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INVESTMENTS (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019	Nov. 01, 2018
Long-Term [Abstract]
Short-term Investments	$ 91	$ 0
Equity investments - without readily determinable fair value	120	103
Equity Securities, FV-NI, Noncurrent	31	25
Trading securities	34	30
Long-term investments	185	158
Amounts included in other income (expense), net [Abstract]
Net unrealized gains on our equity securities with RDFV	92	27	$ 4
Retained earnings	348	81
Net gain on equity securities	98	27	4
Equity Securities, FV-NI, Realized Gain (Loss)	(6)	0	0
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount	17	27	1
Trading, Unrealized Gain (Loss)	$ 8	$ 2	$ 3
Accounting Standards Update 2016-01
Long-Term [Abstract]
Long-term investments				$ 7
Amounts included in other income (expense), net [Abstract]
Retained earnings				$ 5

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Gain (Loss) on Investments, Marketable Securities [Abstract]

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