NET INCOME (LOSS) PER SHARE (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Numerator:      
Income from continuing operations $ 684 $ 462 $ 438
Loss from discontinued operations 0 0 (37)
Net income $ 684 $ 462 $ 401
Denominator:      
Basic weighted average shares 322,000,000 326,000,000 333,000,000
Potential common shares - stock options and other employeee stock plans 4,000,000 3,000,000 2,000,000
Diluted weighted average shares 326,000,000 329,000,000 335,000,000
Share-based awards issued      
Total number of share-based awards issued (in shares) 3,000,000 3,000,000 3,000,000
Options with exercise price greater than average market price [Member]      
Antidilutive securities excluded from EPS computation      
Antidilutive shares excluded from EPS computation (in shares) 0 842,200 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 [Member]      
Antidilutive securities excluded from EPS computation      
Antidilutive shares excluded from EPS computation (in shares) 200 229,600 368,900