NET INCOME PER SHARE (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Denominators:
Basic weighted-average shares (in shares)	347,000,000	348,000,000
Potentially dilutive common stock equivalents - stock options and other employee stock plans (in shares)	5,000,000	4,000,000
Diluted weighted average shares (in shares)	352,000,000	352,000,000
Numerator:
Net Income	$ 179	$ 230
Stock Options, LTPP and restricted stock combined exercise price, unamortized fair value, excess tax benefits or shortfalls greater than average market price [Member] [Member]
Antidilutive Securities Excluded from EPS Computation
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	20,000	2,000,000
Options with exercise price greater than average market price [Member]
Antidilutive Securities Excluded from EPS Computation
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	5,600	1,700,000