Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net Income	$ 1,172	$ 1,118	$ 1,112
Net Income	1,169	1,120	1,134
Other comprehensive income (loss), net of tax:
Benefit obligations, net of taxes	8	8	10
Net unrealized gains (losses) on derivatives during the period, net of taxes	(12)
Net unrealized gains (losses) on derivatives during the period, net of taxes		(1)	1
Net unrealized gains on investments during the period, net of taxes	0	0	1
Foreign currency translation	1	(2)	1
Other comprehensive income (loss)	(3)	5	13
Comprehensive income	1,169	1,123	1,125
Less: Comprehensive income (loss) attributable to noncontrolling interests	3	(2)	(22)
Comprehensive Income Attributable to DTE Energy Company/DTE Electric Company	1,166	1,125	1,147
DTE Electric
Net Income	716	664	601
Other comprehensive income (loss), net of tax:
Net unrealized gains on investments during the period, net of taxes	0	0	1
Other comprehensive income (loss)	0	0	1
Comprehensive Income Attributable to DTE Energy Company/DTE Electric Company	$ 716	$ 664	$ 602