Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net Income	$ 325	$ 264	$ 710	$ 643
Net Income	338	265	737	647
Other comprehensive income, net of tax:
Benefit obligations, net of taxes of $2, $2, $3, and $6, respectively	4	3	6	9
Net unrealized gains on investments during the period, net of taxes of $1, $—, $1, and $—, respectively	1	0	1	0
Foreign currency translation	(1)	(2)	0	(4)
Other comprehensive income	4	1	7	5
Comprehensive income	329	265	717	648
Less comprehensive loss attributable to noncontrolling interests	(13)	(1)	(27)	(4)
Comprehensive Income Attributable to DTE Energy Company/DTE Electric	342	266	744	652
DTE Electric
Net Income	285	216	547	452
Other comprehensive income, net of tax:
Transfer of benefit obligations, net of taxes of $— and $18 in 2015, respectively	0	0	0	28
Comprehensive Income Attributable to DTE Energy Company/DTE Electric	$ 285	$ 216	$ 547	$ 480