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Additional Financial Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 26, 2015
Sep. 27, 2014
Cash Interest and Taxes        
Cash paid for interest $ 3 $ 5 $ 5 $ 7
Cash paid for income taxes $ 82 $ 126 125 176
Additional Financial Information (Textual) [Abstract]        
Capitalization of fixed assets and recognition of related obligations, net     $ 99 78
Noncash capital expenditure       $ 19