EMPLOYEE BENEFIT PLANS (Narrative) (Details) $ in Millions		12 Months Ended
	Jul. 07, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($) item	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation			$ 596	$ 559	$ 563
Defined Contribution Plan Disclosure [Line Items]
Aggregate cost of the defined contribution plans			45	45	43
Company 401(k) plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Aggregate cost of the defined contribution plans			41	42	38
International Defined Contribution Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Aggregate cost of the defined contribution plans			3	3	3
Domestic Qualified Retirement Income Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discretionary contributions			15	0	0
Domestic Qualified Retirement Income Plans [Member] | Subsequent Event [Member]
Defined Benefit Plan Disclosure [Line Items]
Discretionary contributions	$ 15
Domestic Non-Qualified Retirement Income Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discretionary contributions			$ 16	$ 13	$ 13
Medical [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumed ultimate trend			6.75%
Prescription Drugs [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumed ultimate trend			6.75%
Retirement Health Care Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumed ultimate trend			4.50%
Ultimate trend, year reached			2037
Basis point increase | item			100
Retirement Health Care Plan [Member] | Scenario, Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial gains (losses) as a component of net periodic benefit cost		$ 1
Retirement Income Plan [Member] | Scenario, Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial gains (losses) as a component of net periodic benefit cost		$ (11)