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, 2021		193,748,000			138,632,000
Beginning balance at Dec. 31, 2021				$ 8,903	$ 1,386	$ 4,616	$ 2,901
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 1,083			955			955
Dividends declared on common stock	(710)		$ (710)	(763)			(763)
Capital contribution by parent company				600		600
Ending balance (in shares) at Dec. 31, 2022		205,632,000			138,632,000
Ending balance at Dec. 31, 2022				9,695	$ 1,386	5,216	3,093
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	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	206,357,070	206,357,000		138,632,324	138,632,000
Ending balance at Dec. 31, 2023	$ 11,050			$ 10,224	$ 1,386	5,975	2,863
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	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