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Commitments And Contingencies (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended
Mar. 31, 2016
Jun. 30, 2015
Debt Instrument [Line Items]    
Increase to taxable income for Fiscal 2010, Fiscal 2011 and Fiscal 2012 $ 99  
Valuation allowances   $ 141
Operating loss carryforwards   $ 276
Fiscal 2010 [Member]    
Debt Instrument [Line Items]    
Open tax year 2010  
Fiscal 2011 [Member]    
Debt Instrument [Line Items]    
Open tax year 2011  
Fiscal 2012 [Member]    
Debt Instrument [Line Items]    
Open tax year 2012  
Minimum [Member]    
Debt Instrument [Line Items]    
Statute of limitations for subsidiaries in foreign jurisdictions 1 year  
Maximum [Member]    
Debt Instrument [Line Items]    
Statute of limitations for subsidiaries in foreign jurisdictions 5 years