Segment and Related Information (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Inter-segment billing for goods and services exchanged between segments is based upon tariffed or market-based prices of the provider and primarily consists of the sale of reduced emissions fuel, power sales, and natural gas sales in the following segments:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(In millions)
Electric	$	15	$	13	$	30	$	27
Gas	4		3		8		5
Gas Storage and Pipelines	5		3		9		6
Power and Industrial Projects	80		157		174		302
Energy Trading	8		5		14		12
Corporate and Other	—		—		1		1
	$	112	$	181	$	236	$	353

Financial data of DTE Energy's business segments follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(In millions)
Operating Revenues — Utility operations
Electric	$	1,309	$	1,190	$	2,521	$	2,425
Gas	251		243		791		888
Operating Revenues — Non-utility operations
Electric	3		—		7		—
Gas Storage and Pipelines	172		121		342		237
Power and Industrial Projects	219		402		526		790
Energy Trading	740		1,113		1,653		2,414
Corporate and Other	1		—		1		1
Reconciliation and Eliminations	(112)		(181)		(236)		(353)
Total	$	2,583	$	2,888	$	5,605	$	6,402

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(In millions)
Net Income (Loss) Attributable to DTE Energy by Segment:
Electric	$	183	$	133	$	277	$	280
Gas	1		8		122		159
Gas Storage and Pipelines	70		50		142		98
Power and Industrial Projects	25		29		55		55
Energy Trading	(1)		(6)		33		26
Corporate and Other	(1)		(32)		(12)		(35)
Net Income Attributable to DTE Energy Company	$	277	$	182	$	617	$	583