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EMPLOYEE BENEFIT PLANS - Schedule of Fair Value and Allocation of Plan Assets (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 1,648 | $ 1,589
Actual % of Plans' Assets | 100.00% | 100.00%
Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 841 | $ 763
Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 13 | 32
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 | 794 | 794
Cash and equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 56 | $ 31
Actual % of Plans' Assets | 3.00% | 2.00%
Cash and equivalents | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted Average Target Allocation Pension Plans | 0.00% | 0.00%
Cash and equivalents | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted Average Target Allocation Pension Plans | 5.00% | 5.00%
Cash and equivalents | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 56 | $ 31
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 | 48.00% | 45.00%
Equity securities | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted Average Target Allocation Pension Plans | 25.00% | 25.00%
Equity securities | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted Average Target Allocation Pension Plans | 65.00% | 65.00%
Common and preferred stock |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 145 | $ 134
Common and preferred stock | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 145 | 134
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 | 182 | 126
Mutual funds | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 182 | 126
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 | 458 | 459
Exchange traded funds | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 458 | 459
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 | 45.00% | 50.00%
Fixed income | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted Average Target Allocation Pension Plans | 30.00% | 30.00%
Fixed income | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted Average Target Allocation Pension Plans | 65.00% | 65.00%
U.S. government and government agency securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 7 | $ 17
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 | 7 | 17
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 | 6 | 15
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 | 6 | 15
Corporate bonds | 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 |  | 13
Exchange traded funds | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets |  | 13
Exchange traded funds | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets |  | 0
Exchange traded funds | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets |  | 0
Collective investment funds (fixed income) |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 736 | 753
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 | $ 736 | $ 753
Alternative investments |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual % of Plans' Assets | 4.00% | 3.00%
Alternative investments | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted Average Target Allocation Pension Plans | 0.00% | 0.00%
Alternative investments | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted Average Target Allocation Pension Plans | 30.00% | 30.00%
Limited partnerships |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 58 | $ 41
Limited partnerships | Not Classified |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 58 | $ 41

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