Organization and Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2017

Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net [Abstract]

The following table summarizes the major Consolidated Statements of Financial Position items for consolidated VIEs as of September 30, 2017 and December 31, 2016. All assets and liabilities of a consolidated VIE are presented where it has been determined that a consolidated VIE has either (1) assets that can be used only to settle obligations of the VIE or (2) liabilities for which creditors do not have recourse to the general credit of the primary beneficiary. VIEs, in which DTE Energy holds a majority voting interest and is the primary beneficiary, that meet the definition of a business and whose assets can be used for purposes other than the settlement of the VIE's obligations have been excluded from the table below.



	September 30, 2017						December 31, 2016
	SGG^(a)		Other		Total		SGG^(a)		Other		Total
	(In millions)
ASSETS
Cash and cash equivalents	$	31	$	13	$	44	$	36	$	27	$	63
Restricted cash	—		8		8		—		7		7
Accounts receivable	11		30		41		8		34		42
Inventories	3		84		87		3		112		115
Property, plant, and equipment, net	397		70		467		398		76		474
Goodwill	25		—		25		17		—		17
Intangible assets	576		—		576		586		—		586
Other current and long-term assets	1		—		1		1		1		2
	$	1,044	$	205	$	1,249	$	1,049	$	257	$	1,306

LIABILITIES
Accounts payable and accrued current liabilities	$	26	$	29	$	55	$	19	$	32	$	51
Current portion long-term debt, including capital leases	—		3		3		—		5		5
Mortgage bonds, notes, and other	—		2		2		—		5		5
Other current and long-term liabilities	1		15		16		2		15		17
	$	27	$	49	$	76	$	21	$	57	$	78

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(a)Amounts shown are 100% of SGG's assets and liabilities, of which DTE Energy owns 55%.

Summary of Amounts for Non-Consolidated Variable Interest Entities

Amounts for DTE Energy's non-consolidated VIEs are as follows:



	September 30, 2017		December 31, 2016
	(In millions)
Investments in equity method investees	$	716	$	509
Notes receivable	$	17	$	15
Future funding commitments	$	688	$	692

- Definition

Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.

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