Revenue (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2026		2025
	(In millions)
Electric(a)
Residential	$	780	$	720
Commercial	572		529
Industrial	167		160
Other(b)	225		50
Total Electric operating revenues	$	1,744	$	1,459
Gas
Gas sales	$	695	$	692
End User Transportation	91		91
Intermediate Transportation	39		31
Other(b)	107		62
Total Gas operating revenues	$	932	$	876
Other segment operating revenues
DTE Vantage	$	227	$	188
Energy Trading	$	2,351	$	2,026

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(a)Revenues generally represent those of DTE Electric, except $27 million and $5 million of Other revenues related to DTE Sustainable Generation for the three months ended March 31, 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 March 31,
	2026		2025
	(In millions)
Electric — Alternative Revenue Programs	$	1	$	1
Electric — Other revenues	$	12	$	5
Gas — Other revenues	$	4	$	3
DTE Vantage — Leases	$	12	$	15
Energy Trading — Derivatives	$	1,612	$	1,499

Schedule of Deferred Revenue Activity

The following is a summary of deferred revenue activity for DTE Energy:

	Three Months Ended March 31,
	2026		2025
	(In millions)
Beginning Balance, January 1	$	170	$	138
Increases due to cash received or receivable, excluding amounts recognized as revenue during the period	63		51
Revenue recognized that was included in the deferred revenue balance at the beginning of the period	(68)		(43)
Ending Balance, March 31	$	165	$	146

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	$	145
2027	20
2028	—
2029	—
2030	—
2031 and thereafter	—
	$	165

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 Energy		DTE Electric
	(In millions)
2026	$	150	$	11
2027	193		1
2028	137		—
2029	108		—
2030	91		—
2031 and thereafter	312		—
	$	991	$	12