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EMPLOYEE RETIREMENT PLANS - Qualified Defined-benefit Pension Plan Assets at Fair Value by Level within the Fair Value Hierarchy (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value |  |
Plan assets | $ 92 | $ 90
Level 1 |  |
Fair Value |  |
Plan assets | 33 | 32
Level 2 |  |
Fair Value |  |
Plan assets | 48 | 46
Level 3 |  |
Fair Value |  |
Plan assets | 11 | 12
United States | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 18 | 17
United States | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 6 | 5
United States | Real estate: |  |
Fair Value |  |
Plan assets |  | 3
United States | Level 1 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 18 | 17
United States | Level 1 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 0 | 0
United States | Level 1 | Real estate: |  |
Fair Value |  |
Plan assets |  | 3
United States | Level 2 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 0 | 0
United States | Level 2 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 6 | 5
United States | Level 2 | Real estate: |  |
Fair Value |  |
Plan assets |  | 0
United States | Level 3 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 0 | 0
United States | Level 3 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 0 | 0
United States | Level 3 | Real estate: |  |
Fair Value |  |
Plan assets |  | 0
International | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 11 | 8
International | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 22 | 21
International | Real estate: |  |
Fair Value |  |
Plan assets | 11 | 14
International | Buy-in annuity: |  |
Fair Value |  |
Plan assets | 2 | 3
International | Short-term and other investments: |  |
Fair Value |  |
Plan assets | 21 | 19
International | Level 1 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 11 | 8
International | Level 1 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 1 | Real estate: |  |
Fair Value |  |
Plan assets | 0 | 2
International | Level 1 | Buy-in annuity: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 1 | Short-term and other investments: |  |
Fair Value |  |
Plan assets | 3 | 2
International | Level 2 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 2 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 22 | 21
International | Level 2 | Real estate: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 2 | Buy-in annuity: |  |
Fair Value |  |
Plan assets | 2 | 3
International | Level 2 | Short-term and other investments: |  |
Fair Value |  |
Plan assets | 18 | 17
International | Level 3 | Common and preferred stocks: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 3 | Corporate, government and other debt securities: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 3 | Real estate: |  |
Fair Value |  |
Plan assets | 11 | 12
International | Level 3 | Buy-in annuity: |  |
Fair Value |  |
Plan assets | 0 | 0
International | Level 3 | Short-term and other investments: |  |
Fair Value |  |
Plan assets | $ 0 | $ 0

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