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REVENUE CONTRACT LIABILITIES ROLL FORWARD (Details) - USD ($) $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Jan. 31, 2020 | Jan. 31, 2019 | Nov. 01, 2019 | Nov. 01, 2018 | Oct. 31, 2018
Balance at October 31 | $ 510 | $ 461 |  |  |
Impact of adopting new revenue standard |  |  |  |  | $ 76
Balance at November 1 | 539 | 443 | $ 510 | $ 397 | $ 461
Deferral of revenue billed in current period, net of recognition | 161 | 167 |  |  |
Revenue recognized that was deferred as of the beginning of the period | (132) | (124) |  |  |
Contract Liabilities- translation impact | 0 | 3 |  |  |
Balance at January 31 | $ 539 | $ 443 |  |  |
Accounting Standards Update 2014-09 |  |  |  |  |
Impact of adopting new revenue standard |  |  | $ 0 | $ (64) |

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
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