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Derivative Instruments (Effect Of Derivative Instruments Designated As Fair Value Hedges And Underlying Hedged Items On Consolidated Statements Of Operations) (Detail) (Derivatives Designated As Fair Value Hedging Instruments, USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Jul. 28, 2012
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Jul. 30, 2011
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Jul. 31, 2010
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| Hedge Underlying Gain Loss [Line Items] | |||
| Gains (losses) on derivative instruments | $ 74 | $ 74 | $ 75 |
| Gains (losses) related to hedged items | (76) | (77) | (80) |
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Equity Derivatives | Other income, net
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| Hedge Underlying Gain Loss [Line Items] | |||
| Gains (losses) on derivative instruments | (4) | 3 | |
| Gains (losses) related to hedged items | 4 | (3) | |
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Interest Rate Derivatives | Interest Expense
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| Hedge Underlying Gain Loss [Line Items] | |||
| Gains (losses) on derivative instruments | 78 | 74 | 72 |
| Gains (losses) related to hedged items | $ (80) | $ (77) | $ (77) |