| **Stockholders' Deficit** | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
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| **Equity [Abstract]**     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Stockholders' Deficit     | Stockholders' DeficitAccumulated Other Comprehensive Loss Changes in Accumulated other comprehensive loss, net of tax, included in the Consolidated Statements of Stockholders' Deficit, consisted of the following: (in millions)Unrealized Gain on Marketable Securities Foreign Currency Translation Adjustments Defined Benefit Plan TotalBalance as of October 31, 2014$1 $(127) $(2,137) $(2,263)Other comprehensive income (loss) before reclassifications— (59) — (59)Amounts reclassified out of accumulated other comprehensive loss— — 32 32Net current-period other comprehensive income (loss)— (59) 32 (27)Balance as of January 31, 2015$1 $(186) $(2,105) $(2,290)(in millions)Unrealized Gain on Marketable Securities Foreign Currency Translation Adjustments Defined Benefit Plan TotalBalance as of October 31, 2013$— $(75) $(1,749) $(1,824)Other comprehensive loss before reclassifications— (62) (1) (63)Amounts reclassified out of accumulated other comprehensive loss— — 26 26Net current-period other comprehensive income (loss)— (62) 25 (37)Balance as of January 31, 2014$— $(137) $(1,724) $(1,861)The following table displays the amounts reclassified from Accumulated other comprehensive loss and the affected line item in the Consolidated Statements of Operations:    Three Months Ended January 31,  Location in Consolidated Statements of Operations 2015 2014Defined benefit plans      Amortization of prior service costs Selling, general and administrative expenses $(1) $(1)Amortization of actuarial loss Selling, general and administrative expenses 33 27Total reclassifications for the period (net of tax of $0 at both dates) $32 $26 |

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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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