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EQUITY - Class of Stock and Dividend Information (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Feb. 05, 2020
Oct. 30, 2019
Aug. 16, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Class of Stock              
Cash dividends declared per common share (in dollars per share)       $ 0.48 $ 0.43 $ 0.91 $ 0.81
Conversion of Class B to Class A (in shares)           2.3  
Common Class A and Common Class B              
Class of Stock              
Cash dividends declared per common share (in dollars per share)   $ 0.48 $ 0.43        
Common Class A and Common Class B | Forecast              
Class of Stock              
Cash dividends declared per common share (in dollars per share) $ 0.48            
Common Class A              
Class of Stock              
Purchase of Class A Common Stock (in shares)           4.3  
Purchase of Class A Common Stock (in dollars)           $ 813