accelerated depreciation                   2  
Reversal of reserves no longer required                 $ (30)   $ (2)
Other non-cash credits                   (1)  
Gain on sale of land                     (4)
Other non-cash charges                 8    
Total restructuring, impairment and plant closing costs $ (13) $ 5 $ 1 $ 2 $ 7 $ 1 $ 3 $ 9 (5) 20 47
2015 and prior initiatives                      
Restructuring, impairment and plant closing costs                      
Restructuring charges                     47
2016 initiatives                      
Restructuring, impairment and plant closing costs                      
Restructuring charges                     $ 6
2016 and prior initiatives                      
Restructuring, impairment and plant closing costs                      
Restructuring charges                   6  
2017 and prior initiatives                      
Restructuring, impairment and plant closing costs                      
Restructuring charges                 2    
2017 initiatives                      
Restructuring, impairment and plant closing costs                      
Restructuring charges                   $ 12  
2018 initiatives                      
Restructuring, impairment and plant closing costs                      
Restructuring charges                 $ 15