Accounting Pronouncements

3 Months Ended

Mar. 31, 2026

Accounting Standards Update and Change in Accounting Principle [Abstract]

Accounting Pronouncements

Recently Issued

Disaggregation of Income Statement Expenses — In November 2024, the FASB issued ASU 2024-03 – Expense Disaggregation Disclosures (Subtopic 220-40), which requires disclosure of additional detail for certain categories of income statement expenses. The ASU is effective for annual reporting periods beginning after Dec. 15, 2026 and interim reporting periods beginning after Dec. 15, 2027. SPS is evaluating the impact of the new disclosure guidance.