Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net Income	$ 236	$ 175	$ 587	$ 569
Net Income	234	177	595	577
Other comprehensive income (loss), net of tax:
Benefit obligations, net of taxes of $1, $2, $2, and $4, respectively	3	3	5	7
Net unrealized gains on investments during the period, net of taxes of $—, respectively	0	1	0	1
Foreign currency translation	(1)	0	(1)	0
Other comprehensive income	2	4	4	8
Comprehensive income	238	179	591	577
Less: Comprehensive income (loss) attributable to noncontrolling interests	2	(2)	(8)	(8)
Comprehensive Income Attributable to DTE Energy Company/DTE Electric Company	236	181	599	585
DTE Electric
Net Income	163	138	303	244
Other comprehensive income (loss), net of tax:
Other comprehensive income	0	0	0	0
Comprehensive Income Attributable to DTE Energy Company/DTE Electric Company	$ 163	$ 138	$ 303	$ 244