Consolidated Statements of Changes in Equity (Unaudited) - DTE Energy Company - USD ($) $ in Millions	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Beginning Balance (in shares) at Dec. 31, 2024		207,172,000
Beginning Balance at Dec. 31, 2024	$ 11,704	$ 6,779	$ 4,946	$ (26)	$ 5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	445		445
Dividends declared on common stock	(226)		(226)
Issuance of common stock (in shares)		73,000
Issuance of common stock	9	$ 9
Other comprehensive income (loss), net of tax	(2)			(2)
Stock-based compensation and other (in shares)		271,000
Stock-based compensation and other	(3)	$ (2)	(2)		1
Ending Balance (in shares) at Mar. 31, 2025		207,516,000
Ending Balance at Mar. 31, 2025	$ 11,927	$ 6,786	5,163	(28)	6
Beginning Balance (in shares) at Dec. 31, 2025	207,745,154	207,745,000
Beginning Balance at Dec. 31, 2025	$ 12,308	$ 6,858	5,484	(39)	5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	247		247
Dividends declared on common stock	(242)		(242)
Issuance of common stock (in shares)		66,000
Issuance of common stock	9	$ 9
Other comprehensive income (loss), net of tax	3			3
Stock-based compensation and other (in shares)		217,000
Stock-based compensation and other	$ 3	$ 5	(2)		0
Ending Balance (in shares) at Mar. 31, 2026	208,028,313	208,028,000
Ending Balance at Mar. 31, 2026	$ 12,328	$ 6,872	$ 5,487	$ (36)	$ 5