XML 37 R24.htm IDEA: XBRL DOCUMENT v3.23.2
PENSION AND OTHER POST-EMPLOYMENT BENEFITS (Tables)
6 Months Ended
Jun. 30, 2023
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Benefit Costs
The components of FirstEnergy’s net periodic benefit costs (credits) for pension and OPEB were as follows:
Components of Net Periodic Benefit Costs (Credits)PensionOPEB
For the Three Months Ended June 30,2023202220232022
 (In millions)
Service costs $35 $46 $— $
Interest costs 107 68 
Expected return on plan assets(142)(164)(8)(10)
Amortization of prior service costs (credits) — (2)(2)
Special termination benefits (1)
— — 
Pension and OPEB mark-to-market adjustment (59)— — — 
Net periodic benefit credits$(53)$(50)$(2)$(9)
Net periodic benefit credits, net of amounts capitalized $(70)$(72)$(3)$(10)
(1) Related to benefits provided in connection with the PEER.
Components of Net Periodic Benefit Costs (Credits)PensionOPEB
For the Six Months Ended June 30, 2023202220232022
 (In millions)
Service costs $69 $92 $$
Interest costs 216 136 11 
Expected return on plan assets(270)(328)(16)(20)
Amortization of prior service costs (credits) (1)
(4)(5)
Special termination benefits (2)
— — 
Pension and OPEB mark-to-market adjustment (59)— — — 
Net periodic benefit credits$(38)$(99)$(6)$(18)
Net periodic benefit credits, net of amounts capitalized $(73)$(141)$(7)$(19)
(1) The income tax benefits associated with the pension and OPEB prior service costs amortized out of AOCI were $1 million for the six months ended June 30, 2023 and 2022.
(2) Related to benefits provided in connection with the PEER.
Schedule of Assumptions Used to Determine Net Periodic Benefit Cost
Assumption PensionOPEB
Effective rate for interest costs on benefit obligations(1)
5.10%/4.80%
5.06 %
Effective rate for service costs(1)
5.34%/5.11%
5.41 %
Effective rate for interest on service costs(1)
5.22%/4.94%
5.33 %
Annual expected rate of return on plan assets
8.00%
7.00 %
(1) Pension rates effective for January 1, 2023 through April 30, 2023 and May 1, 2023 through December 31, 2023, respectively.