ACCOUNTS PAYABLE AND ACCRUED LIABILITIES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Business Combination [Line Items]
Option to extend agreement (in years)	7 years
Venture agreement terminal obligation, fair value	$ 476	$ 531
Venture Agreement terminal obligation, net	$ 501	$ 510
Glad
Business Combination [Line Items]
Percentage of ownership by venture partner	20.00%	20.00%