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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Period Type:	duration

STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Nov. 19, 2018
2019 Repurchase Program [Member]
Share repurchase program
Share repurchase program authorized amount			$ 1,750
Stock repurchased and retired during period, (Shares)	725,827	1,100,000
Stock repurchased and retired during period, (Value)	$ 60
Remaining authorized repurchase amount under share repurchase program	$ 967
2015 Repurchase Program
Share repurchase program
Stock repurchased and retired during period, (Value)		$ 75