Equity-Based Compensation - Summary of Information Related to Grants and Vests of PSUs and RSUs (Details) - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	3,885	4,665	3,475
Number of shares, Vested (in shares)	3,632	3,487	3,526
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	1,200	1,400	1,000
Number of shares, Vested (in shares)	2,500	2,800	3,000
Cash used to settle awards	$ 53	$ 52	$ 66
Performance Stock Units | Settled In Cash
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	500	600	400
Number of shares, Vested (in shares)	1,200	1,300	1,000
Cash used to settle awards	$ 25	$ 25	$ 24
Performance Stock Units | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	700	800	600
Number of shares, Vested (in shares)	1,300	1,500	2,000
Cash used to settle awards	$ 28	$ 27	$ 42
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	3,300	4,200	3,000
Number of shares, Vested (in shares)	3,000	2,700	2,100
Cash used to settle awards	$ 65	$ 52	$ 54
Restricted Stock Units | Settled In Cash
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	700	800	600
Number of shares, Vested (in shares)	700	700	500
Cash used to settle awards	$ 15	$ 13	$ 13
Restricted Stock Units | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	2,600	3,400	2,400
Number of shares, Vested (in shares)	2,300	2,000	1,600
Cash used to settle awards	$ 50	$ 39	$ 41