Annual report pursuant to Section 13 and 15(d)

OTHER NONCURRENT ASSETS (Details)

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OTHER NONCURRENT ASSETS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
OTHER NONCURRENT ASSETS      
Capitalized turnaround costs, net $ 223 $ 172  
Catalyst assets, net 24 26  
Other 205 195  
Total 452 393  
Amortization expense of catalyst assets $ 9 $ 10 $ 7