Company: DTK
Filing Date: 2025-07-29
Form Type: 10-Q
Source: 0000936340-25-000182
Chunk: 182

Company: DTE ENERGY CO
Filing Date: 2025-07-29
Form: 10-Q
Item: Part I, Item 8
Chunk 182
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' Consolidated Financial Statements in the periods they are resolved.For a discussion of contingencies related to regulatory matters and derivatives, see Notes 5 and 8 to the Consolidated Financial Statements, "Regulatory Matters" and "Financial and Other Derivative Instruments," respectively.

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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 tables detail 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 June 30,Service cost$12 $15 $3 $5 Interest cost54 52 16 15 Expected return on plan assets(72)(85)(30)(30)Amortization of:Net actuarial loss22 14 1 1 Prior service credit— — — (2)Net periodic benefit cost (credit)$16 $(4)$(10)$(11)Pension BenefitsOther Postretirement Benefits2025202420252024(In millions)Six Months Ended June 30,Service cost$24 $29 $7 $9 Interest cost108 104 31 31 Expected return on plan assets(145)(170)(59)(60)Amortization of:Net actuarial loss44 29 1 3 Prior service credit— (1)— (5)Net periodic benefit cost (credit)$31 $(9)$(20)$(22)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