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EMPLOYEE BENEFIT PLANS - Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligations (Details) - Defined benefit pension plans
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Weighted-average assumptions used to determine the benefit obligations      
Discount rate (as a percent) 0.50% 0.30%  
Rate of compensation increase (as a percent) 2.60% 2.60%  
Cash balance interest crediting rate (as a percent) 2.50% 2.50%  
Social securities increase (as a percent) 1.60% 1.60%  
Pension increase (as a percent) 1.80% 1.80%  
Weighted-average assumptions used to determine the net periodic benefit cost      
Discount rate (as a percent) 0.30% 0.50% 0.90%
Expected return on plan assets (as a percent) 1.50% 1.50% 2.30%
Rate of compensation increase (as a percent) 2.60% 2.70% 2.80%
Cash balance interest crediting rate (as a percent) 2.50% 1.50% 1.50%
Social securities increase (as a percent) 1.60% 1.60% 1.80%
Pension increase (as a percent) 1.80% 1.80% 1.80%