v3.24.0.1
EMPLOYEE BENEFITS PLANS (Change in Projected Benefit Obligation and Plan Assets and Reconciliation of Funded Status) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pension Benefits      
Change in Benefit Obligation      
Beginning of Period $ 411 $ 600  
Actuarial Loss (Gain) 39 (176)  
Interest Cost 22 16 $ 14
Service Cost 12 21 20
Benefits Paid (23) (35)  
Plan Amendments 0 1  
Settlements 0 (16)  
End of Period 461 411 600
Change in Fair Value of Plan Assets      
Beginning of Period 398 538  
Actual Return on Plan Assets 44 (101)  
Benefits Paid (22) (34)  
Employer Contributions 12 11  
Settlements 0 (16)  
End of Period 432 398 538
Funded Status at End of Period (29) (13)  
Expected future contribution 11    
Other Postretirement Benefits      
Change in Benefit Obligation      
Beginning of Period 74 90  
Actuarial Loss (Gain) 6 (17)  
Interest Cost 4 2 2
Service Cost 4 5 6
Benefits Paid (5) (6)  
Plan Amendments 0 0  
Settlements 0 0  
End of Period 83 74 90
Change in Fair Value of Plan Assets      
Beginning of Period 23 28  
Actual Return on Plan Assets 4 (4)  
Benefits Paid (2) (3)  
Employer Contributions 2 2  
Settlements 0 0  
End of Period 27 23 $ 28
Funded Status at End of Period (56) $ (51)  
Expected future contribution $ 2