Number of Dividend Declarations

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- Definition

Number of Electric Utility Customers

+ References

No definition available.

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- Definition

Number of Gas Utility Customers

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 2
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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section S99
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Publisher FASB
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-SubTopic 10
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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Organization and Basis of Presentation (Details Textuals) $ / shares in Units, customer in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($) customer $ / shares	Sep. 30, 2017 declaration $ / shares	Sep. 30, 2018 USD ($) customer $ / shares	Sep. 30, 2017 $ / shares
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Number of electric utility customers \| customer	2.2		2.2
Number of gas utility customers \| customer	1.3		1.3
Number of dividend declarations \| declaration		0
Dividends declared per common share (in dollars per share) \| $ / shares	$ 0	$ 0	$ 2.65	$ 2.48
Significant potential exposure \| $	$ 0		$ 0
DTE Electric
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Significant potential exposure \| $	$ 0		$ 0
NEXUS pipeline
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Ownership interest	50.00%		50.00%
SGG \| Midstream Natural Gas Assets
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Percent of assets acquired	55.00%		55.00%
Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Number of dividend declarations \| declaration		1
Dividends declared per common share (in dollars per share) \| $ / shares		$ 0.83