CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2023	Jun. 30, 2023
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Treasury stock (in shares)	237,865,069	237,590,199
Common Class A
Common stock, shares authorized	1,300,000,000	1,300,000,000
Common stock, shares issued	470,748,805	469,668,085
Common Class B
Common stock, shares authorized	304,000,000	304,000,000
Common stock, shares issued	125,542,029	125,542,029
Common stock, shares outstanding	125,542,029	125,542,029