Significant Accounting Policies (Details) (USD $) In Billions, except Per Share data, unless otherwise specified	2 Months Ended	11 Months Ended	12 Months Ended								0 Months Ended
	Apr. 29, 2012	Mar. 13, 2012	Apr. 28, 2013	Apr. 28, 2013 Building [Member]	Apr. 28, 2013 Machinery and Equipment [Member]	Apr. 28, 2013 Leasehold Improvements [Member]	Apr. 28, 2013 Minimum [Member]	Apr. 28, 2013 Minimum [Member] Software [Member]	Apr. 28, 2013 Maximum [Member]	Apr. 28, 2013 Maximum [Member] Software [Member]	Jun. 08, 2013 Subsequent Event [Member]
Property, Plant and Equipment [Line Items]
Business Acquisition per share price 2											$ 72.50
Business acquisition transaction value											$ 28.75
Weeks in Fiscal Year	52 1/2 week	P52WK					P52WK		P53WK
Cumulative inflation rate in an economy for applying Highly inflationary accounting			three-year period meets or exceeds 100 percent
Highly Inflationary Accounting, Cumulative Inflation Rate In Economy, Period			3 years
Highly Inflationary Accounting, Cumulative Inflation Rate In Economy, Rate							100.00%
Estimated useful lives for computer software, miniumum, in years				40 years	15 years	15 years		3 years		7 years
Original Maturities Of Cash Equivalents Defined As Highly Liquid Investments									90 days