Consolidated Statements of Changes in Shareholder's Equity (Unaudited) - 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, 2023		206,357,000			138,632,000
Beginning Balance at Dec. 31, 2023				$ 10,224	$ 1,386	$ 5,975	$ 2,863
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 313			170			170
Dividends declared on common stock	$ (211)		$ (211)	(194)			(194)
Ending Balance (in shares) at Mar. 31, 2024		206,937,000			138,632,000
Ending Balance at Mar. 31, 2024				$ 10,200	$ 1,386	5,975	2,839
Beginning Balance (in shares) at Dec. 31, 2024	207,171,582	207,172,000		138,632,324	138,632,000
Beginning Balance at Dec. 31, 2024	$ 11,699			$ 11,154	$ 1,386	6,609	3,159
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	445			121			121
Dividends declared on common stock	$ (226)		$ (226)	$ (211)			(211)
Ending Balance (in shares) at Mar. 31, 2025	207,515,682	207,516,000		138,632,324	138,632,000
Ending Balance at Mar. 31, 2025	$ 11,921			$ 11,064	$ 1,386	$ 6,609	$ 3,069