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Segment and Related Information
 12 Months Ended
Dec. 31, 2025
Segment Reporting [Abstract]  
Segment and Related Information SEGMENT AND RELATED INFORMATION
DTE Energy sets strategic goals, allocates resources, and evaluates performance based on the four reportable segments below. DTE Electric is a standalone registrant with one reportable segment.
Electric segment consists principally of DTE Electric, which is engaged in the generation, purchase, distribution, and sale of electricity to approximately 2.3 million residential, commercial, and industrial customers in southeastern Michigan.
Gas segment consists principally of DTE Gas, which is engaged in the purchase, storage, transportation, distribution, and sale of natural gas to approximately 1.4 million residential, commercial, and industrial customers throughout Michigan and the sale of storage and transportation capacity.
DTE Vantage segment is comprised primarily of renewable energy projects that sell electricity and pipeline-quality gas and projects that deliver custom energy solutions to industrial, commercial, and institutional customers.
Energy Trading segment consists of energy marketing and trading operations.
Corporate and Other includes various holding company activities, holds certain non-utility debt, and holds certain investments, including funds supporting regional development and economic growth.
The chief operating decision maker (CODM) at DTE Energy is the Financial Objectives committee, which is comprised of the Chief Executive Officer, Chief Financial Officer, and other executive leaders of DTE Energy. The CODM at DTE Electric is comprised of the Chief Executive Officer and Chief Financial Officer. The CODMs assess performance for the reportable segments detailed above and decide how to allocate resources based on Net Income (Loss) Attributable to DTE Energy Company and monitoring budget versus actual results. The accounting policies of the segments are the same as those described in the summary of significant accounting policies.
Inter-segment billing for goods and services exchanged between segments is based upon tariffed or market-based prices of the provider. Such billing primarily consists of power sales, sale and transportation of natural gas, and renewable natural gas sales in the segments below, as well as charges from Electric to other segments for use of the shared capital assets of DTE Electric.
Year Ended December 31,
202520242023
(In millions)
Electric segment(a)
$71 $71 $72 
Gas segment22 16 17 
DTE Vantage segment77 43 68 
Energy Trading segment176 100 85 
$346 $230 $242 
_______________________________________
(a)Inter-segment billing for the Electric segment relating to Non-utility operations includes $4 million for the year ended December 31, 2025 and $3 million for the years ended December 31, 2024 and 2023.
All inter-segment transactions and balances are eliminated in consolidation for DTE Energy. Centrally incurred costs such as labor and overheads are assigned directly to DTE Energy's business segments or allocated based on various cost drivers, depending on the nature of service provided.
The federal income tax provisions or benefits of DTE Energy’s subsidiaries are determined on an individual company basis and recognize the tax benefit of tax credits and net operating losses, if applicable. The state and local income tax provisions of the utility subsidiaries are also determined on an individual company basis and recognize the tax benefit of various tax credits and net operating losses, if applicable. The subsidiaries record federal, state, and local income taxes payable to or receivable from DTE Energy based on the federal, state, and local tax provisions of each company. Carryforward items, such as tax credits and charitable contributions, are recorded at their individual company basis and adjusted at Corporate and Other for consolidated tax purposes.
The Reclassifications and Eliminations group below also includes the reclassification of deferred tax assets and prepaid pension assets, which are netted against deferred tax liabilities and accrued pension liabilities, respectively, for presentation on the DTE Energy Consolidated Statements of Financial Position. Refer to Note 10 to the Consolidated Financial Statements, "Income Taxes," for additional information regarding the Registrants' deferred taxes and to Note 20, "Retirement Benefits and Trusteed Assets," for additional information regarding pension plans.
