|
Derivative Instruments (Derivatives Recorded At Fair Value) (Detail) (USD $)
In Millions, unless otherwise specified |
Jul. 28, 2012
|
Jul. 30, 2011
|
|---|---|---|
| Derivative [Line Items] | ||
| Derivative assets | $ 264 | $ 222 |
| Derivative liabilities | 42 | 24 |
|
Derivatives Designated As Hedging Instrument
|
||
| Derivative [Line Items] | ||
| Derivative assets | 247 | 213 |
| Derivative liabilities | 30 | 12 |
|
Derivatives Not Designated As Hedging Instruments
|
||
| Derivative [Line Items] | ||
| Derivative assets | 17 | 9 |
| Derivative liabilities | 12 | 12 |
|
Foreign Currency Derivatives | Derivatives Designated As Hedging Instrument | Other current assets
|
||
| Derivative [Line Items] | ||
| Derivative assets | 24 | 67 |
|
Foreign Currency Derivatives | Derivatives Designated As Hedging Instrument | Other Current Liabilities
|
||
| Derivative [Line Items] | ||
| Derivative liabilities | 26 | 12 |
|
Foreign Currency Derivatives | Derivatives Not Designated As Hedging Instruments | Other current assets
|
||
| Derivative [Line Items] | ||
| Derivative assets | 16 | 7 |
|
Foreign Currency Derivatives | Derivatives Not Designated As Hedging Instruments | Other Current Liabilities
|
||
| Derivative [Line Items] | ||
| Derivative liabilities | 12 | 12 |
|
Interest Rate Derivatives | Derivatives Designated As Hedging Instrument | Other assets
|
||
| Derivative [Line Items] | ||
| Derivative assets | 223 | 146 |
|
Equity Derivatives | Derivatives Designated As Hedging Instrument | Other Current Liabilities
|
||
| Derivative [Line Items] | ||
| Derivative liabilities | 4 | |
|
Equity Derivatives | Derivatives Not Designated As Hedging Instruments | Other assets
|
||
| Derivative [Line Items] | ||
| Derivative assets | $ 1 | $ 2 |