Leases (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Apr. 26, 2013	Apr. 27, 2012	Apr. 29, 2011
Sale Leaseback Transaction [Line Items]
Sale Leaseback Transaction, Gross Proceeds		$ 165
Term of Lease	10 years
Monthly payments due years 1-5	5 years
Annual payments due years 6-10	5 years
Capitalized Leases
2014	18
2015	18
2016	17
2017	34
2018	22
2018 and thereafter	85
Total minimum lease payments	194
Less amounts representing interest	(30)
Present value of net minimum lease payments	164
Operating Leases
2014	104
2015	74
2016	48
2017	27
2018	14
Thereafter	27
Total minimum lease payments	294
Rent expense for operating leases	$ 140	$ 153	$ 148

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Amount of minimum lease payments for capital leases.

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Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

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The gross proceeds received from the asset(s) sold in connection with the transaction involving the sale of property to another party and the lease back to the seller.

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