Consolidated Statements of Changes in Shareholder's Equity - DTE Electric Company - USD ($) $ in Millions	Total	Common Stock	Retained Earnings	DTE Electric	DTE Electric Common Stock	DTE Electric Additional Paid-in Capital	DTE Electric Retained Earnings
Beginning balance (in shares) at Dec. 31, 2022		205,632,000			138,632,000
Beginning balance at Dec. 31, 2022				$ 9,695	$ 1,386	$ 5,216	$ 3,093
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 1,397		$ 1,397	772			772
Dividends declared on common stock	(800)		(800)	(1,002)			(1,002)
Capital contribution by parent company				759		759
Ending balance (in shares) at Dec. 31, 2023		206,357,000			138,632,000
Ending balance at Dec. 31, 2023				10,224	$ 1,386	5,975	2,863
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	1,404		1,404	1,072			1,072
Dividends declared on common stock	$ (859)		(859)	(776)			(776)
Capital contribution by parent company				$ 634		634
Ending balance (in shares) at Dec. 31, 2024	207,171,582	207,172,000		138,632,324	138,632,000
Ending balance at Dec. 31, 2024	$ 11,699			$ 11,154	$ 1,386	6,609	3,159
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	1,462		1,462	1,152			1,152
Dividends declared on common stock	$ (921)		$ (921)	(846)			(846)
Capital contribution by parent company				$ 954		954
Ending balance (in shares) at Dec. 31, 2025	207,745,154	207,745,000		138,632,324	138,632,000
Ending balance at Dec. 31, 2025	$ 12,303			$ 12,414	$ 1,386	$ 7,563	$ 3,465