Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 1,404	$ 1,397	$ 1,083
Other comprehensive income (loss), net of tax:
Benefit obligations, net of taxes of $—, $2, and $12, respectively	1	6	43
Net unrealized gains (losses) on derivatives, net of taxes of $15, $(4), and $3, respectively	47	(13)	7
Foreign currency translation	(7)	2	0
Other comprehensive income (loss)	41	(5)	50
Comprehensive Income Attributable to DTE Energy Company	$ 1,445	$ 1,392	$ 1,133