Acquisitions and Divestitures - Table (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2015 |
Oct. 31, 2014 |
Oct. 31, 2016 |
|
| Business Acquisition [Line Items] | |||
| Goodwill | $ 27,261 | $ 25,960 | $ 24,178 |
| Intangible assets | 25 | ||
| Total fair value of consideration | $ 55 | ||
| Undefined | |||
| Business Acquisition [Line Items] | |||
| Goodwill | 1,987 | ||
| Intangible assets | 704 | ||
| Net assets assumed | 221 | ||
| Total fair value of consideration | 3,071 | ||
| In-process research and development | Undefined | |||
| Business Acquisition [Line Items] | |||
| Intangible assets | $ 159 | ||
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The amount of identifiable intangible assets recognized as of the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of liabilities assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|