Revenue (Tables)

9 Months Ended

Sep. 30, 2019

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 September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
	(In millions)
Electric(a)
Residential	$	791	$	773	$	1,839	$	1,943
Commercial	515		495		1,358		1,370
Industrial	175		173		497		527
Other(b)	39		80		251		162
Total Electric operating revenues(c)	$	1,520	$	1,521	$	3,945	$	4,002
Gas
Gas sales	$	87	$	89	$	727	$	726
End User Transportation	35		34		157		168
Intermediate Transportation	15		9		57		38
Other(b)	18		32		102		37
Total Gas operating revenues(d)	$	155	$	164	$	1,043	$	969
Other segment operating revenues
Gas Storage and Pipelines(e)	$	126	$	122	$	363	$	363
Power and Industrial Projects(f)	$	406	$	612	$	1,196	$	1,717
Energy Trading(g)	$	1,105	$	1,332	$	3,519	$	3,994

_______________________________________

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

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

(c) Includes $5 million and $6 million of other revenues outside the scope of Topic 606 for the three months ended September 30, 2019 and 2018, respectively, and $14 million and $15 million for the nine months ended September 30, 2019 and 2018, respectively.

(d) Includes $4 million under Alternative Revenue Programs for the nine months ended September 30, 2018. Also includes $2 million of other revenues for the three months ended September 30, 2019 and 2018 and $6 million for the nine months ended September 30, 2019 and 2018, which are both outside the scope of Topic 606.

(e) Includes revenues outside the scope of Topic 606 primarily related to $2 million and $7 million of contracts accounted for as leases for the three and nine months ended September 30, 2019, respectively.

(f) Includes revenues outside the scope of Topic 606 primarily related to $33 million and $37 million of contracts accounted for as leases for the three months ended September 30, 2019 and 2018, respectively, and $94 million and $93 million for the nine months ended September 30, 2019 and 2018, respectively.

(g)

Includes revenues outside the scope of Topic 606 primarily related to $791 million and $1.1 billion of derivatives for the three months ended September 30, 2019 and 2018, respectively, and $2.6 billion and $3.2 billion of derivatives for the nine months ended September 30, 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, 2019	$	74
Increases due to cash received or receivable, excluding amounts recognized as revenue during the period	41
Revenue recognized that was included in the deferred revenue balance at the beginning of the period	(50		)
Ending Balance, September 30, 2019	$	65

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)
2019	$	9
2020	25
2021	6
2022	7
2023	6
2024 and thereafter	12
	$	65

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)
2019	$	52	$	3
2020	290		—
2021	269		—
2022	206		—
2023	142		—
2024 and thereafter	648		—
	$	1,607	$	3

Schedule of Expenses Recognized for Estimated Uncollectible Accounts Receivable

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
	(In millions)
DTE Energy	$	28	$	39	$	81	$	95
DTE Electric	$	17	$	26	$	47	$	57