| **Stockholders' Deficit** | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
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| **Equity [Abstract]**     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| Stockholders' Deficit     | Stockholders' DeficitAccumulated Other Comprehensive Loss The following table presents changes in Accumulated other comprehensive loss, net of tax, included in our Consolidated Statements of Stockholders' Deficit:(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)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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No definition available.
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| - Definition
The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.
+ References
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