| **Stockholders' Deficit (Tables) (Tables)**                                       | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
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| **Equity [Abstract]**                                                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]      | (in millions)Unrealized Gain on Marketable Securities Foreign Currency Translation Adjustments Defined Benefit Plans TotalBalance as of October 31, 2016$1 $(280) $(2,361) $(2,640)Other comprehensive loss before reclassifications— (12) — (12)Amounts reclassified out of accumulated other comprehensive loss— — 35 35Net current-period other comprehensive income (loss)— (12) 35 23Balance as of January 31, 2017$1 $(292) $(2,326) $(2,617)(in millions)Unrealized Gain on Marketable Securities Foreign Currency Translation Adjustments Defined Benefit Plans TotalBalance as of October 31, 2015$1 $(287) $(2,315) $(2,601)Other comprehensive loss before reclassifications— (33) — (33)Amounts reclassified out of accumulated other comprehensive loss— — 33 33Net current-period other comprehensive income (loss)— (33) 33 —Balance as of January 31, 2016$1 $(320) $(2,282) $(2,601) |
| Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] | The following table presents the amounts reclassified from Accumulated other comprehensive loss and the affected line item in our Consolidated Statements of Operations:    Three Months Ended January 31,  Location in Consolidated Statements of Operations 2017 2016Defined benefit plans      Amortization of actuarial loss Selling, general and administrative expenses $35 $33Total reclassifications for the period, net of tax $35 $33                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |

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| - References
No definition available.
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| - Definition
Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).
+ References
No definition available.
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| - Definition
Tabular disclosure of the components of accumulated other comprehensive income (loss).
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580
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