SHARE-BASED COMPENSATION PLANS - Nonvested Nonqualified Stock Options (Details) shares in Millions	12 Months Ended
	Jun. 30, 2021 $ / shares shares
Number of Shares
Non-vested, beginning balance (in shares) | shares	17.2
Forfeited (in shares) | shares	(4.4)
Non-vested, ending balance (in shares) | shares	12.8
Weighted Average Grant Date Fair Value
Non-vested, beginning balance (in dollars per share) | $ / shares	$ 3.73
Forfeited (in dollars per share) | $ / shares	3.63
Non-vested, ending balance (in dollars per share) | $ / shares	$ 2.84