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Equity (Details 1) - USD ($)
shares in Millions, $ in Millions
 6 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Equity, Class of Treasury Stock [Line Items]    
Repurchases of common stock $ 299 $ 281
General repurchase program [Member]    
Equity, Class of Treasury Stock [Line Items]    
Repurchases of common stock $ 280 $ 250
Repurchases of common stock, shares 2.2 1.6
Withholding in satisfaction of taxes on vested equity award [Member]    
Equity, Class of Treasury Stock [Line Items]    
Repurchases of common stock $ 19 $ 31
Repurchases of common stock, shares 0.2 0.2