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Revenue (Tables)
 9 Months Ended
Sep. 30, 2026
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue By Segment and Revenues Outside the Scope of Topic 606
The following is a summary of revenues disaggregated by segment for DTE Energy:
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
(In millions)
Electric(a)
Residential$1,146 $968 $2,743 $2,421 
Commercial714 606 1,915 1,671 
Industrial209 169 576 493 
Other(b)
34 308 388 611 
Total Electric operating revenues$2,103 $2,051 $5,622 $5,196 
Gas
Gas sales$138 $112 $1,058 $1,033 
End User Transportation48 44 192 186 
Intermediate Transportation16 15 71 62 
Other(b)
12 38 140 120 
Total Gas operating revenues$214 $209 $1,461 $1,401 
Other segment operating revenues
DTE Vantage$201 $163 $628 $520 
Energy Trading$1,292 $1,179 $4,796 $4,529 
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(a)Revenues generally represent those of DTE Electric, except $22 million and $14 million of Other revenues related to DTE Sustainable Generation for the three months ended September 30, 2026 and 2025, respectively, and $73 million and $23 million for the nine months ended September 30, 2026 and 2025, respectively.
(b)Includes revenue adjustments related to various regulatory mechanisms, including the PSCR at the Electric segment and GCR at the Gas segment, and interconnection sales in the Electric segment. Revenues related to these mechanisms may vary based on changes in the cost of fuel, purchased power, and gas.
Revenues included the following which were outside the scope of Topic 606:
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
(In millions)
Electric — Other revenues $9 $7 $27 $17 
Gas — Other revenues$3 $2 $11 $9 
DTE Vantage — Leases$16 $17 $42 $46 
Energy Trading — Derivatives$795 $778 $3,198 $3,243 
Schedule of Deferred Revenue Activity
The following is a summary of deferred revenue activity for DTE Energy:
Nine Months Ended September 30,
20262025
(In millions)
Beginning Balance, January 1$170 $138 
Increases due to cash received or receivable, excluding amounts recognized as revenue during the period163 180 
Revenue recognized that was included in the deferred revenue balance at the beginning of the period(86)(53)
Ending Balance, September 30$247 $265 
Schedule of Expected Recognition of Deferred Revenue and Expected Timing of Performance Obligation Satisfaction
The following table represents deferred revenue amounts for DTE Energy that are expected to be recognized as revenue in future periods:
DTE Energy
(In millions)
2026$143 
2027104 
2028— 
2029— 
2030— 
2031 and thereafter— 
$247 
The Registrants expect to recognize revenue for the following amounts related to fixed consideration associated with remaining performance obligations in each of the future periods noted:
DTE EnergyDTE Electric
(In millions)
2026$49 $4 
2027215 — 
2028156 — 
2029126 — 
2030103 — 
2031 and thereafter355 — 
$1,004 $4