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RELATED PARTIES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Equity Method Investee          
Related Party Transaction [Line Items]          
Revenues $ 10 $ 8 $ 25 $ 26  
Receivables 4   4   $ 4
Accounts payable, related parties 1   1   2
Dividends received     34 27  
Equity Method Investee | Prepaid expenses and other current assets          
Related Party Transaction [Line Items]          
Other accounts receivable, related parties 2   2   1
Equity Method Investee | Selling, general and administrative          
Related Party Transaction [Line Items]          
Income from related party recognized 4 4 12 12  
Joint Venture          
Related Party Transaction [Line Items]          
Revenues $ 1 $ 1 $ 2 $ 6  
Receivables         $ 4