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STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($) shares in Millions, $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Nov. 22, 2013 | Jul. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2017 | Jul. 31, 2016 | May 28, 2015
Share repurchase program |  |  |  |  |  |
Cost to repurchases shares of common stock under share repurchase program |  |  |  | $ 194 | $ 388 |
2014 Share Repurchase Program |  |  |  |  |  |
Share repurchase program |  |  |  |  |  |
Share repurchase program authorized amount | $ 1,000 |  |  |  |  |
Maintain weighted average diluted shares count (in shares) | 335.0 |  |  |  |  |
Cost to repurchases shares of common stock under share repurchase program |  |  |  |  | $ 98 |
Number of shares repurchased (in shares) |  |  |  |  | 2.4 |
2015 Repurchase Program |  |  |  |  |  |
Share repurchase program |  |  |  |  |  |
Share repurchase program authorized amount |  |  |  |  |  | $ 1,140
Cost to repurchases shares of common stock under share repurchase program |  |  | $ 94 | $ 194 | $ 290 |
Number of shares repurchased (in shares) |  | 0.0 | 2.2 | 4.1 | 7.3 |
Remaining authorized repurchase amount under share repurchase program |  | $ 610 |  | $ 610 |  |
Treasury Stock |  |  |  |  |  |
Treasury Stock Retired |  |  |  |  |  |
Number of treasury shares retired |  |  |  | 294.2 |  |
Aggregate cost of treasury shares retired |  |  |  | $ 10,700 |  |
Retained Earnings |  |  |  |  |  |
Treasury Stock Retired |  |  |  |  |  |
Aggregate cost of treasury shares retired |  |  |  | 6,700 |  |
Additional Paid-in Capital |  |  |  |  |  |
Treasury Stock Retired |  |  |  |  |  |
Aggregate cost of treasury shares retired |  |  |  | $ 4,000 |  |

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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