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STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Mar. 01, 2023	Jan. 09, 2023	Feb. 18, 2021
Share repurchase program
Excise Taxes Payable	$ 1		$ 1
2021 Repurchase Program [Member]
Share repurchase program
Share repurchase program authorized amount							$ 2,000
Shares repurchased and retired during period, (Shares)		162,399		661,739
Shares repurchased and retired during period, (Value)		$ 24		$ 99
Remaining authorized repurchase amount under share repurchase program					$ 339
2023 Repurchase Program
Share repurchase program
Share repurchase program authorized amount						$ 2,000
Shares repurchased and retired during period, (Shares)	1,594,000	443,690	1,594,000	443,690
Shares repurchased and retired during period, (Value)	$ 230	$ 61	$ 230	$ 61
Remaining authorized repurchase amount under share repurchase program	$ 1,294		$ 1,294

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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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