INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Reconciliation of the beginning and ending amount of gross unrecognized tax benefits [Roll Forward]
Beginning of the year balance of gross unrecognized tax benefits	$ 63	$ 61	$ 62
Gross amounts of increases as a result of tax positions taken during a prior period	4	9	12
Gross amounts of decreases as a result of tax positions taken during a prior period	(4)	(5)	(6)
Gross amounts of increases as a result of tax positions taken during the current period	5	4	7
Amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities	(1)	(4)	(12)
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statutes of limitations	(2)	(2)	(2)
End of year balance of gross unrecognized tax benefits	$ 65	$ 63	$ 61