|
Cash, Cash Equivalents and Investments (Details 2) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Apr. 29, 2012
|
May 01, 2011
|
Apr. 29, 2012
|
May 01, 2011
|
|
| Gains and Losses on Investments | ||||
| Gross realized gains | $ 1 | $ 8 | $ 2 | $ 13 |
| Gross realized losses | $ 1 | $ 1 | $ 2 | $ 1 |