SHARE-BASED COMPENSATION Allocated Share-based compensation expense (Details) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
|
| Share-based Compensation Capitalized within inventory |
$ 0
|
$ 0
|
|
|
| Income tax benefit realized from exercised stock options and similar awards |
0
|
(1)
|
$ 2
|
$ 0
|
| Allocated Share-based Compensation Expense |
13
|
13
|
31
|
29
|
| Cost of products and services |
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
|
| Allocated Share-based Compensation Expense |
3
|
4
|
6
|
7
|
| Research and development |
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
|
| Allocated Share-based Compensation Expense |
2
|
2
|
6
|
5
|
| Selling, general and administrative |
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
|
| Allocated Share-based Compensation Expense |
$ 8
|
$ 7
|
$ 19
|
$ 17
|