FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Jun. 30, 2016
Derivative [Line Items]
Derivatives	$ 3	$ 5
Derivative instruments subject to contractually defined counterparty liability position limits	2	4
Estimated amount of the existing net gain (loss) to be reclassified into earnings in the next 12 months	$ 8
Commodity purchase derivative contracts [Member]
Derivative [Line Items]
Maximum contract duration	2 years
Notional amounts	$ 24	30
Cash margin balances amount	1	1
Commodity purchase derivative contracts [Member] | Jet Fuel [Member]
Derivative [Line Items]
Notional amounts	14	16
Commodity purchase derivative contracts [Member] | Soybean Oil [Member]
Derivative [Line Items]
Notional amounts	$ 10	14
Foreign exchange derivative contracts [Member]
Derivative [Line Items]
Maximum contract duration	2 years
Notional amounts	$ 57	$ 84