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COMPREHENSIVE INCOME (Narrative) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Long term intercompany loans [Member]        
Intercompany Foreign Currency Balance [Line Items]        
Re-measurement gains (losses) on long-term intercompany loans $ (3) $ (3) $ (4) $ (3)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]        
Intercompany Foreign Currency Balance [Line Items]        
Amounts reclassified from Accumulated other comprehensive net losses     0 0
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | Long term intercompany loans [Member]        
Intercompany Foreign Currency Balance [Line Items]        
Amounts reclassified from Accumulated other comprehensive net losses $ 0 $ 0 $ 0 $ 0