v3.7.0.1

Stockholders' Equity - Rollforward (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | $ 31,518 |
Everett Transaction |  |  | (1,349) |
Net loss |  |  | (349) |
Other comprehensive income, net of taxes | $ 1 | $ (75) | 476 | $ (152)
Comprehensive income |  |  | 127 |
Repurchase of common stock |  |  | (1,350) |
Cash dividends declared |  |  | (324) |
Stock-based compensation expense |  |  | 378 |
Other |  |  | 47 |
Balance at end of period | 29,047 |  | 29,047 |
Net loss attributable to parent | $ 612 | $ (320) | 345 | $ (587)
Net loss attributable to noncontrolling interests |  |  | 4 |
Retained Earnings |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Everett Transaction |  |  | 3,900 |
Noncontrolling Interest |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Everett Transaction |  |  | 30 |
AOCI Including Portion Attributable to Noncontrolling Interest |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Everett Transaction |  |  | 2,600 |
Unallocated |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Stock-based compensation expense |  |  | 219 |
Income From Discontinued Operations |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Stock-based compensation expense |  |  | 100 |
Separation Costs |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Stock-based compensation expense |  |  | 33 |
Restructuring Charges |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Stock-based compensation expense |  |  | 19 |
Acquisition-related Costs |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Stock-based compensation expense |  |  | $ 7 |

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831223 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 + Details
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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