Revenue (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following is a summary of revenues disaggregated by segment for DTE Energy:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In millions)
Electric(a)
Residential	$	705	$	671	$	1,377	$	1,269
Commercial	468		389		920		815
Industrial	147		120		306		276
Other(b)	91		132		172		168
Total Electric operating revenues(c)	$	1,411	$	1,312	$	2,775	$	2,528
Gas
Gas sales	$	171	$	169	$	631	$	563
End User Transportation	48		43		133		120
Intermediate Transportation	17		16		43		42
Other(b)	29		23		70		66
Total Gas operating revenues(d)	$	265	$	251	$	877	$	791
Other segment operating revenues
Gas Storage and Pipelines(e)	$	208	$	172	$	405	$	342
Power and Industrial Projects(f)	$	394	$	219	$	760	$	526
Energy Trading(g)	$	1,167	$	740	$	2,606	$	1,653

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(a)Revenues generally represent those of DTE Electric, except $3 million of Other revenues related to DTE Sustainable Generation for the three months ended June 30, 2021 and 2020 and $7 million for the six months ended June 30, 2021 and 2020.

(b)Includes revenue adjustments related to various regulatory mechanisms.

(c)Includes $5 million of Other revenues outside the scope of Topic 606 for the three months ended June 30, 2021 and 2020, and $8 million and $10 million for the six months ended June 30, 2021 and 2020, respectively.

(d)Includes $2 million and $3 million of Other revenues outside the scope of Topic 606 for the three months ended June 30, 2021 and 2020, respectively, and $4 million and $5 million for the six months ended June 30, 2021 and 2020, respectively. Revenues also include $2 million under Alternative Revenue Programs outside the scope of Topic 606 for the six months ended June 30, 2020.

(e)Includes revenues outside the scope of Topic 606 primarily related to $2 million of contracts accounted for as leases for the three months ended June 30, 2021 and 2020, and $4 million for the six months ended June 30, 2021 and 2020.

(f)Includes revenues outside the scope of Topic 606 primarily related to $22 million and $21 million of contracts accounted for as leases for the three months ended June 30, 2021 and 2020, respectively, and $44 million and $48 million for the six months ended June 30, 2021 and 2020, respectively.

(g)Includes revenues outside the scope of Topic 606 primarily related to $907 million and $467 million of derivatives for the three months ended June 30, 2021 and 2020, respectively, and $2.1 billion and $1.1 billion of derivatives for the six months ended June 30, 2021 and 2020, respectively.

Summary of Deferred Revenue Activity

The following is a summary of deferred revenue activity:

	DTE Energy
	(In millions)
Beginning Balance, January 1, 2021	$	87
Increases due to cash received or receivable, excluding amounts recognized as revenue during the period	46
Revenue recognized that was included in the deferred revenue balance at the beginning of the period	(19)
Ending Balance, June 30, 2021	$	114

Deferred Revenue Amounts Expected to be Recognized as Revenue in Future Periods

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)
2021	$	69
2022	22
2023	4
2024	3
2025	7
2026 and thereafter	9
	$	114

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)
2021	$	142	$	4
2022	382		7
2023	324		7
2024	209		7
2025	130		1
2026 and thereafter	535		—
	$	1,722	$	26