Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net Income	$ 1,118	$ 1,112	$ 834
Net Income	1,120	1,134	868
Other comprehensive income (loss), net of tax:
Benefit obligations, net of taxes	8	10	11
Net unrealized gains (losses) on derivatives during the period, net of taxes	(1)	1	0
Net unrealized gains on investments during the period, net of taxes	0	1	1
Foreign currency translation	(2)	1	0
Other comprehensive income	5	13	12
Comprehensive income	1,123	1,125	846
Less: Comprehensive loss attributable to noncontrolling interests	(2)	(22)	(34)
Comprehensive Income Attributable to DTE Energy Company/DTE Electric Company	1,125	1,147	880
DTE Electric
Net Income	664	601	622
Other comprehensive income (loss), net of tax:
Net unrealized gains on investments during the period, net of taxes	0	1	0
Other comprehensive income	0	1	0
Comprehensive Income Attributable to DTE Energy Company/DTE Electric Company	$ 664	$ 602	$ 622