SHARE-BASED COMPENSATION General Disclosures (Details) - USD ($)
$ in Millions |
12 Months Ended |
Oct. 31, 2017 |
Oct. 31, 2016 |
Oct. 31, 2015 |
| Employee stock purchase plan [Abstract] |
|
|
|
| Compensation percentage maximum eligible contribution to purchase shares of common stock |
10.00%
|
|
|
| ESPP eligible employee common stock purchase price ratio |
85.00%
|
|
|
| Automatic annual increase in shares authorized for issuance in ESPP, without the Board of Directors determined amount, percentage (in hundredths) |
1.00%
|
|
|
| Maximum number of shares authorized for issuance under the ESPP (in shares) |
75,000,000
|
|
|
| ESPP Employee purchased shares (in shares) |
618,270
|
696,178
|
346,472
|
| ESPP employee purchases |
$ 26
|
$ 23
|
$ 12
|
| Maximum number of shares available for issuance under the ESPP |
27,556,310
|
|
|
| Aggregate participants contributions to ESPP |
$ 15
|
|
|
| Incentive compensation plans [Abstract] |
|
|
|
| Common stock issuable under the 2009 Plan (in shares) |
25,000,000
|
|
|
| Term of the 2009 Stock Plan (in years) |
ten years
|
|
|
| Common stock available for future awards under the 2009 Stock Plan (in shares) |
8,140,709
|
|
|
| Percentage which rate options generally vest per year (in hundredths) |
25.00%
|
|
|
| Number of years from the date of grant generally vest (in years) |
4 years
|
|
|
| Maximum contractual term (in years) |
10 years
|
|
|
| Percentage market value of the common stock option exercise price is generally not less than (in hundredths) |
100.00%
|
|
|
| Minimum final share award percentage of the target award based on performance metrics (in hundredths) |
0.00%
|
|
|
| Maximum final share award percentage of the target award based on performance metrics (in hundredths) |
200.00%
|
|
|
| Time period after which participants of the performance stock award plan are entitled to receive unrestricted share of the company's stock, if specified performance targets are met |
3 years
|
|
|
| Percentage rate restricted stock units generally vest per year (in hundredths) |
25.00%
|
|
|
| Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vesting Period By Year |
4 years
|
|
|