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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

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