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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Mar. 31, 2022
Jun. 30, 2021
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Treasury stock, shares 235,234,161 229,115,665
Common Class A    
Common stock, shares authorized 1,300,000,000 1,300,000,000
Common stock, shares issued 467,516,898 462,633,034
Common Class B    
Common stock, shares authorized 304,000,000 304,000,000
Common stock, shares issued 125,542,029 128,242,029
Common stock, shares outstanding 125,542,029 128,242,029