STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
	Nov. 22, 2013	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	May 28, 2015
Share repurchase program
Cost to repurchases shares of common stock under share repurchase program				$ 388	$ 267
2014 Share Repurchase Program
Share repurchase program
Share repurchase program authorized amount	$ 1,000
Maintain weighted average diluted shares count (in shares)	335.0
Cost to repurchases shares of common stock under share repurchase program			$ 267	$ 98
Number of shares repurchased (in shares)			6.0	2.4
2015 Repurchase Program
Share repurchase program
Share repurchase program authorized amount						$ 1,140
Cost to repurchases shares of common stock under share repurchase program		$ 94		$ 290
Number of shares repurchased (in shares)		2.2		7.3
Remaining authorized repurchase amount under share repurchase program		$ 850		$ 850