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New Accounting Pronouncements
 9 Months Ended
Sep. 30, 2025
Accounting Standards Update and Change in Accounting Principle [Abstract]  
New Accounting Pronouncements NEW ACCOUNTING PRONOUNCEMENTS
Recently Issued Pronouncements
In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The amendments in this update require enhanced income tax disclosure, particularly related to a reporting entity's effective tax rate reconciliation and income taxes paid. For the rate reconciliation table, the update requires additional categories of information about federal, state, and foreign taxes and details about significant reconciling items, subject to a quantitative threshold. Income taxes paid must be similarly disaggregated by federal, state and foreign based on quantitative threshold. The ASU is effective for the Registrants for annual periods beginning after December 15, 2024. The guidance shall be applied on a prospective basis with the option to apply retrospectively. The Registrants will apply the guidance on a retrospective basis beginning with the combined DTE Energy and DTE Electric Annual Report on Form 10-K for the year ended December 31, 2025.
In November 2024, the FASB issued ASU No. 2024-03, Income Statement-Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, as amended. The amendments in this update require disaggregated disclosure of income statement expense captions into specified categories in disclosures within the footnotes to the financial statements. The ASU is effective for the Registrants for annual reporting periods beginning after December 15, 2026, and for interim reporting periods beginning after December 15, 2027. The guidance may be applied on a prospective or retrospective basis. Early adoption is permitted. The Registrants will apply the guidance upon the effective date.
In July 2025, the FASB issued ASU No. 2025-05, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets, which provides a practical expedient related to the estimation of expected credit losses for current accounts receivable and current contract assets arising from transactions accounted for under ASC 606. The ASU is effective for the Registrants for annual and interim periods beginning after December 15, 2025. The guidance should be applied on a prospective basis. Early adoption is permitted. The Registrants are currently assessing the impact of this standard on their Consolidated Financial Statements.
In September 2025, the FASB issued ASU No. 2025-06, Intangibles – Goodwill and Other – Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software. The amendments in this update modernize the accounting guidance for the costs to develop software for internal use. The amendments remove all references to a sequential software development method (referred to as "project stages") throughout ASC 350-40 and clarifies the threshold entities should apply to begin capitalizing eligible costs. The ASU is effective for the Registrants for annual and interim periods beginning after December 15, 2027. The guidance may be applied on a prospective, retrospective, or modified transition basis. Early adoption is permitted. The Registrants are currently assessing the impact of this standard on their Consolidated Financial Statements.