Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 37	$ 179	$ 431	$ 576
Other comprehensive income, net of tax:
Benefit obligations, net of taxes of $1, $—, $2, and $1, respectively	2	1	5	3
Net unrealized gains (losses) on derivatives, net of taxes of $1 for all periods	3	1	3	2
Other comprehensive income	5	2	8	5
Comprehensive income	42	181	439	581
Less: Comprehensive income attributable to noncontrolling interests	0	0	0	0
Comprehensive Income (Loss) Attributable to DTE Energy Company/DTE Electric Company	$ 42	$ 181	$ 439	$ 581