Company: SOJE
Filing Date: 2025-10-30
Form Type: 10-Q
Source: 0000092122-25-000084
Chunk: 75

Company: SOUTHERN CO
Filing Date: 2025-10-30
Form: 10-Q
Item: Item 1
Chunk 75
---
)(230)(296)(43)(12)(64)Amortization:Prior service costs— — 1 — — (2)Regulatory asset— — — — — 11 Net loss41 12 15 2 — — Net periodic pension income$(211)$(56)$(84)$(11)$(1)$(2)Postretirement BenefitsService cost$11 $3 $3 $— $— $1 Interest cost49 12 17 2 — 6 Expected return on plan assets(66)(26)(24)(1)— (6)Amortization:Prior service costs2 — 1 — — — Regulatory asset— — — — — 5 Net gain(12)(2)(4)— — (4)Net periodic postretirement benefit cost (income)$(16)$(13)$(7)$1 $— $2 

72

    Table of Contents                                Index to Financial StatementsNOTES TO THE CONDENSED FINANCIAL STATEMENTS (Continued)(UNAUDITED)

(I) FAIR VALUE MEASUREMENTS

At September 30, 2025, assets and liabilities measured at fair value on a recurring basis during the period, together with their associated level of the fair value hierarchy, were as follows:Fair Value Measurements UsingAt September 30, 2025Quoted Pricesin ActiveMarkets forIdenticalAssets(Level 1)SignificantOtherObservableInputs(Level 2)SignificantUnobservableInputs(Level 3)Net Asset Value as a Practical Expedient (NAV)Total(in millions)Southern CompanyAssets:Energy-related derivatives(a)$15 $89 $— $— $104 Interest rate derivatives— 7 — — 7 Foreign currency derivatives— 31 — — 31 Investments in trusts:(b)Domestic equity934 288 — — 1,222 Foreign equity174 216 — — 390 U.S. Treasury and government agency securities— 367 — — 367 Municipal bonds— 50 — — 50 Pooled funds – fixed income— 6 — — 6 Corporate bonds— 505 — — 505 Mortgage- and asset-backed