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Segment and Related Information (Tables)
 12 Months Ended
Dec. 31, 2025
Segment Reporting [Abstract]  
Schedule of Inter-segment Billing for Goods and Services and Financial Data of Business Segments
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.
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.