Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net Income	$ 351	$ 394
Net Income	361	400
Other comprehensive income (loss), net of tax:
Implementation of ASU 2016-01	(5)	0
Benefit obligations, net of taxes of $1, and $2, respectively	2	4
Other comprehensive income (loss)	(3)	4
Comprehensive income	348	398
Less: Comprehensive loss attributable to noncontrolling interests	(10)	(6)
Comprehensive Income Attributable to DTE Energy Company/DTE Electric Company	358	404
DTE Electric
Net Income	140	106
Other comprehensive income (loss), net of tax:
Implementation of ASU 2016-01	3	0
Other comprehensive income (loss)	3	0
Comprehensive Income Attributable to DTE Energy Company/DTE Electric Company	$ 143	$ 106