SEGMENT INFORMATION Reconciliation of Reportable Results (Details) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
Apr. 30, 2017 |
Jan. 31, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
| Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] |
|
|
|
|
|
| Total reportable segments' income from operations |
$ 147
|
|
$ 135
|
$ 275
|
$ 264
|
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost |
(13)
|
|
(13)
|
(31)
|
(29)
|
| Restructuring Charges |
(1)
|
$ (2)
|
0
|
(3)
|
0
|
| Business Combination Acquisition Related Fair Value Adjustments |
(8)
|
|
(4)
|
(8)
|
(9)
|
| Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements |
0
|
|
0
|
68
|
0
|
| Amortization of Intangibles |
(18)
|
|
(11)
|
(28)
|
(22)
|
| Acquisition and integration costs |
(21)
|
|
(5)
|
(27)
|
(7)
|
| Acquisition related compensation expense paid in cash |
(28)
|
|
0
|
(28)
|
0
|
| Separation and related costs |
(8)
|
|
(5)
|
(14)
|
(10)
|
| Segment Reporting Other reconciling items for operating profit loss segment to consolidated |
(8)
|
|
(2)
|
0
|
6
|
| Income from operations |
42
|
|
95
|
204
|
193
|
| Investment Income, Nonoperating |
2
|
|
0
|
3
|
1
|
| Interest expense |
(24)
|
|
(12)
|
(36)
|
(24)
|
| Other Nonoperating Gains (Losses) |
2
|
|
4
|
3
|
1
|
| Income before taxes |
$ 22
|
|
$ 87
|
$ 174
|
$ 171
|