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STOCK OPTION AND RESTRICTED STOCK AWARDS - Stock Option Activity and Assumptions (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended
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Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014
Employee Service Share-based Compensation, Aggregate Disclosures |  |  |
Number of additional shares authorized for grant related to stock options or restricted stock | 13.2 |  |
Stock Option Activity - Aggregate Intrinsic Value |  |  |
Cash received from stock option exercises | $ 36.0 | $ 172.1 | $ 149.5
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) | 0.23% | 0.04% | 0.03%
Risk-free interest rate, high end of range (as a percent) | 2.30% | 2.30% | 2.90%
Expected dividends (as a percent) | 2.80% | 2.50% | 2.30%
Expected volatility, low end of range (as a percent) | 25.20% | 23.40% | 25.90%
Expected volatility, high end of range (as a percent) | 29.00% | 25.70% | 32.00%
Weighted-average volatility (as a percent) | 26.50% | 25.60% | 31.90%
Stock Option Activity - Shares |  |  |
Outstanding at beginning of year (in shares) | 14.8 |  |
Granted (in shares) | 3.5 |  |
Exercised (in shares) | (0.7) |  |
Expired or forfeited (in shares) | (0.1) |  |
Outstanding at end of year (in shares) | 17.5 | 14.8 |
Exercisable at end of year (in shares) | 11.8 |  |
Stock Option Activity - Exercise Price, Weighted-averages |  |  |
Outstanding, weighted average exercise price at beginning of year (in dollars per share) | $ 77.39 |  |
Granted, weighted average exercise price (in dollars per share) | 79.24 |  |
Exercised, weighted average exercise price (in dollars per share) | 51.98 |  |
Expired or Forfeited, weighted average exercise price (in dollars per share) | 82.95 |  |
Outstanding, weighted average exercise price at end of year (in dollars per share) | 78.73 | $ 77.39 |
Exercisable, weighted average exercise price at end of year (in dollars per share) | $ 76.75 |  |
Stock Option Activity - Remaining Contractual Term (Years) |  |  |
Outstanding at end of year, Remaining Contractual Term | 6 years 1 month 6 days |  |
Exercisable at end of year, Remaining Contractual Term | 4 years 10 months 24 days |  |
Stock Option Activity - Aggregate Intrinsic Value |  |  |
Outstanding at end of year, Aggregate Intrinsic Value | $ 153.0 |  |
Exercisable at end of year, Aggregate Intrinsic Value | $ 126.6 |  |
Weighted-average grant-date fair values of options granted (in dollars per share) | $ 16.88 | $ 19.67 | $ 24.74
Total intrinsic values of options exercised | $ 23.0 | $ 98.0 | $ 125.0
Cash received from stock option exercises | 36.0 | 172.0 | 149.0
Tax benefits, exercise of stock options | $ 8.0 | $ 36.0 | $ 46.0
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 | 7 years | 7 years 2 months 12 days | 7 years 3 months 18 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 | 8 years 7 months 6 days | 8 years 2 months 12 days | 7 years 4 months 24 days
Restricted Stock Units |  |  |
Employee Service Share-based Compensation, Aggregate Disclosures |  |  |
Vesting period under share-based incentive plans | 3 years |  |

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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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