| **Consolidated Statements of Stockholders' Equity (Deficit) (USD $)In Millions, unless otherwise specified** | Total   | Series D Convertible Junior Preference Stock | Common Stock | Additional Paid-in Capital | Accumulated Deficit | Accumulated Other Comprehensive Loss | Common Stock Held in Treasury, at Cost | Stockholders' Equity Attributable to Noncontrolling Interests |
|--------------------------------------------------------------------------------------------------------------|---------|----------------------------------------------|--------------|----------------------------|---------------------|--------------------------------------|----------------------------------------|---------------------------------------------------------------|
| Balance at Oct. 31, 2010                                                                                     | $ (932) | $ 4                                          | $ 7          | $ 2,206                    | $ (1,878)           | $ (1,196)                            | $ (124)                                | $ 49                                                          |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                               |    |                                         |         |                       |                |                                 |                                   |                                                          |
| Net Income (loss)                                                                                            | 94      |                                         |         |                       | 68                  |                                 |                                   | 26                                                            |
| Total other comprehensive income                                                                             | 140     |                                         |         |                       |                | 140                                  |                                   |                                                          |
| Transfer from redeemable equity securities upon exercise or expiration of stock options                      | 3       |                                         |         | 3                          |                |                                 |                                   |                                                          |
| Stock-based compensation                                                                                     | 21      |                                         |         | 21                         |                |                                 |                                   |                                                          |
| Stock ownership programs                                                                                     | 23      |                                         |         | 8                          |                |                                 | 15                                     |                                                          |
| Stock repurchase programs                                                                                    | (1)     |                                         |         |                       |                |                                 | (1)                                    |                                                          |
| Cash dividends paid to non-controlling interest                                                              | (32)    |                                         |         |                       |                |                                 |                                   | (32)                                                          |
| Reclass of Convertible to Mezzanine                                                                          | (84)    |                                         |         | (84)                       |                |                                 |                                   |                                                          |
| Other                                                                                                        | (1)     | (1)                                          |         |                       |                |                                 |                                   |                                                     |
| Balance at Apr. 30, 2011                                                                                     | (769)   | 3                                            | 7            | 2,154                      | (1,810)             | (1,056)                              | (110)                                  | 43                                                            |
| Balance at Oct. 31, 2011                                                                                     | 23      | 3                                            | 7            | 2,253                      | (155)               | (1,944)                              | (191)                                  | 50                                                            |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                               |    |                                         |         |                       |                |                                 |                                   |                                                          |
| Net Income (loss)                                                                                            | (302)   |                                         |         |                       | (325)               |                                 |                                   | 23                                                            |
| Total other comprehensive income                                                                             | (38)    |                                         |         |                       |                | (38)                                 |                                   |                                                          |
| Stock-based compensation                                                                                     | 11      |                                         |         | 11                         |                |                                 |                                   |                                                          |
| Stock ownership programs                                                                                     | 1       |                                         |         | (10)                       |                |                                 | 11                                     |                                                          |
| Stock repurchase programs                                                                                    | (75)    |                                         |         | 20                         |                |                                 | (95)                                   |                                                          |
| Cash dividends paid to non-controlling interest                                                              | (34)    |                                         |         |                       |                |                                 |                                   | (34)                                                          |
| Noncontrolling Interest, Period Increase (Decrease)                                                          | 0       |                                         |         | (3)                        |                |                                 |                                   | 3                                                             |
| Other                                                                                                        | 2       |                                         | 1            | 1                          |                |                                 | (1)                                    | 1                                                             |
| Balance at Apr. 30, 2012                                                                                     | $ (412) | $ 3                                          | $ 8          | $ 2,272                    | $ (480)             | $ (1,982)                            | $ (276)                                | $ 43                                                          |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Adjustment to additional paid in capital for the transfer from redeemable preferred stock that is classified as temporary equity upon exercise or expiration of options.
+ References
No definition available.
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| - Definition
Reclass of Convertible to Mezzanine
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No definition available.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".
+ References
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| - Definition
Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.
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| - Definition
Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This element represents Other Comprehensive Income or Loss, Net of Tax, for the period.  Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
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| - Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Total of Stockholders' Equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.
+ References
No definition available.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Aggregate value of stock issued during the period as a result of employee stock ownership plan (ESOP).
+ References
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| - Definition
Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.
+ References
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