EMPLOYEE BENEFIT PLANS (Components of the Net Cost of Retirement Income and Health Care Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Defined Benefit Plan Disclosure [Line Items]
Total	$ 16	$ 15	$ 10
Retirement Income | Retirement Income
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	2	1
Interest cost	15	15	20
Expected return on plan assets	(15)	(16)	(19)
Settlement loss recognized	7	5	0
Amortization of unrecognized items	9	11	10
Total	17	17	12
Retirement Health Care | Retirement Health Care
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0
Interest cost	1	1	1
Expected return on plan assets	0	0	0
Settlement loss recognized	0	0	0
Amortization of unrecognized items	$ (1)	(2)	(3)
Total		$ (1)	$ (2)