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STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	May 01, 2019	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018	Nov. 19, 2018	Nov. 01, 2018	May 28, 2015
Share repurchase program
Stock repurchased during the period - value		$ 50	$ 46	$ 125	$ 93
Aggregate cost of shares repurchased				125	93
Treasury Stock Retired
Treasury Stock, Retired, Cost Method, Amount		$ 0	$ 0	$ 0	$ 0
2019 Repurchase Program [Member]
Share repurchase program
Share repurchase program authorized amount						$ 1,750
Stock repurchased (in shares)		638,000		1,766,000
Stock repurchased during the period - value		$ 50		$ 125
Remaining authorized repurchase amount under share repurchase program		$ 1,625		$ 1,625
Treasury Stock Retired
Number of treasury shares retired (in shares)		629,000		1,757,000
Treasury Stock, Retired, Cost Method, Amount		$ 49		$ 124
2015 Repurchase Program
Share repurchase program
Share repurchase program authorized amount								$ 1,140
Stock repurchased (in shares)			674,000		1,300,000
Stock repurchased during the period - value			$ 46		$ 93
Remaining authorized repurchase amount under share repurchase program							$ 188
Treasury Stock Retired
Number of treasury shares retired (in shares)			711,000		1,300,000
Treasury Stock, Retired, Cost Method, Amount			$ 49		$ 93
Subsequent Event [Member] | 2019 Repurchase Program [Member]
Treasury Stock Retired
Number of treasury shares retired (in shares)	9,000

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The cash outflow to reacquire common stock during the period.

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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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