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SHAREHOLDER'S EQUITY SHAREHOLDERS' EQUITY - DIVIDENDS (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Feb. 18, 2020
Dec. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Subsequent Event [Line Items]          
Cash dividend declared per share   $ 0.35 $ 1.40    
Cash dividend paid     $ 173 $ 158 $ 148
Subsequent Event [Member]          
Subsequent Event [Line Items]          
Cash dividend declared per share $ 0.375        
Dividend increase 7.00%