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EQUITY - Class of Stock and Dividend Information (Details) - $ / shares
shares in Millions
3 Months Ended 6 Months Ended
Feb. 04, 2021
Dec. 15, 2020
Oct. 30, 2020
Sep. 15, 2020
Aug. 19, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Class of Stock                  
Cash dividends declared per common share (in dollars per share)           $ 0.53 $ 0.48 $ 1.01 $ 0.91
Conversion of Class B to Class A (in shares)               2.2  
Common Class A                  
Class of Stock                  
Cash dividends declared per common share (in dollars per share)     $ 0.53   $ 0.48        
Cash dividends paid per common share (in dollars per share)   $ 0.53   $ 0.48          
Common Class A | Subsequent Event                  
Class of Stock                  
Cash dividends declared per common share (in dollars per share) $ 0.53                
Common Class B                  
Class of Stock                  
Cash dividends declared per common share (in dollars per share)     $ 0.53   $ 0.48        
Cash dividends paid per common share (in dollars per share)   $ 0.53   $ 0.48          
Common Class B | Subsequent Event                  
Class of Stock                  
Cash dividends declared per common share (in dollars per share) $ 0.53