OTHER LIABILITIES (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Dec. 31, 2012
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
OTHER LIABILITIES [Abstract]        
Employee benefit obligations   $ 299 $ 289  
Venture agreement net terminal obligation   294 290  
Taxes   38 76  
Other   119 113  
Total   $ 750 $ 768  
Interest in the joint venture by venture partner   20.00% 20.00%  
Agreement term   20 years    
Venture agreement renewal option   10 years    
Proceeds from sale-leasebacks, net of transaction costs $ 108 $ 0 $ 0 $ 135
Lease term 15 years      
Deferred gain on sale-lease back, noncurrent portion   $ 40 $ 43