Segment and Related Information

3 Months Ended

Mar. 31, 2021

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 1.3 million residential, commercial, and industrial customers throughout Michigan and the sale of storage and transportation capacity.

Gas Storage and Pipelines is primarily engaged in services related to the gathering, transportation, and storage of natural gas.

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 and pipeline-quality gas 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 certain investments, including funds supporting regional development and economic growth.

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 also 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,
	2021		2020
	(In millions)
Electric	$	16	$	15
Gas	4		4
Gas Storage and Pipelines	5		4
Power and Industrial Projects	162		94
Energy Trading	13		6
Corporate and Other	1		1
	$	201	$	124

Financial data of DTE Energy's business segments follows:

	Three Months Ended March 31,
	2021		2020
	(In millions)
Operating Revenues — Utility operations
Electric	$	1,360	$	1,212
Gas	612		540
Operating Revenues — Non-utility operations
Electric	4		4
Gas Storage and Pipelines	197		170
Power and Industrial Projects	366		307
Energy Trading	1,439		913
Corporate and Other	1		—
Reconciliation and Eliminations	(201)		(124)
Total	$	3,778	$	3,022

	Three Months Ended March 31,
	2021		2020
	(In millions)
Net Income (Loss) Attributable to DTE Energy by Segment:
Electric	$	208	$	94
Gas	169		121
Gas Storage and Pipelines	79		72
Power and Industrial Projects	28		30
Energy Trading	(55)		34
Corporate and Other	(32)		(11)
Net Income Attributable to DTE Energy Company	$	397	$	340