| **STOCK OPTIONS AND OTHER SHARE-BASED COMPENSATION - Summary of Awards Granted (Details) - $ / shares shares in Millions** | 9 Months Ended |
|----------------------------------------------------------------------------------------------------------------------------|----------------|
||
| **Shares**                                                                                                                 |           |   |
| Options granted (in shares)                                                                                                | 0.4            | 0.4 |
| **Weighted Average Grant Date Fair Value Per Share [Abstract]**                                                            |           |   |
| Stock options granted (in dollars per share)                                                                               | $ 209.88       | $ 231.71 |
| Restricted Stock and Restricted Stock Units                                                                                |           |   |
| **Shares**                                                                                                                 |           |   |
| Equity instruments other than options granted (in shares)                                                                  | 0.3            | 0.3 |
| **Weighted Average Grant Date Fair Value Per Share [Abstract]**                                                            |           |   |
| Equity instruments other than options granted (in dollars per share)                                                       | $ 200.61       | $ 224.79 |
| Award vesting period                                                                                                       | 3 years        |   |
| Performance Share Units                                                                                                    |           |   |
| **Shares**                                                                                                                 |           |   |
| Equity instruments other than options granted (in shares)                                                                  | 0.2            | 0.2 |
| **Weighted Average Grant Date Fair Value Per Share [Abstract]**                                                            |           |   |
| Equity instruments other than options granted (in dollars per share)                                                       | $ 223.09       | $ 258.83 |
| Award vesting period                                                                                                       | 3 years        |   |
| Stock Options                                                                                                              |           |   |
| **Weighted Average Grant Date Fair Value Per Share [Abstract]**                                                            |           |   |
| Award vesting period                                                                                                       | 3 years        |   |

| X                                                                                                                                                                                                                                                                                                                                               |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Share-based Compensation Arrangement by Share-based Payment Award, Awards Granted
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Weighted Average Grant Date Fair Value Per Share
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Net number of share options (or share units) granted during the period.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
+ References
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| X                                                                                                                                                             |
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| X                                                                                                                                             |
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| X                                                                                                                                               |
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