EMPLOYEE BENEFIT PLANS - Schedule of Retirement Income and Retirement Health Care Plans and Amounts Recognized in Balance Sheets (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Other Postretirement Benefits Plan
Change in benefit obligations:
Benefit obligation as of beginning of year	$ 123	$ 476
Service cost	1	1	$ 1
Interest cost	6	12	18
Actuarial loss (gain)	2	(26)
Plan amendments	0	0
Plan settlement	0	(312)
Benefits paid	(16)	(26)
Translation and other adjustments	1	(2)
Benefit obligation as of end of year	117	123	476
Change in plan assets:
Fair value of assets as of beginning of year	25	381
Actual return on plan assets	3	(13)
Employer contributions	15	15
Plan settlement	0	(312)
Benefits paid	(16)	(26)
Transfer to domestic defined contribution plan	0	(19)
Translation and other adjustments	0	(1)
Fair value of plan assets as of end of year	27	25	381
Accrued benefit cost, net funded status	(90)	(98)
Amount recognized in the balance sheets consists of:
Non-current pension benefit assets	9	7
Current accrued benefit liability	(12)	(12)
Non-current accrued benefit liability	(87)	(93)
Accrued benefit cost, net	(90)	(98)
Retirement Health Care
Change in benefit obligations:
Benefit obligation as of beginning of year	19	26
Service cost	0	0	0
Interest cost	1	1	1
Actuarial loss (gain)	(2)	(2)
Plan amendments	0	(4)
Plan settlement	0	0
Benefits paid	(1)	(2)
Translation and other adjustments	0	0
Benefit obligation as of end of year	17	19	26
Change in plan assets:
Fair value of assets as of beginning of year	0	0
Actual return on plan assets	0	0
Employer contributions	1	2
Plan settlement	0	0
Benefits paid	(1)	(2)
Transfer to domestic defined contribution plan	0	0
Translation and other adjustments	0	0
Fair value of plan assets as of end of year	0	0	$ 0
Accrued benefit cost, net funded status	(17)	(19)
Amount recognized in the balance sheets consists of:
Non-current pension benefit assets	0	0
Current accrued benefit liability	(2)	(2)
Non-current accrued benefit liability	(15)	(17)
Accrued benefit cost, net	$ (17)	$ (19)