Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net Income	$ 105	$ 126	$ 379	$ 453
Net Income	109	124	382	450
Other comprehensive income (loss), net of tax:
Benefit obligations, net of taxes	3	1	6	1
Net unrealized gains on investments during the period, net of taxes of $—, $—, $— and $—, respectively	0	1	0	1
Foreign currency translation	1	1	(2)	0
Other comprehensive income	4	3	4	2
Comprehensive income	109	129	383	455
Less comprehensive income (loss) attributable to noncontrolling interests	(4)	2	(3)	3
Comprehensive income attributable to DTE Energy Company/DTE Electric	113	127	386	452
DTE Electric
Net Income	99	130	236	267
Other comprehensive income (loss), net of tax:
Transfer of benefit obligations, net of taxes	0	0	28	0
Benefit obligations, net of taxes	0	0	0	(1)
Comprehensive income attributable to DTE Energy Company/DTE Electric	$ 99	$ 130	$ 264	$ 266