Discontinued Operations - Income (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Net loss from discontinued operations | $ (125) | $ (2) | $ (113) | $ (97) |
| Enterprise Services | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Net Revenue | 2,487 | 4,202 | 6,338 | 8,394 |
| Cost of revenue | 2,073 | 3,601 | 5,357 | 7,312 |
| Expenses | 643 | 560 | 1,203 | 1,129 |
| Interest and other, net | 4 | 8 | 4 | 14 |
| (Loss) earnings from discontinued operations before taxes | (233) | 33 | (226) | (61) |
| Benefit (provision) for taxes | 108 | (35) | 113 | (36) |
| Net loss from discontinued operations | $ (125) | $ (2) | $ (113) | $ (97) |
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- Definition Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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.
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