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Impairment of Assets (Details Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 26, 2015
Sep. 27, 2014
Asset Impairment Charges [Abstract]        
Asset Impairment Charges $ 7 $ 1 $ 15 $ 2