Revenue (Tables)

6 Months Ended

Jun. 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 June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
	(In millions)
Electric(a)
Residential	$	494	$	584	$	1,047	$	1,170
Commercial	423		446		843		875
Industrial	158		178		322		354
Other(b)	115		68		213		82
Total Electric operating revenues(c)	$	1,190	$	1,276	$	2,425	$	2,481
Gas
Gas sales	$	163	$	180	$	640	$	637
End User Transportation	42		49		122		134
Intermediate Transportation	15		11		41		29
Other(b)	23		15		85		5
Total Gas operating revenues(d)	$	243	$	255	$	888	$	805
Other segment operating revenues
Gas Storage and Pipelines(e)	$	121	$	122	$	237	$	241
Power and Industrial Projects(f)	$	402	$	538	$	790	$	1,105
Energy Trading(g)	$	1,113	$	1,164	$	2,414	$	2,662

_______________________________________

(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 $4 million of other revenues outside the scope of Topic 606 for the three months ended June 30, 2019 and 2018, respectively, and $8 million and $9 million for the six months ended June 30, 2019 and 2018, respectively.

(d) Includes $1 million and $4 million under Alternative Revenue Programs for the three and six months ended June 30, 2018, respectively, and $2 million of other revenues for the three months ended June 30, 2019 and 2018 and $4 million for the six months ended June 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 $4 million of contracts accounted for as leases for the three and six months ended June 30, 2019, respectively.

(f) Includes revenues outside the scope of Topic 606 primarily related to $30 million and $28 million of contracts accounted for as leases for the three months ended June 30, 2019 and 2018, respectively, and $61 million and $56 million for the six months ended June 30, 2019 and 2018, respectively.

(g)

Includes revenues outside the scope of Topic 606 primarily related to $879 million and $937 million of derivatives for the three months ended June 30, 2019 and 2018, respectively, and $1.8 billion and $2.1 billion of derivatives for the six months ended June 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	35
Revenue recognized that was included in the deferred revenue balance at the beginning of the period	(26		)
Ending Balance, June 30, 2019	$	83

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	$	48
2020	5
2021	5
2022	7
2023	3
2024 and thereafter	15
	$	83

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	$	111	$	5
2020	305		—
2021	249		—
2022	191		—
2023	133		—
2024 and thereafter	645		—
	$	1,634	$	5

Schedule of Expenses Recognized for Estimated Uncollectible Accounts Receivable

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
	(In millions)
DTE Energy	$	24	$	31	$	53	$	56
DTE Electric	$	14	$	17	$	30	$	31