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EQUITY - INFORMATION ABOUT NON-QUALIFIED STOCK OPTIONS OUTSTANDING (Details) - $ / shares shares in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Weighted Average Remaining Contractual Life (in years) | 5 years 3 months 18 days |
Nonqualified Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number Outstanding (in shares) | 4.0 | 3.8
Weighted Average Remaining Contractual Life (in years) | 5 years 3 months 18 days |
Weighted Average Exercise Price (in dollars per share) | $ 50.01 | $ 50.02
Number Exercisable (in shares) | 2.7 | 2.7
Weighted Average Exercise Price Exercisable (in dollars per share) | $ 50.28 | $ 48.85
Nonqualified Stock Options | Exercise Prices: $30.01 - $40.00 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Range of Exercise Prices, lower range limit (in dollars per share) | 30.01 |
Range of Exercise Prices, upper range limit (in dollars per share) | $ 40.00 |
Number Outstanding (in shares) | 0.4 |
Weighted Average Remaining Contractual Life (in years) | 1 year 6 months |
Weighted Average Exercise Price (in dollars per share) | $ 37.54 |
Number Exercisable (in shares) | 0.4 |
Weighted Average Exercise Price Exercisable (in dollars per share) | $ 37.55 |
Nonqualified Stock Options | Exercise Prices: $40.01 - $50.00 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Range of Exercise Prices, lower range limit (in dollars per share) | 40.01 |
Range of Exercise Prices, upper range limit (in dollars per share) | $ 50.00 |
Number Outstanding (in shares) | 2.0 |
Weighted Average Remaining Contractual Life (in years) | 6 years 3 months 18 days |
Weighted Average Exercise Price (in dollars per share) | $ 46.83 |
Number Exercisable (in shares) | 0.9 |
Weighted Average Exercise Price Exercisable (in dollars per share) | $ 45.22 |
Nonqualified Stock Options | Exercise Prices: $50.01 - $60.00 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Range of Exercise Prices, lower range limit (in dollars per share) | 50.01 |
Range of Exercise Prices, upper range limit (in dollars per share) | $ 60.00 |
Number Outstanding (in shares) | 1.2 |
Weighted Average Remaining Contractual Life (in years) | 4 years 9 months 18 days |
Weighted Average Exercise Price (in dollars per share) | $ 54.82 |
Number Exercisable (in shares) | 1.0 |
Weighted Average Exercise Price Exercisable (in dollars per share) | $ 54.69 |
Nonqualified Stock Options | Exercise Prices: $60.01 - $70.00 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Range of Exercise Prices, lower range limit (in dollars per share) | 60.01 |
Range of Exercise Prices, upper range limit (in dollars per share) | $ 70.00 |
Number Outstanding (in shares) | 0.4 |
Weighted Average Remaining Contractual Life (in years) | 5 years 2 months 12 days |
Weighted Average Exercise Price (in dollars per share) | $ 62.26 |
Number Exercisable (in shares) | 0.4 |
Weighted Average Exercise Price Exercisable (in dollars per share) | $ 62.25 |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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