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EMPLOYEE RETIREMENT PLANS - Qualified Defined-benefit Pension Plan Weighted Average Asset Allocation (Details)
Dec. 31, 2023
Dec. 31, 2022
Plan Assets    
Weighted average asset allocation (as a percent) 100.00% 100.00%
Equity securities    
Plan Assets    
Weighted average asset allocation (as a percent) 28.00% 30.00%
Debt securities    
Plan Assets    
Weighted average asset allocation (as a percent) 29.00% 38.00%
Other    
Plan Assets    
Weighted average asset allocation (as a percent) 43.00% 32.00%