| **STOCK-BASED COMPENSATION PLANS (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions**  | 1 Months Ended | 12 Months Ended |
|-----------------------------------------------------------------------------------------------------------------------------|----------------|-----------------|
||
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                          |           |            |   |   |
| Number of additional shares authorized (in shares)                                                                          | 3,000          |            |   |   |
| Number of shares authorized (in shares)                                                                                     |           | 7,000           |   |   |
| Number of shares available for grant (in shares)                                                                            |           | 7,000           |   |   |
| Issuance of common stock for employee stock plans and other                                                                 |           | $ 70            | $ 81 | $ 180 |
| Deferred Stock Units for Nonemployee Directors [Member]                                                                     |           |            |   |   |
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                          |           |            |   |   |
| Deferred stock units for nonemployee directors granted (in shares)                                                          |           | 13              |   |   |
| Deferred stock units for nonemployee directors reinvested dividends (in shares)                                             |           | 5               |   |   |
| Deferred stock units for nonemployee directors distributed (in shares)                                                      |           | 17              |   |   |
| Deferred stock units for nonemployee directors granted weighted average fair value on grant date (in dollars per share)     |           | $ 146.75        |   |   |
| Deferred stock units for nonemployee directors reinvested weighted average fair value on grant date (in dollars per share)  |           | 129.15          |   |   |
| Deferred stock units for nonemployee directors distributed weighted average fair value on grant date (in dollars per share) |           | $ 65.91         |   |   |
| Deferred stock units for nonemployee directors outstanding (in shares)                                                      |           | 206             |   |   |
| Deferred stock units for nonemployee directors outstanding weighted average fair value on grant date (in dollars per share) |           | $ 81.01         |   |   |
| Employee Stock Option [Member]                                                                                              |           |            |   |   |
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                          |           |            |   |   |
| Weighted average fair value per share (in dollars per share)                                                                |           | $ 15.33         | $ 13.75 | $ 13.21 |
| Total intrinsic value of options exercised                                                                                  |           | $ 51            | $ 65 | $ 142 |
| Award vesting period                                                                                                        |           | 4 years         |   |   |
| Expiration period                                                                                                           |           | 10 years        |   |   |
| Compensation cost not yet recognized                                                                                        |           | $ 15            |   |   |
| Compensation costs not yet recognized, period for recognition                                                               |           | 1 year          |   |   |
| Restricted Stock [Member]                                                                                                   |           |            |   |   |
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                          |           |            |   |   |
| Compensation cost not yet recognized                                                                                        |           | $ 14            |   |   |
| Compensation costs not yet recognized, period for recognition                                                               |           | 2 years         |   |   |
| Granted (in dollars per share)                                                                                              |           | $ 135.29        | $ 131.67 | $ 128.91 |
| Nonvested awards outstanding (in shares)                                                                                    |           | 156             | 18 |   |
| Weighted-average grant date fair value per share of nonvested awards (in dollars per share)                                 |           | $ 135           | $ 120 |   |
| Awards vested (in shares)                                                                                                   |           | 10              |   |   |
| Fair value of shares vested                                                                                                 |           | $ 1             | $ 1 | $ 1 |
| Restricted Stock [Member] | Minimum [Member]                                                                                |           |            |   |   |
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                          |           |            |   |   |
| Award vesting period                                                                                                        |           | 3 years         |   |   |
| Restricted Stock [Member] | Maximum [Member]                                                                                |           |            |   |   |
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                          |           |            |   |   |
| Award vesting period                                                                                                        |           | 4 years         |   |   |
| Performance Shares [Member]                                                                                                 |           |            |   |   |
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                          |           |            |   |   |
| Compensation cost not yet recognized                                                                                        |           | $ 15            |   |   |
| Compensation costs not yet recognized, period for recognition                                                               |           | 1 year          |   |   |
| Granted (in dollars per share)                                                                                              |           | $ 135.47        | $ 122.73 | $ 92.35 |
| Nonvested awards outstanding (in shares)                                                                                    |           | 544             | 738 |   |
| Weighted-average grant date fair value per share of nonvested awards (in dollars per share)                                 |           | $ 120.69        | $ 108.00 |   |
| Awards vested (in shares)                                                                                                   |           | 389             |   |   |
| Fair value of shares vested                                                                                                 |           | $ 35            | $ 0 | $ 26 |

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The weighted-average grant date fair value of the deferred stock units for nonemployee directors dividends distributed during the period.
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Deferred stock units for nonemployee directors granted.
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The number of shares of deferred stock units for nonemployee directors outstanding as of the end of the period.
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The weighted-average grant date fair value of the deferred stock units for nonemployee directors outstanding as of the end of the period.
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Deferred Stock Units For Non-Employee Directors, Reinvested Dividends.
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The weighted-average grant date fair value of the deferred stock units for nonemployee directors dividends reinvested during the period.
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| - Definition
Unrecognized cost of unvested share-based compensation awards.
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| - Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
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| - Definition
Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.
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| - Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
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| - 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).
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| - Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.
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| - Definition
The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.
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| - Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.
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| - Definition
Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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| - Definition
Number of additional shares authorized for issuance under an established share-based compensation plan.
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| - Definition
The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).
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| - Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.
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| - Definition
Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.
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| - Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
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| - Definition
Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
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