Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 387	$ 22	$ 818	$ 598
Other comprehensive income, net of tax:
Benefit obligations, net of taxes of $—, $1, $2, and $2, respectively	2	2	7	5
Net unrealized gains on derivatives, net of taxes of $1, $1, $2, and $2, respectively	4	4	7	6
Other comprehensive income	6	6	14	11
Comprehensive income	393	28	832	609
Less: Comprehensive loss attributable to noncontrolling interests	0	(3)	0	(3)
Comprehensive Income (Loss) Attributable to DTE Energy Company/DTE Electric Company	$ 393	$ 31	$ 832	$ 612