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EMPLOYEE BENEFIT PLANS (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2030
Defined Benefit Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Weighted average discount rate used to determine net periodic benefit cost 5.25% 2.86% 2.55%  
Rate of compensation increase to determine the net periodic benefit cost 4.00% 4.00% 4.00%  
Expected long-term rate of return on plan assets 7.00% 6.75% 7.00%  
Weighted average discount rates used to determine actuarial present value of the projected benefit obligation 5.00% 5.25% 2.86%  
Company contributions $ 1,000,000 $ 6,000,000 $ 4,000,000  
Defined Benefit Pension Plans | Fair Value, Recurring        
Defined Benefit Plan Disclosure [Line Items]        
Private equity limited partnership   2,000,000    
Defined Benefit Pension Plans | Qualified Plan        
Defined Benefit Plan Disclosure [Line Items]        
Company contributions $ 0 0    
Defined Contribution Plans | Us Employees        
Defined Benefit Plan Disclosure [Line Items]        
Defined contribution plans, employer contribution plans, employer contribution percentage, maximum 3.00%      
Defined contribution plans, employer contribution percentage, for new hires, minimum 3.00%      
Defined contribution plans, employer contribution percentage, for new hires, maximum 8.00%      
Vested contribution after three years, percentage 100.00%      
Defined contribution plans vesting period, years 3 years      
Incurred expenses (reversal) $ 22,000,000 18,000,000 15,000,000  
Defined Contribution Plans | Non US Employees        
Defined Benefit Plan Disclosure [Line Items]        
Incurred expenses (reversal) $ 700,000 $ 700,000 $ 600,000  
Defined contribution plan employer contribution percentage for branch offices, minimum 7.50%      
Defined contribution plan employer contribution percentage for branch offices, maximum 9.30%      
Post-Retirement Plan        
Defined Benefit Plan Disclosure [Line Items]        
Weighted average discount rate used to determine net periodic benefit cost 5.25% 2.86% 2.55%  
Weighted average discount rates used to determine actuarial present value of the projected benefit obligation 5.00% 5.25% 2.86%  
Incurred expenses (reversal) $ (1,000,000) $ 1,000,000 $ 1,000,000  
Health inflation rate 6.75%      
Post-Retirement Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Health inflation rate       4.75%
Equity securities | Defined Benefit Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Plan assets consist of shares in investment trusts, percentage 75.00%      
Target asset allocation percentage 70.00%      
Fixed maturities | Defined Benefit Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Plan assets consist of shares in investment trusts, percentage 24.00%      
Cash | Defined Benefit Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Plan assets consist of shares in investment trusts, percentage 1.00%      
Bonds | Defined Benefit Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Target asset allocation percentage 30.00%