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 1.3 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, holds certain non-utility debt, and holds 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 June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
	(In millions)
Electric	$	13	$	8	$	25	$	17
Gas	2		3		5		3
Gas Storage and Pipelines	15		3		22		5
Power and Industrial Projects	156		150		324		298
Energy Trading	8		8		19		18
Corporate and Other	—		2		1		2
	$	194	$	174	$	396	$	343

Financial data of DTE Energy's business segments follows:



	Three Months Ended June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
	(In millions)
Operating Revenues — Utility operations
Electric	$	1,218		$	1,215		$	2,393		$	2,368
Gas	220			231			777			751
Operating Revenues — Non-utility operations
Gas Storage and Pipelines	113			69			218			136
Power and Industrial Projects	507			444			1,055			890
Energy Trading	991			476			2,043			1,025
Corporate and Other	—			1			1			1
Reconciliation and Eliminations	(194		)	(174		)	(396		)	(343		)
Total	$	2,855		$	2,262		$	6,091		$	4,828



Net Income (Loss) Attributable to DTE Energy by Segment:
Electric	$	138		$	135		$	244		$	262
Gas	1			13			108			100
Gas Storage and Pipelines	40			35			85			65
Power and Industrial Projects	30			15			60			32
Energy Trading	—			(23		)	96			(30		)
Corporate and Other	(32		)	(23		)	(16		)	(30		)
Net Income Attributable to DTE Energy Company	$	177		$	152		$	577		$	399