Company: DTK
Filing Date: 2025-05-01
Form Type: 10-Q
Source: 0000936340-25-000097
Chunk: 88

Company: DTE ENERGY CO
Filing Date: 2025-05-01
Form: 10-Q
Item: Part I, Item 1
Chunk 88
---
 "Financial and Other Derivative Instruments," respectively.

46

Table of ContentsDTE Energy Company — DTE Electric CompanyCombined Notes to Consolidated Financial Statements (Unaudited) — (Continued)

NOTE 13 — RETIREMENT BENEFITS AND TRUSTEED ASSETS

DTE Energy's subsidiary, DTE Energy Corporate Services, LLC, sponsors defined benefit pension plans and other postretirement benefit plans covering certain employees of the Registrants.  Participants of all plans are solely DTE Energy and affiliate participants.The following table details the components of net periodic benefit costs (credits) for pension benefits and other postretirement benefits for DTE Energy:Pension BenefitsOther Postretirement Benefits2025202420252024(In millions)Three Months Ended March 31,Service cost$12 $14 $4 $4 Interest cost54 52 15 16 Expected return on plan assets(73)(85)(29)(30)Amortization of:Net actuarial loss22 15 — 2 Prior service credit— (1)— (3)Net periodic benefit cost (credit)$15 $(5)$(10)$(11)DTE Electric accounts for its participation in DTE Energy's qualified and non-qualified pension plans by applying multiemployer accounting.  DTE Electric accounts for its participation in other postretirement benefit plans by applying multiple-employer accounting.  Within multiemployer and multiple-employer plans, participants pool plan assets for investment purposes and to reduce the cost of plan administration.  The primary difference between plan types is that assets contributed in multiemployer plans can be used to provide benefits for all participating employers, while assets contributed within a multiple-employer plan are restricted for use by the contributing employer.As a result of multiemployer accounting treatment, capitalized costs associated with these plans are reflected in Property, plant, and equipment in DTE Electric's Consolidated Statements of Financial Position.  The same capitalized costs are reflected as Regulatory assets and liabilities in DTE Energy's Consolidated Statements of Financial Position.DTE Energy's subsidiaries are responsible for their share of qualified and non-qualified pension benefit costs.  DTE Electric's allocated portion of pension benefit costs included in regulatory assets and liabilities, operation and maintenance expense, and capital expenditures was $14 million and a credit of $1 million for the three months ended March 31, 2025 and 2024, respectively. These amounts may include recognized contractual termination benefit charges, curtailment gains, and settlement