STOCK OPTION AND RESTRICTED STOCK AWARDS (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Share-based Compensation, Aggregate Disclosures
Increase in the number of shares authorized for awards (in shares)	16.9
Stock Option Activity - General Disclosures
Cash received from stock option exercises	$ 170.0	$ 129.1	$ 16.5
Stock Options
Share-based Compensation, Aggregate Disclosures
Vesting period of options under share-based incentive plans, low end of the range (in years)	1Y
Vesting period of options under share-based incentive plans, high end of the range (in years)	3Y
Options term after date of grant (in years)	10
Fair value assumptions method used	binomial lattice model
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)	0.08%	0.01%	0.03%
Risk-free interest rate, high end of range (as a percent)	3.30%	3.60%	2.30%
Expected dividends (as a percent)	1.90%	2.90%	1.50%
Expected volatility, low end of range (as a percent)	34.40%	35.30%	35.40%
Expected volatility, high end of range (as a percent)	34.60%	47.20%	71.70%
Weighted-average volatility (as a percent)	34.40%	35.60%	36.00%
Expected term, low end of range (in years)	6.8	6.6	6.7
Expected term, high end of range (in years)	7.8	7.7	7.8
Stock Option Activity - Shares
Outstanding at beginning of year (in shares)	19.4
Granted (in shares)	2.2
Exercised (in shares)	(4.6)
Expired or forfeited (in shares)	(0.1)
Outstanding at end of year (in shares)	16.9	19.4
Exercisable at end of year (in shares)	11.2
Stock Option Activity - Exercise Price, Weighted-averages
Outstanding, weighted average exercise price at beginning of year (in dollars per share)	$ 45.12
Granted, weighted average exercise price (in dollars per share)	$ 80.61
Exercised, weighted average exercise price (in dollars per share)	$ 36.99
Expired or Forfeited, weighted average exercise price (in dollars per share)	$ 67.45
Outstanding, weighted average exercise price at end of year (in dollars per share)	$ 51.70	$ 45.12
Exercisable, weighted average exercise price at end of year (in dollars per share)	$ 47.52
Stock Option Activity - Remaining Contractual Term (Years)
Outstanding at end of year, Remaining Contractual Term (in years)	6.14
Exercisable at end of year, Remaining Contractual Term (in years)	5.08
Stock Option Activity - Aggregate Intrinsic Value
Outstanding at end of year, Aggregate Intrinsic Value	441.4
Exercisable at end of year, Aggregate Intrinsic Value	341.9
Stock Option Activity - General Disclosures
Weighted-average grant-date fair values of options granted (in dollars per share)	$ 25.61	$ 15.71	$ 13.06
Total intrinsic values of options exercised	231	139	12
Cash received from stock option exercises	170.0	129.0	16.0
Tax benefits, exercise of stock options	$ 85	$ 51	$ 4
Restricted Stock Units
Share-based Compensation, Aggregate Disclosures
Vesting period of restricted stock awards (in years)	3Y