The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Aggregate notional amount of all derivatives designated as cash flow hedging instruments. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.

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Aggregate notional amount of all interest rate derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the monetary amount specified in the interest rate derivative contract.

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Amount of unrealized gain (loss) related to derivatives designated as cash flow hedging instruments, recorded in results of operations to the extent that the cash flow hedge is determined to be ineffective.

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Derivatives and Foreign Exchange Risk Management , Freestanding Derivative Forward Contracts and Cash Flow Hedges (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended				12 Months Ended				12 Months Ended
	Apr. 26, 2013	Apr. 27, 2012	Apr. 26, 2013 Foreign Currency Exchange Rate Contracts	Apr. 27, 2012 Foreign Currency Exchange Rate Contracts	Apr. 26, 2013 Interest Rate Swap	Apr. 27, 2012 Interest Rate Swap	Mar. 31, 2013 Interest Rate Swap	Oct. 26, 2012 Interest Rate Swap	Apr. 26, 2013 Other Expense, Net Foreign Currency Exchange Rate Contracts	Apr. 27, 2012 Other Expense, Net Foreign Currency Exchange Rate Contracts	Apr. 29, 2011 Other Expense, Net Foreign Currency Exchange Rate Contracts	Apr. 27, 2012 Cash Flow Hedging	Apr. 29, 2011 Cash Flow Hedging	Apr. 26, 2013 Cash Flow Hedging Foreign Currency Exchange Rate Contracts	Apr. 27, 2012 Cash Flow Hedging Foreign Currency Exchange Rate Contracts	Apr. 29, 2011 Cash Flow Hedging Foreign Currency Exchange Rate Contracts	Apr. 26, 2013 Cash Flow Hedging Other Expense, Net Foreign Currency Exchange Rate Contracts	Apr. 27, 2012 Cash Flow Hedging Other Expense, Net Foreign Currency Exchange Rate Contracts	Apr. 29, 2011 Cash Flow Hedging Other Expense, Net Foreign Currency Exchange Rate Contracts	Apr. 26, 2013 Cash Flow Hedging Cost of Products Sold Foreign Currency Exchange Rate Contracts	Apr. 27, 2012 Cash Flow Hedging Cost of Products Sold Foreign Currency Exchange Rate Contracts	Apr. 29, 2011 Cash Flow Hedging Cost of Products Sold Foreign Currency Exchange Rate Contracts
Freestanding Derivative Forward Contracts
Notional amount of foreign currency derivatives not designated as hedging instruments	$ 2,059	$ 2,039
Gain (loss) on foreign currency derivatives not designated as hedging instruments									26	53	(107)
Cash Flow Hedges
Notional amount of cash flow hedge instruments			4,753	3,097
Gains (losses) recognized in OCI on effective portion of derivative	121											332	(530)	121	332	(530)
Effective portion of gains (losses) on derivative reclassified from AOCI into income	101											(127)	81				103	(141)	50	(2)	14	31
Notional amount of interest rate cash flow hedge							750	500
Weighted average fixed rate of interest rate derivatives								2.68%
Unrealized loss on interest rate cash flow hedges recorded in AOCI					(18)	45
Unrealized losses associated with cash flow hedging instruments	165	6
Cash flow hedge unrealized losses to be reclassified over the next twelve months	$ 76