v3.6.0.2

Stock-Based Compensation (Details 3) - USD ($) | 12 Months Ended |
--- | --- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014 | Nov. 01, 2015
Share-based compensation |  |  |  |
Common stock, authorized (shares) | 9,600,000,000 |  |  |
Maximum contribution limit as percentage of base compensation (as a percent) | 15.00% |  |  |
Offering period | 24 months |  |  |
Current offering period | 6 months |  |  |
Stock-based compensation expense, net of tax | $ 416,000,000 | $ 400,000,000 | $ 286,000,000 |
Employee Stock Purchase Plan |  |  |  |
Share-based compensation |  |  |  |
Common stock, authorized (shares) |  |  |  | 80,000,000
Maximum contribution limit as percentage of base compensation (as a percent) | 10.00% | 10.00% |  |
Stock purchase price as a percentage of the fair market value on the purchase date | 95.00% | 95.00% |  |
Stock-based compensation expense, net of tax | $ 0 | $ 0 |  |
Stock Options |  |  |  |
Share-based compensation |  |  |  |
Unrecognized pre-tax stock-based compensation expense | $ 58,000,000 |  |  |

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