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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($)
$ in Millions
 6 Months Ended
Dec. 31, 2015
Jun. 30, 2015
Derivative [Line Items]    
Derivatives $ 10 $ 8
Derivative instruments subject to contractually defined counterparty liability position limits 9 8
Estimated amount of the existing net gain (loss) to be reclassified into earnings in the next 12 months (12)  
Cash margin balances $ 1 2
Commodity Purchase Derivative Contracts [Member]    
Derivative [Line Items]    
Maximum contract duration 2 years  
Notional amount $ 43 47
Foreign Exchange Derivative Contracts [Member]    
Derivative [Line Items]    
Maximum contract duration 2 years  
Soybean Oil [Member] | Commodity Purchase Derivative Contracts [Member]    
Derivative [Line Items]    
Notional amount $ 22 20
Jet Fuel [Member] | Commodity Purchase Derivative Contracts [Member]    
Derivative [Line Items]    
Notional amount 21 27
Australia [Member] | Foreign Exchange Derivative Contracts [Member]    
Derivative [Line Items]    
Notional amount 39 35
Canada [Member] | Foreign Exchange Derivative Contracts [Member]    
Derivative [Line Items]    
Notional amount 37 64
New Zealand [Member] | Foreign Exchange Derivative Contracts [Member]    
Derivative [Line Items]    
Notional amount $ 7 $ 6