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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2024
Income Tax Disclosure [Abstract] |
Schedule of Effective Income Tax Rate Reconciliation | The Registrants' total Income Tax Expense varied from the statutory federal income tax rate for the following reasons:
| 2024 |  | 2023 |  | 2022
DTE Energy | (In millions)
Income Before Income Taxes | $ | 1,370 |  |  | $ | 1,566 |  |  | $ | 1,112 |
Income tax expense at 21% statutory rate | $ | 288 |  |  | $ | 329 |  |  | $ | 234 |
Production tax credits(a)(b) | (169) |  |  | (91) |  |  | (91) |
Investment tax credits(a) | (128) |  |  | (44) |  |  | (1) |
TCJA regulatory liability amortization | (66) |  |  | (63) |  |  | (155) |
AFUDC equity | (17) |  |  | (7) |  |  | (5) |
State and local income taxes, net of federal benefit | 59 |  |  | 59 |  |  | 42 |
Other, net | (1) |  |  | (14) |  |  | 5 |
Income Tax Expense (Benefit) | $ | (34) |  |  | $ | 169 |  |  | $ | 29 |
Effective income tax rate | (2.5) | % |  | 10.8 | % |  | 2.6 | %
_______________________________________ (a)PTCs and ITCs include $231 million of certain eligible credits generated in 2023 and 2024, net of discount, that were sold in 2024 under the transferability provisions of the Inflation Reduction Act of 2022. Cash received related to the transfer of tax credits is included in Cash paid (received) for: Income taxes within the supplemental disclosures of cash flow information on the DTE Energy Consolidated Statements of Cash Flows. These tax credit sales are subject to standard indemnifications up to the cash received. Payments under these indemnifications are considered remote. (b)Includes nuclear PTCs of $89 million, net of discount, recognized in 2024. The nuclear PTCs continue to be the subject of additional guidance expected to be issued from the U.S. Department of the Treasury and IRS that may materially impact the total amount of the benefits we receive. The benefit of these PTCs is provided to customers through the regulatory construct of the PSCR mechanism.
| 2024 |  | 2023 |  | 2022
DTE Electric | (In millions)
Income Before Income Taxes | $ | 1,040 |  |  | $ | 850 |  |  | $ | 981 |
Income tax expense at 21% statutory rate | $ | 218 |  |  | $ | 179 |  |  | $ | 206 |
Production tax credits(a)(b) | (162) |  |  | (79) |  |  | (83) |
Investment tax credits(a) | (70) |  |  | (1) |  |  | (1) |
TCJA regulatory liability amortization | (55) |  |  | (53) |  |  | (145) |
AFUDC equity | (16) |  |  | (7) |  |  | (4) |
State and local income taxes, net of federal benefit | 57 |  |  | 45 |  |  | 56 |
Other, net | (4) |  |  | (6) |  |  | (3) |
Income Tax Expense (Benefit) | $ | (32) |  |  | $ | 78 |  |  | $ | 26 |
Effective income tax rate | (3.1) | % |  | 9.2 | % |  | 2.7 | %
_______________________________________ (a)PTCs and ITCs include $231 million of certain eligible credits generated in 2023 and 2024, net of discount, that were sold in 2024 under the transferability provisions of the Inflation Reduction Act of 2022. Cash received related to the transfer of tax credits is included in Cash paid (received) for: Income taxes within the supplemental disclosures of cash flow information on the DTE Energy Consolidated Statements of Cash Flows. These tax credit sales are subject to standard indemnifications up to the cash received. Payments under these indemnifications are considered remote. (b)Includes nuclear PTCs of $89 million, net of discount, recognized in 2024. The nuclear PTCs continue to be the subject of additional guidance expected to be issued from the U.S. Department of the Treasury and IRS that may materially impact the total amount of the benefits we receive. The benefit of these PTCs is provided to customers through the regulatory construct of the PSCR mechanism.
Schedule of Components of Income Tax Expense (Benefit) | Components of the Registrants' Income Tax Expense were as follows:
| 2024 |  | 2023 |  | 2022
DTE Energy | (In millions)
Current income tax benefit |  |  |  |  |
Federal | $ | (226) |  |  | $ | (10) |  |  | $ | (13) |
State and other income tax | (2) |  |  | (2) |  |  | (2) |
Total current income taxes | (228) |  |  | (12) |  |  | (15) |
Deferred income tax expense (benefit) |  |  |  |  |
Federal | 117 |  |  | 103 |  |  | (13) |
State and other income tax | 77 |  |  | 78 |  |  | 57 |
Total deferred income taxes | 194 |  |  | 181 |  |  | 44 |
| $ | (34) |  |  | $ | 169 |  |  | $ | 29 |
| 2024 |  | 2023 |  | 2022
DTE Electric | (In millions)
Current income tax expense (benefit) |  |  |  |  |
Federal | $ | (228) |  |  | $ | 1 |  |  | $ | 1 |
State and other income tax | — |  |  | (5) |  |  | — |
Total current income taxes | (228) |  |  | (4) |  |  | 1 |
Deferred income tax expense (benefit) |  |  |  |  |
Federal | 124 |  |  | 19 |  |  | (46) |
State and other income tax | 72 |  |  | 63 |  |  | 71 |
Total deferred income taxes | 196 |  |  | 82 |  |  | 25 |
| $ | (32) |  |  | $ | 78 |  |  | $ | 26 |
Schedule of Deferred Tax Assets and Liabilities | The Registrants' deferred tax assets (liabilities) were comprised of the following at December 31:
| DTE Energy |  | DTE Electric
| 2024 |  | 2023 |  | 2024 |  | 2023
| (In millions)
Property, plant, and equipment | $ | (3,695) |  |  | $ | (3,423) |  |  | $ | (2,788) |  |  | $ | (2,693) |
Regulatory assets and liabilities | (1,272) |  |  | (1,158) |  |  | (1,492) |  |  | (1,314) |
Tax credit carryforwards | 1,604 |  |  | 1,519 |  |  | 583 |  |  | 572 |
Pension and benefits | 55 |  |  | 77 |  |  | 62 |  |  | 69 |
Federal net operating loss carryforward | 190 |  |  | 202 |  |  | 30 |  |  | 71 |
State and local net operating loss carryforwards | 68 |  |  | 76 |  |  | 42 |  |  | 49 |
Investments in equity method investees | (28) |  |  | (33) |  |  | (1) |  |  | — |
Other | 145 |  |  | 130 |  |  | 176 |  |  | 137 |
| (2,933) |  |  | (2,610) |  |  | (3,388) |  |  | (3,109) |
Less: Valuation allowance | (25) |  |  | (39) |  |  | (5) |  |  | — |
Long-term deferred income tax liabilities | $ | (2,958) |  |  | $ | (2,649) |  |  | $ | (3,393) |  |  | $ | (3,109) |
Deferred income tax assets | $ | 2,508 |  |  | $ | 2,415 |  |  | $ | 1,209 |  |  | $ | 1,202 |
Deferred income tax liabilities | (5,466) |  |  | (5,064) |  |  | (4,602) |  |  | (4,311) |
| $ | (2,958) |  |  | $ | (2,649) |  |  | $ | (3,393) |  |  | $ | (3,109) |

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