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Derivatives and Hedging Activities - Schedule of Notional Value of Outstanding Foreign Currency Forward Contracts (Detail) - United States of America, Dollars - USD ($) $ in Millions | Oct. 30, 2015 | Apr. 24, 2015
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Cash Flow Hedging | Long |  |
Derivative [Line Items] |  |
Forward contracts, Notional Amount | $ 137 | $ 94
Non Designated | Long |  |
Derivative [Line Items] |  |
Forward contracts, Notional Amount | 311 | 231
Non Designated | Short |  |
Derivative [Line Items] |  |
Forward contracts, Notional Amount | $ 159 | $ 160

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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