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NEW ACCOUNTING PRONOUNCEMENTS - Textuals (Details) - USD ($) $ in Millions		12 Months Ended
	Nov. 01, 2018	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ (7)
Retained Earnings (Accumulated Deficit)	(303)	$ (18)	$ (336)
Long-term Investments	75	$ 102	68
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%
Operating Lease, Right-of-Use Asset		$ 195
Impact of Adopting New Revenue Recognition Guidance [Member]
Retained Earnings (Accumulated Deficit)	23
Long-term Investments	0
Impact of Adopting New Tax Effects in AOCI Guidance [Member]
Retained Earnings (Accumulated Deficit)	7
Long-term Investments	0
Impact of Adopting New Intra-Entity Tax Guidance [Member]
Retained Earnings (Accumulated Deficit)	(2)
Long-term Investments	0
Impact of Adopting New Investments Valuation Guidance [Member]
Retained Earnings (Accumulated Deficit)	5
Long-term Investments	$ 7
Impact of Adopting New Retirement Benefits Guidance [Member]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification		$ 10	$ 24	$ 34

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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