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Fair Value Measurements (Details 2) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 26, 2015
Sep. 27, 2014
Fair Value Disclosures [Abstract]        
Carrying value of long-lived assets impaired $ 7 $ 1 $ 15 $ 2
Asset Impairment Charges $ (7) $ (1) (15) (2)
Goodwill and Intangible Assets Disclosure [Abstract]        
Goodwill, Impairment Loss     $ 0 $ 0