|
Net Income Per Share (Details) (USD $)
In Millions, except Per Share data |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Apr. 30, 2011
|
Apr. 30, 2010
|
Apr. 30, 2011
|
Apr. 30, 2010
|
|
| Numerator [Abstract] | Â | Â | Â | Â |
| Net income | $ 200 | $ 108 | $ 393 | $ 187 |
| Denominators [Abstract] | Â | Â | Â | Â |
| Basic weighted-average shares (in shares) | 347 | 348 | 347 | 348 |
| Potentially dilutive common stock equivalents - stock options and other employee stock plans (in shares) | 8 | 6 | 8 | 6 |
| Diluted weighted-average shares (in shares) | 355 | 354 | 355 | 354 |
| Options to purchase shares of common stock (in shares) | 0 | 4 | 0 | 12 |
| Weighted-average exercise price (in dollars per share) | Â | $ 40 | Â | $ 35 |
| Average common stock price (in dollars per share) | $ 45 | $ 33 | $ 42 | $ 31 |