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v3.25.3

Long-Term Debt (Tables) | 9 Months Ended
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Sep. 30, 2025
Debt Disclosure [Abstract] |
Schedule of Debt Issuances | Refer to the table below for debt issued through September 30, 2025:
Company |  | Month |  | Type |  | Interest Rate |  | Maturity Date |  | Amount
|  |  |  |  |  |  |  |  |  | (In millions)
DTE Energy |  | February |  | Senior Notes(a) |  | 5.20% |  | 2030 |  | $ | 1,100 |
DTE Electric |  | May |  | Mortgage Bonds(b) |  | 5.25% |  | 2035 |  | 500 |
DTE Electric |  | May |  | Mortgage Bonds(b) |  | 5.85% |  | 2055 |  | 500 |
DTE Electric |  | May |  | Mortgage Bonds(b) |  | 4.25% |  | 2027 |  | 300 |
DTE Energy |  | September |  | Senior Notes(a) |  | 4.88% |  | 2028 |  | 250 |
DTE Energy |  | September |  | Senior Notes(a) |  | 5.05% |  | 2035 |  | 550 |
DTE Energy |  | September |  | Junior Subordinated Debentures(a) |  | 6.25% |  | 2085 |  | 600 |
DTE Gas |  | September |  | Mortgage Bonds(b) |  | 4.71% |  | 2031 |  | 50 |
DTE Gas |  | September |  | Mortgage Bonds(b) |  | 5.36% |  | 2037 |  | 75 |
DTE Gas |  | September |  | Mortgage Bonds(b) |  | 5.96% |  | 2055 |  | 135 |
|  |  |  |  |  |  |  |  |  | $ | 4,060 |
_______________________________________ (a)Proceeds used for the repayment of short-term borrowings and for general corporate purposes. (b)Proceeds used for the repayment of short-term borrowings, for capital expenditures, and for other general corporate purposes.
Schedule of Debt Redemptions | Refer to the table below for debt redeemed through September 30, 2025:
Company |  | Month |  | Type |  | Interest Rate |  | Maturity Date |  | Amount
|  |  |  |  |  |  |  |  |  | (In millions)
DTE Electric |  | March |  | Mortgage Bonds |  | 3.38% |  | 2025 |  | $ | 350 |
DTE Electric |  | March |  | Securitization Bonds |  | 5.97% |  | 2025 |  | 15
DTE Energy |  | June |  | Senior Notes |  | 1.05% |  | 2025 |  | 800 |
DTE Electric |  | June |  | Securitization Bonds |  | 2.64% |  | 2025 |  | 20 |
DTE Electric |  | September |  | Securitization Bonds |  | 5.97% |  | 2025 |  | 15 |
|  |  |  |  |  |  |  |  |  | $ | 1,200 |

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- Definition Tabular disclosure of debt instruments or arrangements with redemption features. Includes, but is not limited to, description of debt redemption features, percentage price at which debt can be redeemed by the issuer, and period start and end for debt maturity or redemption. + References No definition available. + Details
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