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STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021	Feb. 18, 2021	Nov. 19, 2018
2019 Repurchase Program [Member]
Share repurchase program
Share repurchase program authorized amount						$ 1,750
Shares repurchased and retired during period, (Shares)				3,050,000.00
Shares repurchased and retired during period, (Value)				$ 365
Remaining authorized repurchase amount under share repurchase program					$ 193
2021 Repurchase Program [Member]
Share repurchase program
Share repurchase program authorized amount					$ 2,000
Shares repurchased and retired during period, (Shares)	2,673,000	804,352	7,331,000	2,192,000
Shares repurchased and retired during period, (Value)	$ 323	$ 113	$ 1,004	$ 287
Remaining authorized repurchase amount under share repurchase program	$ 573		$ 573

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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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