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Segment and Related Information (Tables)
 3 Months Ended
Mar. 31, 2026
Segment Reporting [Abstract]  
Schedule of Inter-segment Billing for Goods and Services and Profit (Loss) Financial Data
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.
Three Months Ended March 31,
20262025
(In millions)
Electric segment(a)
$19 $19 
Gas segment8 4 
DTE Vantage segment36 40 
Energy Trading segment50 46 
$113 $109 
_______________________________________
(a)Inter-segment billing for the Electric segment relating to Non-utility operations includes $1 million for both the three months ended March 31, 2026 and 2025.
Profit (loss) 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)
Three months ended March 31, 2026
Operating Revenues — Utility operations$1,717 932 — — $2,649 — (26)$2,623 
Operating Revenues — Non-utility operations$27 — 227 2,351 $2,605 — (87)$2,518 
Depreciation and amortization$409 58 15 1 $483 — — $483 
Interest expense$147 35 7 6 $195 117 (19)$293 
Interest income$(3)(1)(25)(3)$(32)(18)19 $(31)
Equity earnings of equity method investees$— 1 2 — $3 — — $3 
Other segment items (pre-tax)(b)
$989 566 311 2,451 $4,317 — (113)$4,204 
Income Tax Expense (Benefit)$(16)63 (24)(26)$(3)(55)— $(58)
Net Income (Loss) Attributable to DTE Energy Company$218 210 (59)(78)$291 (44)— $247 
Three months ended March 31, 2025
Operating Revenues — Utility operations$1,454 876 — — $2,330 — (23)$2,307 
Operating Revenues — Non-utility operations$5 — 188 2,026 $2,219 — (86)$2,133 
Depreciation and amortization$382 54 15 1 $452 — — $452 
Interest expense$133 32 8 2 $175 94 (19)$250 
Interest income$(2)(2)(20)(3)$(27)(15)19 $(23)
Equity earnings of equity method investees$— — 7 — $7 — — $7 
Other segment items (pre-tax)(b)
$826 523 147 1,937 $3,433 3 (109)$3,327 
Income Tax Expense (Benefit)$(3)63 (8)22 $74 (92)— $(18)
Net Income Attributable to DTE Energy Company$123 206 39 67 $435 10 — $445 
_______________________________________
(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.
Other 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)
March 31, 2026
Investment in equity method investees$4 19 78 — $101 11 — $112 
Capital expenditures and acquisitions$1,048 166 14 1 $1,229 — — $1,229 
Goodwill$1,208 743 25 17 $1,993 — — $1,993 
Total Assets$40,719 9,215 2,519 998 $53,451 5,270 (3,613)$55,108 
December 31, 2025
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 
_______________________________________
(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.