DISCONTINUED OPERATIONS DISCONTINUED OPERATIONS-Textual (Details) - USD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Oct. 31, 2017 |
Oct. 31, 2016 |
Oct. 31, 2015 |
Nov. 01, 2014 |
|
| Discontinued Operations and Disposal Groups [Abstract] | ||||
| Cash per separation agreement | $ 700 | |||
| Net transfer of cash and cash equivalents to Keysight | $ 0 | $ 0 | $ 734 | |
| Separation transaction costs | 39 | |||
| Accumulated other comprehensive loss transferred to discontinued operations | 332 | |||
| Additional paid in capital transferred to discontinued operations | $ 28 | |||
| Transition service income | 12 | |||
| Future yearly lease income | 12 | |||
| Transition service and lease income | $ 12 | $ 12 | $ 25 | |