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OTHER LIABILITIES (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended 12 Months Ended
Dec. 31, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
OTHER LIABILITIES [Abstract]        
Employee benefit obligations   $ 270 $ 312  
Venture agreement net terminal obligation   284 281  
Taxes   74 82  
Other   114 64  
Total   742 739  
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 108 135 0 0
Lease term 15 years      
Total deferred gain on sale-leaseback 52 50 0  
Deferred gain on sale-lease back, noncurrent portion   47 0  
Deferred gain on sale-leaseback, current portion 3 3 0  
Gain recognized upon sale $ 6 $ 6