EMPLOYEE BENEFIT PLANS - Unobservable Input Reconciliation (Details) - Total Pension Benefits - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	$ 58	$ 56	$ 51
Not Subject to Leveling
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	58	56
Common and commingled trusts - Equities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	39	37
Common and commingled trusts - Equities | Not Subject to Leveling
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	39	37
Common and commingled trusts - Bonds
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	19	19
Common and commingled trusts - Bonds | Not Subject to Leveling
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	19	19
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Common and commingled trusts - Equities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Common and commingled trusts - Bonds
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	0	0
Significant Other Observable Inputs (Level 2) | Common and commingled trusts - Equities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	0	0
Significant Other Observable Inputs (Level 2) | Common and commingled trusts - Bonds
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	0	0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	0	0
Significant Unobservable Inputs (Level 3) | Common and commingled trusts - Equities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	0	0
Significant Unobservable Inputs (Level 3) | Common and commingled trusts - Bonds
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Defined benefit plan, plan assets, amount	$ 0	$ 0