EMPLOYEE BENEFIT PLANS (Components of the Net Cost of Retirement Income (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Defined Benefit Plan Disclosure [Line Items]
Total	$ 0	$ 0
Weighted average long-term expected rate or return on plan assets	3.10%
Other Postretirement Benefits Plan [Member] | Retirement Income Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	0
Interest cost	4	5
Expected return on plan assets	(4)	(4)
Amortization of unrecognized items	3	2
Total	$ 3	$ 3