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Pension and Other Postretirement Benefits (Details Textual2) - USD ($)
$ in Millions
Jul. 03, 2015
Jun. 27, 2014
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 4,757 $ 91
Projected benefit obligation (6,938) $ 104
US Salaried Retirement Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 4,000  
Projected benefit obligation $ 5,600