NET INCOME (LOSS) PER SHARE (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Numerator:
Income from continuing operations	$ 462	$ 438	$ 232
Income (loss) from discontinued operations	0	(37)	317
Net income	$ 462	$ 401	$ 549
Denominator:
Basic weighted average shares	326,000,000	333,000,000	333,000,000
Potential common shares - stock options and other employeee stock plans	3,000,000	2,000,000	5,000,000
Diluted weighted average shares	329,000,000	335,000,000	338,000,000
Share-based awards issued
Total number of share-based awards issued (in shares)	3,000,000	3,000,000	6,000,000
Options with exercise price greater than average market price [Member]
Antidilutive securities excluded from EPS computation
Antidilutive shares excluded from EPS computation (in shares)	842,200	1,200,000	1,500
Stock Options, LTPP and restricted stock combined exercise price, unamortized fair value, excess tax benefits or shortfalls greater than average market price [Member]
Antidilutive securities excluded from EPS computation
Antidilutive shares excluded from EPS computation (in shares)	229,600	368,900	383,200