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Equity (Details 1) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended
Jun. 27, 2015
Jun. 28, 2014
May. 12, 2015
Equity [Abstract]      
Stock Repurchase Program, Remaining Available Amount $ 430    
Stock Repurchase Program, Authorized Amount     $ 500
Equity, Class of Treasury Stock [Line Items]      
Repurchases of common stock 169 $ 211  
General repurchase program [Member]      
Equity, Class of Treasury Stock [Line Items]      
Repurchases of common stock $ 150 $ 180  
Repurchases of common stock, shares 1.1 1.2  
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