v3.26.1
PENSION AND POSTRETIREMENT BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2026
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Benefit Costs
The following table sets forth the components of the net periodic benefit costs for our defined benefit pension and postretirement benefit plans for the three months ended March 31, 2026 and 2025:

Three months ended March 31,
2026
Pension
Benefit
Postretirement
Benefit
(in millions)
Service cost - benefits earned during the period$— $
Interest cost on projected benefit obligation
Expected return on plan assets(6)(1)
Amortization of prior service cost credit— (2)
Net periodic benefit costs$(2)$(1)

Three months ended March 31,
2025
Pension
Benefit
Postretirement
Benefit
(in millions)
Service cost - benefits earned during the period$— $
Interest cost on projected benefit obligation
Expected return on plan assets(6)(1)
Amortization of net actuarial loss
— (1)
Amortization of prior service cost credit— (1)
Net periodic benefit costs$(2)$(1)