Overview and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Nov. 01, 2015 |
Oct. 31, 2016 |
Oct. 31, 2015 |
Oct. 31, 2014 |
|
| Segment Reporting Information | ||||
| Outstanding shares of company distributed to shareholders of former parent | 100.00% | |||
| Separation related adjustments | $ 1,200 | |||
| Advertising cost | $ 340 | $ 224 | $ 220 | |
| HP Inc. | ||||
| Segment Reporting Information | ||||
| Shares distributed (shares) | 1 | |||
| Shares distributed to shareholder (shares) | 1,800,000,000 | |||