STOCK OPTION AND RESTRICTED STOCK AWARDS (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Employee Service Share-based Compensation, Aggregate Disclosures
Number of additional shares authorized for grant related to stock options or restricted stock	13.7
Stock Option Activity - Aggregate Intrinsic Value
Cash received from stock option exercises	$ 61.0	$ 170.0	$ 129.1
Stock Options
Employee Service Share-based Compensation, Aggregate Disclosures
Options term after date of grant	10 years
Assumptions used for the binomial lattice model to determine the fair value of options
Risk-free interest rate, low end of range (as a percent)	0.01%	0.08%	0.01%
Risk-free interest rate, high end of range (as a percent)	2.00%	3.30%	3.60%
Expected dividends (as a percent)	1.90%	1.90%	2.90%
Expected volatility, low end of range (as a percent)	34.10%	34.40%	35.30%
Expected volatility, high end of range (as a percent)	41.90%	34.60%	47.20%
Weighted-average volatility (as a percent)	33.60%	34.40%	35.60%
Stock Option Activity - Shares
Outstanding at beginning of year (in shares)	16.9
Granted (in shares)	2.5
Exercised (in shares)	(1.8)
Expired or forfeited (in shares)	(0.2)
Outstanding at end of year (in shares)	17.4	16.9
Exercisable at end of year (in shares)	12.8
Stock Option Activity - Exercise Price, Weighted-averages
Outstanding, weighted average exercise price at beginning of year (in dollars per share)	$ 51.70
Granted, weighted average exercise price (in dollars per share)	$ 74.24
Exercised, weighted average exercise price (in dollars per share)	$ 33.33
Expired or Forfeited, weighted average exercise price (in dollars per share)	$ 74.51
Outstanding, weighted average exercise price at end of year (in dollars per share)	$ 56.78	$ 51.70
Exercisable, weighted average exercise price at end of year (in dollars per share)	$ 51.58
Stock Option Activity - Remaining Contractual Term (Years)
Outstanding at end of year, Remaining Contractual Term	5 years 11 months 16 days
Exercisable at end of year, Remaining Contractual Term	5 years 29 days
Stock Option Activity - Aggregate Intrinsic Value
Outstanding at end of year, Aggregate Intrinsic Value	500.2
Exercisable at end of year, Aggregate Intrinsic Value	432.5
Weighted-average grant-date fair values of options granted (in dollars per share)	$ 22.51	$ 25.61	$ 15.71
Total intrinsic values of options exercised	88	231	139
Cash received from stock option exercises	61.0	170.0	129.0
Tax benefits, exercise of stock options	$ 33	$ 85	$ 51
Stock Options | Minimum
Employee Service Share-based Compensation, Aggregate Disclosures
Vesting period under share-based incentive plans	1 year
Assumptions used for the binomial lattice model to determine the fair value of options
Expected term	6 years 9 months 18 days	6 years 9 months 18 days	6 years 7 months 6 days
Stock Options | Maximum
Employee Service Share-based Compensation, Aggregate Disclosures
Vesting period under share-based incentive plans	3 years
Assumptions used for the binomial lattice model to determine the fair value of options
Expected term	7 years 9 months 18 days	7 years 9 months 18 days	7 years 8 months 12 days
Restricted Stock Units
Employee Service Share-based Compensation, Aggregate Disclosures
Vesting period under share-based incentive plans	3 years