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INCOME TAXES (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
Income Tax Examination [Line Items]          
Provision for income taxes $ 25 $ 46 $ 50 $ 158  
Effective Income Tax Rate Reconciliation, Percent 13.00% 15.00% 10.00% 18.00%  
Unrecognized Tax Benefits $ 194   $ 194   $ 202
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount     (19)    
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount     (7)    
Minimum [Member]          
Income Tax Examination [Line Items]          
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 10   10    
Maximum [Member]          
Income Tax Examination [Line Items]          
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 55   $ 55