NET INCOME PER SHARE (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Numerator:
Income from continuing operations	$ 123	$ 93
Loss from discontinued operations	0	(30)
Net income	$ 123	$ 63
Denominators:
Basic weighted-average shares (in shares)	329,000,000	336,000,000
Potential common shares - stock options and other employee stock plans (in shares)	3,000,000	2,000,000
Diluted weighted average shares (in shares)	332,000,000	338,000,000
Options with exercise price greater than average market price
Antidilutive Securities Excluded from EPS Computation
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	1,200,000	1,300,000
Stock Options, LTPP and restricted stock combined exercise price, unamortized fair value, excess tax benefits or shortfalls greater than average market price
Antidilutive Securities Excluded from EPS Computation
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	4,300	0