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LEASES (Tables) | 12 Months Ended
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Oct. 31, 2020 | Oct. 31, 2019
Leases [Abstract] |  |
Lease, Cost [Table Text Block] | Operating lease cost for the year ended October 31, 2020 was $49 million and variable lease cost was $16 million. Costs associated with our short-term leases were immaterial for the year ended October 31, 2020. Sublease income was immaterial for the year ended October 31, 2020. Supplemental cash flow information related to our leases was as follows:
| Year Ended
| October 31, 2020
| (in millions)
Cash paid for amounts included in the measurement of lease liabilities — operating cash flows | $ | 48 |
ROU assets obtained in exchange for operating lease obligations | $ | 67 |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] | Maturity Analysis of Liabilities Future minimum rents payable as of October 31, 2020 under non-cancellable operating leases with initial terms exceeding one year reconcile to lease liabilities included in the consolidated balance sheet as follows (in millions):
2021 | $ | 49 |
2022 | 40 |
2023 | 28 |
2024 | 18 |
Thereafter | 82 |
Total undiscounted lease liability | 217 |
Imputed interest | 25 |
Total discounted lease liability | $ | 192 |
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] |  | Prior to the adoption of the new lease accounting standard, future minimum lease payments as of October 31, 2019 as reported in our Annual Report on Form 10-K for the fiscal year ended October 31, 2019 under non-cancellable operating leases with initial terms exceeding twelve months were as follows (in millions):
2020 | $ | 48 |
2021 | 40 |
2022 | 31 |
2023 | 19 |
2024 | 12 |
Thereafter | 46 |
Total future minimum lease payments | $ | 196 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121573735&loc=d3e41502-112717 + Details
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