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Taxes on Earnings - Schedule of Current and Long-term Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 31, 2018	Oct. 31, 2017
Income Tax Disclosure [Abstract]
Long-term deferred tax assets	$ 2,431	$ 342
Long-term deferred tax liabilities	(100)	(1,410)
Total	$ 2,331
Total		$ (1,068)

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- Definition

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.

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