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INCOME TAXES - Carryforwards (Details) $ in Millions	Oct. 31, 2019 USD ($)
Net Operating loss carryforwards
Federal net operating loss carryforwards	$ 48
State net operating loss carryforwards	571
Foreign net operating loss carryforwards	577
Foreign
Net Operating loss carryforwards
Net operating loss carryforwards, subject to expiration	155
Net operating loss carryforwards, not subject to expiration	422
Capital Loss Carryforward
Capital loss carryforwards	116
Domestic
Capital Loss Carryforward
Capital loss carryforwards	48
State
Tax Credit Carryforwards
Tax credit carryforwards	$ 78

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

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