Segment Information And Major Customers (Property And Equipment, Net) (Details) (USD $) In Millions	Jul. 30, 2011	Jul. 31, 2010	Jul. 25, 2009
Property and equipment, net	$ 3,916	$ 3,941	$ 4,043
International [Member]
Property and equipment, net	632	658	713
United States Of America [Member]
Property and equipment, net	$ 3,284	$ 3,283	$ 3,330

- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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