NET INCOME PER SHARE (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Numerator:
Net income	$ 168	$ 121
Denominators:
Basic weighted-average shares (in shares)	322,000,000	329,000,000
Potential common shares - stock options and other employee stock plans (in shares)	4,000,000	3,000,000
Diluted weighted average shares (in shares)	326,000,000	332,000,000
Options with exercise price greater than average market price
Denominators:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0	1,200,000
Stock Options, LTPP and restricted stock combined exercise price, unamortized fair value, excess tax benefits or shortfalls greater than average market price
Denominators:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0	4,300