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STOCKHOLDERS' EQUITY Stock Repurchases (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019	Feb. 18, 2021	Nov. 19, 2018
Share Repurchase Program [Line Items]
Stock Repurchased and Retired During Period, Value	$ 788.0	$ 469.0	$ 723.0
2019 Repurchase Program [Member]
Share Repurchase Program [Line Items]
Stock Repurchase Program, Authorized Amount					$ 1,750.0
Stock Repurchased and Retired During Period, Shares	3,100,000	5,200,000	10,400,000
Stock Repurchased and Retired During Period, Value	$ 365.0	$ 469.0	$ 723.0
Remaining authorized repurchase amount				$ 193.0
2021 Repurchase Program
Share Repurchase Program [Line Items]
Stock Repurchase Program, Authorized Amount				$ 2,000.0
Stock Repurchased and Retired During Period, Shares	3,000,000
Stock Repurchased and Retired During Period, Value	$ 423.0
Remaining authorized repurchase amount	1,577.0
Retained Earnings
Share Repurchase Program [Line Items]
Stock Repurchased and Retired During Period, Value	707.0	398.0	580.0
Additional Paid-in Capital
Share Repurchase Program [Line Items]
Stock Repurchased and Retired During Period, Value	$ 81.0	$ 71.0	$ 143.0

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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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