Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Net Income	$ 274	$ 327
Net Income	273	326
Other comprehensive income (loss), net of tax:
Benefit obligations, net of taxes	3	0
Foreign currency translation	(3)	(1)
Other comprehensive income (loss)	0	(1)
Comprehensive income	274	326
Less comprehensive income attributable to noncontrolling interests	1	1
Comprehensive income attributable to parent	273	325
DTE Electric
Net Income	137	137
Other comprehensive income (loss), net of tax:
Transfer of benefit obligations, net of taxes	28	0
Benefit obligations, net of taxes	0	(1)
Comprehensive income attributable to parent	$ 165	$ 136