EMPLOYEE BENEFIT PLANS (Schedule of Assumptions Used in Calculating Projected Benefit Cost and Net Periodic Benefit Cost) (Details) |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Defined Benefit Plan Disclosure [Line Items] | |||
Expected return on plan assets | 9.60% | ||
Pension Plan | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Discount rate | 3.03% | 2.77% | 3.46% |
Rate of future compensation increases | 3.80% | 3.80% | 3.90% |
Expected return on plan assets | 5.50% | 5.10% | 5.70% |
Interest crediting rate for cash balance plan | 1.95% | 1.95% | 2.11% |
PBOP Plans | Minimum | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Discount rate | 2.97% | 2.67% | 3.37% |
Expected return on plan assets | 3.30% | 3.10% | 3.50% |
PBOP Plans | Maximum | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Discount rate | 3.04% | 2.80% | 3.47% |
Expected return on plan assets | 6.40% | 6.10% | 6.60% |