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EMPLOYEE BENEFIT PLANS - Schedule of Fair Value and Allocation of Plan Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 1,796 $ 1,648
Actual % of Plans' Assets 100.00% 100.00%
Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 875 $ 841
Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 8 13
Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Not Classified    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 913 794
Cash and equivalents    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 68 $ 56
Actual % of Plans' Assets 4.00% 3.00%
Cash and equivalents | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Weighted Average Target Allocation Pension Plans 0.00%  
Cash and equivalents | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Weighted Average Target Allocation Pension Plans 5.00%  
Cash and equivalents | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 68 $ 56
Cash and equivalents | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Cash and equivalents | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 0 $ 0
Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Actual % of Plans' Assets 45.00% 48.00%
Equity securities | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Weighted Average Target Allocation Pension Plans 25.00%  
Equity securities | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Weighted Average Target Allocation Pension Plans 65.00%  
Common and preferred stock    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 363 $ 145
Common and preferred stock | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 363 145
Common and preferred stock | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Common and preferred stock | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Mutual funds    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 221 182
Mutual funds | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 221 182
Mutual funds | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Mutual funds | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Exchange traded funds    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 223 458
Exchange traded funds | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 223 458
Exchange traded funds | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Exchange traded funds | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 0 $ 0
Fixed income    
Defined Benefit Plan Disclosure [Line Items]    
Actual % of Plans' Assets 46.00% 45.00%
Fixed income | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Weighted Average Target Allocation Pension Plans 30.00%  
Fixed income | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Weighted Average Target Allocation Pension Plans 65.00%  
U.S. government and government agency securities    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 4 $ 7
U.S. government and government agency securities | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
U.S. government and government agency securities | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 4 7
U.S. government and government agency securities | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Corporate bonds    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 4 6
Corporate bonds | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Corporate bonds | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 4 6
Corporate bonds | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Collective investment funds (fixed income)    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 825 736
Collective investment funds (fixed income) | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Collective investment funds (fixed income) | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Collective investment funds (fixed income) | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Collective investment funds (fixed income) | Not Classified    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 825 $ 736
Alternative investments    
Defined Benefit Plan Disclosure [Line Items]    
Actual % of Plans' Assets 5.00% 4.00%
Alternative investments | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Weighted Average Target Allocation Pension Plans 0.00%  
Alternative investments | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Weighted Average Target Allocation Pension Plans 30.00%  
Limited partnerships    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 88 $ 58
Limited partnerships | Not Classified    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 88 $ 58