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STOCK OWNERSHIP AND COMPENSATION PLANS (Employee and Non-employee Directors Stock Ownership Programs) (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Employee Long Term Incentive Plan ELTIP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Contractual life of stock options and other awards under the shared-based compensation plans 10 years    
Number of shares available for award 79,000    
Restated Director Long-Term Incentive Plan (DLTIP) Amendment      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Contractual life of stock options and other awards under the shared-based compensation plans 10 years    
Restated Director Long-Term Incentive Plan (DLTIP)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Number of shares available for award 2,400    
Shares granted 14 15 13