Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2018

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



	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
	(In millions)
Equity earnings of equity method investees	$	46	$	26	$	99	$	77
Income from REF entities	27		20		75		60
Contract services	11		9		43		17
Allowance for equity funds used during construction	7		5		20		17
Gains from equity securities	5		6		6		19
Other	3		8		19		14
	$	99	$	74	$	262	$	204

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



	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
	(In millions)
Contract services	$	11	$	9	$	44	$	18
Allowance for equity funds used during construction	5		4		14		14
Gains from equity securities allocated from DTE Energy	5		6		6		19
Other	2		2		8		6
	$	23	$	21	$	72	$	57

Schedule of Effective Tax Rate

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



	Effective Tax Rate
	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
DTE Energy	9	%	22	%	12	%	22	%
DTE Electric	21	%	35	%	22	%	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:



	September 30,		December 31,
	2018		2017
	(In millions)
Cash and cash equivalents	$	84	$	66
Restricted cash	20		23
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	104	$	89

Schedule of Restricted Cash



	September 30,		December 31,
	2018		2017
	(In millions)
Cash and cash equivalents	$	84	$	66
Restricted cash	20		23
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	104	$	89