Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

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

_______________________________________

(a) Revenues under the Electric segment generally represent those of DTE Electric.

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

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

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

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

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

(g)

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

Summary of Deferred Revenue Activity

The following is a summary of deferred revenue activity:

	DTE Energy
	(In millions)
Beginning Balance, January 1, 2019	$	74
Increases due to cash received or receivable, excluding amounts recognized as revenue during the period	51
Revenue recognized that was included in the deferred revenue balance at the beginning of the period	(50		)
Ending Balance, December 31, 2019	$	75

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)
2020	$	43
2021	6
2022	7
2023	6
2024	3
2025 and thereafter	10
	$	75

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)
2020	$	253	$	8
2021	292		8
2022	232		7
2023	164		7
2024	126		7
2025 and thereafter	538		—
	$	1,605	$	37

Schedule of Expenses Recognized for Estimated Uncollectible Accounts Receivable

The following table represents expenses recognized for estimated uncollectible accounts receivable:

	December 31,
	2019		2018
	(In millions)
DTE Energy	$	111	$	140
DTE Electric	$	65	$	85