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INCOME TAXES - Carryforwards (Details) $ in Millions	Oct. 31, 2020 USD ($)
Net Operating loss carryforwards
Federal net operating loss carryforwards	$ 11
State net operating loss carryforwards	530
Foreign net operating loss carryforwards	411
Foreign
Net Operating loss carryforwards
Net operating loss carryforwards, subject to expiration	123
Net operating loss carryforwards, not subject to expiration	288
Capital Loss Carryforward
Capital loss carryforwards	118
Domestic
Capital Loss Carryforward
Capital loss carryforwards	48
State
Tax Credit Carryforwards
Tax credit carryforwards	$ 83

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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