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REVENUE CAPITALIZED CONTRACTUAL COST (Tables) | 6 Months Ended
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Apr. 30, 2019
Capitalized Contract Cost [Line Items] |
Capitalized Contract Cost [Abstract] | The following table provides a roll-forward of our capitalized contract costs, current and non-current:
| Six Months Ended
| April 30, 2019
| (in millions)
Balance at October 31, 2018 | $ | — |
Costs capitalized on November 1, 2018 due to ASC 606 adoption | 29 |
Costs capitalized during the period | 33 |
Costs amortized during the period | (36 | )
Balance at April 30, 2019 | $ | 26 |

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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. + References No definition available. + Details
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- Definition Tabular disclosure of cost capitalized in obtaining or fulfilling contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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