EMPLOYEE BENEFIT PLANS (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Domestic Defined Contribution Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Aggregate cost of the defined contribution plans	$ 54	$ 49	$ 47
International Defined Contribution Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Aggregate cost of the defined contribution plans	4	4	3
Retirement Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Discretionary contributions	13	63	21
Retirement Income [Member] | Retirement Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Discretionary contributions	13	63
Accumulated benefit obligation	626	603	$ 592
Future amortization of gain (loss)	(10)
Retirement Health Care [Member] | Retirement Health Care [Member]
Defined Benefit Plan Disclosure [Line Items]
Discretionary contributions	3	$ 3
Future amortization of gain (loss)	$ 2