Revenue (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

	2020		2019		2018
	(In millions)
Electric(a)
Residential	$	2,825	$	2,427	$	2,494
Commercial	1,739		1,795		1,794
Industrial	592		659		690
Other(b)	364		348		320
Total Electric operating revenues(c)	$	5,520	$	5,229	$	5,298
Gas
Gas sales	$	971	$	1,043	$	1,055
End User Transportation	218		219		232
Intermediate Transportation	79		78		58
Other(b)	146		142		91
Total Gas operating revenues(d)	$	1,414	$	1,482	$	1,436
Other segment operating revenues
Gas Storage and Pipelines(e)	$	754	$	501	$	485
Power and Industrial Projects(f)	$	1,224	$	1,560	$	2,204
Energy Trading(g)	$	3,863	$	4,610	$	5,557

_______________________________________

(a)Revenues generally represent those of DTE Electric, except $14 million and $5 million of Other revenues related to DTE Sustainable Generation for the years ended December 31, 2020 and 2019, respectively.

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

(c)Includes $26 million, $22 million, and $21 million under Alternative Revenue Programs and $22 million, $19 million, and $20 million of other revenues, which are both outside the scope of Topic 606, for the years ended December 31, 2020, 2019, and 2018, respectively.

(d)Includes $10 million, $8 million, and $2 million under Alternative Revenue Programs and $8 million, $7 million, and $7 million of other revenues, which are both outside the scope of Topic 606, for the years ended December 31, 2020, 2019, and 2018, respectively.

(e)Includes revenues outside the scope of Topic 606 primarily related to $9 million of contracts accounted for as leases for each of the years ended December 31, 2020 and 2019.

(f)Includes revenues outside the scope of Topic 606 primarily related to $99 million, $121 million, and $125 million of contracts accounted for as leases for the years ended December 31, 2020, 2019, and 2018, respectively.

(g)Includes revenues outside the scope of Topic 606 primarily related to $2.7 billion, $3.4 billion, and $4.5 billion of derivatives for the years ended December 31, 2020, 2019, and 2018, respectively.

Summary of Deferred Revenue Activity

The following is a summary of deferred revenue activity:

	DTE Energy
	(In millions)
Beginning Balance, January 1, 2020	$	75
Increases due to cash received or receivable, excluding amounts recognized as revenue during the period	55
Revenue recognized that was included in the deferred revenue balance at the beginning of the period	(43)
Ending Balance, December 31, 2020	$	87

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	$	59
2022	7
2023	3
2024	3
2025	7
2026 and thereafter	8
	$	87

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	$	285	$	8
2022	323		7
2023	263		7
2024	158		7
2025	113		1
2026 and thereafter	501		—
	$	1,643	$	30