|
Condensed Consolidated Balance Sheet (Unaudited) Parenthetical (USD $)
|
Apr. 30, 2011
|
Oct. 31, 2010
|
|---|---|---|
| Stockholders' equity | Â | Â |
| Preferred stock par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Preferred stock authorized (in shares) | 125,000,000 | 125,000,000 |
| Preferred stock issued (in shares) | 0 | 0 |
| Preferred stock outstanding (in shares) | 0 | 0 |
| Common stock par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common stock authorized (in shares) | 2,000,000,000 | 2,000,000,000 |
| Common stock issued (in shares) | 587,000,000 | 579,000,000 |
| Treasury stock at cost (in shares) | 239,000,000 | 233,000,000 |