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Comprehensive Income and Accumulated Other Comprehensive Loss (Tables)
3 Months Ended
Jul. 29, 2011
Comprehensive Income and Accumulated Other Comprehensive Loss [Abstract]  
Aoci Schedule [Text Block]
(in millions) Unrealized Gain/(Loss) on Investments Cumulative Translation Adjustments Net Change in Retirement Obligations Unrealized Gain/(Loss) on Foreign Currency Exchange Rate Derivatives Accumulated Other Comprehensive Loss
Balance as of April 29, 2011 $196 $443 $(607) $(257) $(224)
Other comprehensive income  105  14  8  13  139
Balance as of July 29, 2011 $ 301 $ 457 $ (599) $ (244) $(85)