Acquisitions and Exit Activities (Tables)

12 Months Ended

Dec. 31, 2017

Business Acquisition, Integration, Restructuring and Other Related Costs [Abstract]

Schedule of Preliminary Purchase Price Allocation

The components of the final purchase price allocation, inclusive of purchase accounting adjustments, are as follows:

	(In millions)
Assets
Cash	$	83
Accounts receivable	24
Inventory	6
Property, plant, and equipment, net	719
Goodwill	275
Customer relationship intangibles	770
Other current assets	1
	$	1,878
Liabilities
Accounts payable	$	19
Other current liabilities	11
Long-term debt	204
Other long-term liabilities	20
	$	254
Less: Noncontrolling interest	392
Total cash consideration	$	1,232

Restructuring and Related Costs

A summary of the charges in the Consolidated Statements of Operations resulting from DTE Energy's exit activities is shown below:

	2015
	(In millions)
Fuel, purchased power, and gas — non-utility	$	5
Operation and maintenance	10
Asset (gains) losses and impairments, net	96
Total exit activity charges	$	111