Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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- Definition

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585

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- Definition

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.

+ References

No definition available.

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New Accounting Pronouncements (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
New Accounting Pronouncement, Early Adoption [Line Items]
Excess tax benefits on stock-based compensation expense	$ 1
Net cash from operating activities	1,767	$ 1,473
Net cash from (used for) financing activities	(235)	118
DTE Electric
New Accounting Pronouncement, Early Adoption [Line Items]
Net cash from operating activities	1,295	708
Net cash from (used for) financing activities	(266)	358
ASU No. 2015-03 \| Liability
New Accounting Pronouncement, Early Adoption [Line Items]
Debt issuance cost			$ 75
ASU No. 2015-03 \| Assets
New Accounting Pronouncement, Early Adoption [Line Items]
Debt issuance cost			(75)
ASU No. 2015-03 \| DTE Electric \| Liability
New Accounting Pronouncement, Early Adoption [Line Items]
Debt issuance cost			36
ASU No. 2015-03 \| DTE Electric \| Assets
New Accounting Pronouncement, Early Adoption [Line Items]
Debt issuance cost			(36)
Accounting Standards Update 2016-09
New Accounting Pronouncement, Early Adoption [Line Items]
Cumulative-effect adjustment			3
New Accounting Pronouncement, Early Adoption, Effect \| Accounting Standards Update 2016-09
New Accounting Pronouncement, Early Adoption [Line Items]
Net cash from operating activities	4	5
Net cash from (used for) financing activities	$ (4)	$ (5)
Retained Earnings \| Accounting Standards Update 2016-09
New Accounting Pronouncement, Early Adoption [Line Items]
Cumulative-effect adjustment			3
Retained Earnings \| New Accounting Pronouncement, Early Adoption, Effect \| Accounting Standards Update 2016-09
New Accounting Pronouncement, Early Adoption [Line Items]
Cumulative-effect adjustment			$ 3