Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 394	$ 397
Other comprehensive income, net of tax:
Benefit obligations, net of taxes of $1 for both periods	3	2
Net unrealized gains (losses) on derivatives, net of taxes of $— for both periods	0	1
Other comprehensive income	3	3
Comprehensive income	397	400
Less: Comprehensive income attributable to noncontrolling interests	0	0
Comprehensive Income (Loss) Attributable to DTE Energy Company/DTE Electric Company	$ 397	$ 400