Segment, Geographic, and Significant Customer Information (Schedule of Total Cash, Cash Equivalents, Restricted Cash and Investments) (Details) (USD $) In Millions	Apr. 29, 2011	Apr. 30, 2010
Segment, Geographic, and Significant Customer Information
United States	$ 3,037.5	$ 2,086.4
International	2,211.8	1,712.5
Total cash, cash equivalents, restricted cash and investments	$ 5,249.3	$ 3,798.9

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