FAIR VALUE MEASUREMENTS, Non Marketable Securities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Fair Value Disclosures [Abstract]
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount	$ 0	$ 0	$ 0	$ 0
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount	0	2	0	5
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount	36	35	36	35
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount	1	0	1	0
Non-marketable equity securities carrying amount	$ 124	$ 136	$ 124	$ 136