Segment and Related Information

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Segment and Related Information

SEGMENT AND RELATED INFORMATION

DTE Energy sets strategic goals, allocates resources, and evaluates performance based on the following structure:

Electric segment consists principally of DTE Electric, which is engaged in the generation, purchase, distribution, and sale of electricity to approximately 2.2 million residential, commercial, and industrial customers in southeastern Michigan.

Gas segment consists principally of DTE Gas, which is engaged in the purchase, storage, transportation, distribution, and sale of natural gas to approximately 1.2 million residential, commercial, and industrial customers throughout Michigan and the sale of storage and transportation capacity.

Gas Storage and Pipelines consists of natural gas pipeline, gathering, and storage businesses.

Power and Industrial Projects is comprised primarily of projects that deliver energy and utility-type products and services to industrial, commercial, and institutional customers, produce reduced emissions fuel, and sell electricity from renewable energy projects.

Energy Trading consists of energy marketing and trading operations.

Corporate and Other includes various holding company activities, and holds certain non-utility debt and energy-related investments.

The federal income tax provisions or benefits of DTE Energy’s subsidiaries are determined on an individual company basis and recognize the tax benefit of tax credits and net operating losses, if applicable. The state and local income tax provisions of the utility subsidiaries are determined on an individual company basis and recognize the tax benefit of various tax credits and net operating losses, if applicable. The subsidiaries record federal, state, and local income taxes payable to or receivable from DTE Energy based on the federal, state, and local tax provisions of each company.

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 March 31,
	2016		2015
	(In millions)
Inter-segment Revenues
Electric	$	9	$	9
Gas	—		1
Gas Storage and Pipelines	2		1
Power and Industrial Projects	148		180
Energy Trading	10		9
Corporate and Other	—		1
	$	169	$	201

Financial data of the DTE Energy business segments follows:

	Three Months Ended March 31,
	2016			2015
	(In millions)
Operating Revenues — Utility operations
Electric	$	1,153		$	1,203
Gas	520			647
Operating Revenues — Non-utility operations
Gas Storage and Pipelines	67			57
Power and Industrial Projects	446			567
Energy Trading	549			711
Corporate and Other	—			—
Reconciliation and Eliminations	(169		)	(201		)
Total	$	2,566		$	2,984

Net Income (Loss) Attributable to DTE Energy by Segment:
Electric	$	127		$	136
Gas	87			111
Gas Storage and Pipelines	30			27
Power and Industrial Projects	17			33
Energy Trading	(7		)	(9		)
Corporate and Other	(7		)	(25		)
Net Income Attributable to DTE Energy Company	$	247		$	273