INCOME TAXES - ADDITIONAL INFORMATION (Details) $ in Millions	12 Months Ended			120 Months Ended
	Jun. 30, 2017 USD ($) countries audit	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2017 USD ($) countries
Income Tax Effects Allocated Directly to Equity	$ 333	$ 899
Deferred Tax Liabilities, Undistributed Foreign Earnings	49,000			$ 49,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 284			$ 284
Number of Income Tax Jurisdiction | countries	140			140
Open Tax Year				2008
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 100	323	$ 347	$ 100
Unrecognized Tax Benefits, Income Tax Penalties Accrued	20	20	19	20
Unrecognized Tax Benefits, Interest on Income Taxes Expense	62	2	15
Unrecognized Tax Benefits, Income Tax Penalties Expense	0	(2)	$ 13
Operating Loss Carryforwards	$ 3,300	$ 3,200		3,300
Minimum
Number of Jurisdictional Audits | audit	50
Maximum
Number of Jurisdictional Audits | audit	60
Net Operating Loss, Expiring Within 20 Years | Minimum
Operating Loss Carryforwards	$ 1,100			1,100
Net Operating Loss, Indefinite Life
Operating Loss Carryforwards	$ 2,200			$ 2,200