Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

The following is a summary of DTE Energy's Other income:



	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
	(In millions)
Equity earnings of equity method investees	$	32	$	25	$	53	$	51
Income from REF entities	25		22		48		40
Contract services	12		4		32		8
Allowance for equity funds used during construction	6		5		13		12
Gains from equity securities	1		5		1		13
Other	6		5		16		6
	$	82	$	66	$	163	$	130

The following is a summary of DTE Electric's Other income:



	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
	(In millions)
Contract services	$	13	$	5	$	33	$	9
Allowance for equity funds used during construction	4		4		9		10
Gains from equity securities allocated from DTE Energy	1		5		1		13
Other	4		3		6		4
	$	22	$	17	$	49	$	36

Schedule of Effective Tax Rate

The interim effective tax rate of the Registrants are as follows:



	Effective Tax Rate
	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
DTE Energy	7	%	25	%	13	%	23	%
DTE Electric	21	%	35	%	23	%	35	%

Schedule of Cash and Cash Equivalents

The following is a table that provides a reconciliation of DTE Energy's Cash and cash equivalents as well as Restricted cash reported within the Consolidated Statements of Financial Position that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows:



	June 30,		December 31,
	2018		2017
	(In millions)
Cash and cash equivalents	$	63	$	66
Restricted cash	23		23
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	86	$	89

Schedule of Restricted Cash



	June 30,		December 31,
	2018		2017
	(In millions)
Cash and cash equivalents	$	63	$	66
Restricted cash	23		23
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	86	$	89