v2.4.0.6
Income Taxes (Provision For Income Taxes) (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jul. 28, 2012
Jul. 30, 2011
Jul. 31, 2010
Income Taxes      
Federal, Current $ 1,836 $ 914 $ 1,469
Federal, Deferred (270) (168) (435)
Federal,Total 1,566 746 1,034
State, Current 119 49 186
State, Deferred (53) 83  
State, Total 66 132 186
Foreign, Current 477 529 470
Foreign, Deferred 9 (72) (42)
Foreign, Total 486 457 428
Provision for income taxes, total $ 2,118 $ 1,335 $ 1,648