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Supplemental Financial Statement Data Supplemental Financial Statement Data (Schedule of Statements of Cash Flows) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jul. 28, 2013
Jul. 29, 2012
Jul. 31, 2011
Non-cash Compensation Benefit Related Expense $ 134 $ 106 $ 104
Other Noncash Operating Activities 21 12 4
Other Noncash Income (Expense) 155 118 108
Benefit Related Payments (54) (84) (48)
Other (4) (2) (7)
Other, total (58) (86) (55)
Interest Paid 124 115 142
Interest Received 10 8 11
Income Taxes Paid $ 345 $ 300 $ 304