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, 2026	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	2,317	2,705	3,885
Number of shares, Vested (in shares)	2,574	2,639	3,632
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	700	1,000	1,200
Number of shares, Vested (in shares)	1,000	900	2,400
Cash used to settle awards	$ 29	$ 25	$ 52
Performance Stock Units | Settled In Cash
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	300	300	500
Number of shares, Vested (in shares)	500	400	1,100
Cash used to settle awards	$ 15	$ 13	$ 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)	400	700	700
Number of shares, Vested (in shares)	500	500	1,300
Cash used to settle awards	$ 14	$ 12	$ 28
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	2,500	2,500	3,100
Number of shares, Vested (in shares)	2,600	2,700	2,800
Cash used to settle awards	$ 75	$ 72	$ 61
Restricted Stock Units | Settled In Cash
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	400	400	500
Number of shares, Vested (in shares)	400	500	500
Cash used to settle awards	$ 13	$ 13	$ 11
Restricted Stock Units | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted (in shares)	2,100	2,100	2,600
Number of shares, Vested (in shares)	2,200	2,200	2,300
Cash used to settle awards	$ 62	$ 59	$ 50