Financial data of DTE Energy's business segments follows:
Electric(a)
Gas
DTE
Vantage
Energy
Trading
Total
Reportable
Segments
Corporate
and
Other
Reclassifications
and
Eliminations
Total
(In millions)
2025 Segment profit (loss)
Operating Revenues — Utility operations$6,885 2,052 — — $8,937 — (88)$8,849 
Operating Revenues — Non-utility operations$50 — 696 6,477 $7,223 — (258)$6,965 
Depreciation and amortization$1,553 225 59 4 $1,841 — — $1,841 
Interest expense$555 132 30 10 $727 409 (80)$1,056 
Interest income$(9)(11)(87)(7)$(114)(69)80 $(103)
Equity earnings of equity method investees$— 1 19 — $20 27 — $47 
Other segment items (pre-tax)(b)
$3,605 1,322 582 6,306 $11,815 (46)(346)$11,423 
Income Tax Expense (Benefit)$73 88 (61)41 $141 (53)— $88 
Net Income (Loss) Attributable to DTE Energy Company$1,158 295 154 123 $1,730 (268)— $1,462 
2025 Other segment financial data
Investment in equity method investees$4 19 77 — $100 22 — $122 
Capital expenditures and acquisitions$3,892 661 80 6 $4,639 — — $4,639 
Goodwill$1,208 743 25 17 $1,993 — — $1,993 
Total Assets$39,370 8,987 2,426 1,313 $52,096 5,145 (3,175)$54,066 
2024 Segment profit (loss)
Operating Revenues — Utility operations$6,277 1,798 — — $8,075 — (85)$7,990 
Operating Revenues — Non-utility operations$16 — 753 3,843 $4,612 — (145)$4,467 
Depreciation and amortization$1,447 221 59 5 $1,732 — — $1,732 
Interest expense$498 118 28 14 $658 351 (58)$951 
Interest income$(7)(10)(76)(15)$(108)(86)58 $(136)
Equity earnings (losses) of equity method investees$— 1 15 — $16 (1)— $15 
Other segment items (pre-tax)(b)
$3,314 1,134 629 3,672 $8,749 6 (230)$8,525 
Income Tax Expense (Benefit)$(31)77 (37)42 $51 (85)— $(34)
Net Income (Loss) Attributable to
DTE Energy Company
$1,072 257 135 125 $1,589 (185)— $1,404 
2024 Other segment financial data
Investment in equity method investees$5 18 82 — $105 23 — $128 
Capital expenditures and acquisitions$3,659 740 65 3 $4,467 — — $4,467 
Goodwill$1,208 743 25 17 $1,993 — — $1,993 
Total Assets$35,400 8,474 2,065 1,159 $47,098 4,723 (2,975)$48,846 
_______________________________________
(a)The Electric segment consists principally of DTE Electric. Refer to the DTE Electric Consolidated Statements of Operations and the DTE Electric Consolidated Statements of Financial Position for the standalone DTE Electric amounts.
(b)Other segment items include Fuel, purchased power, and gas — utility; Fuel, purchased power, gas, and other — non-utility; Operation and maintenance; Taxes other than income; Asset (gains) losses and impairments, net; Non-operating retirement benefits, net; Other income; and Other expenses.
Electric(a)
Gas
DTE
Vantage
Energy
Trading
Total
Reportable
Segments
Corporate
and
Other
Reclassifications
and
Eliminations
Total
(In millions)
2023 Segment profit (loss)
Operating Revenues — Utility operations$5,804 1,748 — — $7,552 — (86)$7,466 
Operating Revenues — Non-utility operations$14 — 809 4,612 $5,435 — (156)$5,279 
Depreciation and amortization$1,340 209 53 4 $1,606 — — $1,606 
Interest expense$432 102 15 18 $567 270 (46)$791 
Interest income$(20)(9)(32)(9)$(70)(33)46 $(57)
Equity earnings (losses) of equity method investees$— 1 7 — $8 (5)— $3 
Other segment items (pre-tax)(b)
$3,216 1,058 635 4,151 $9,060 18 (242)$8,836 
Income Tax Expense (Benefit)$78 93 (22)112 $261 (92)— $169 
Net Income (Loss) Attributable to DTE Energy Company$772 294 153 336 $1,555 (158)— $1,397 
2023 Other segment financial data
Investment in equity method investees$5 16 118 — $139 27 — $166 
Capital expenditures and acquisitions$3,128 746 57 3 $3,934 — — $3,934 
Goodwill$1,208 743 25 17 $1,993 — — $1,993 
Total Assets$32,292 7,722 1,122 1,166 $42,302 4,150 (1,697)$44,755 
_______________________________________
(a)The Electric segment consists principally of DTE Electric. Refer to the DTE Electric Consolidated Statements of Operations and the DTE Electric Consolidated Statements of Financial Position for the standalone DTE Electric amounts.
(b)Other segment items include Fuel, purchased power, and gas — utility; Fuel, purchased power, gas, and other — non-utility; Operation and maintenance; Taxes other than income; Asset (gains) losses and impairments, net; Non-operating retirement benefits, net; Other income; and Other expenses.