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, 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				100			100
Dividends declared on common stock	$ (196)		$ (196)	(182)			(182)
Ending Balance (in shares) at Mar. 31, 2023		206,109,000			138,632,000
Ending Balance at Mar. 31, 2023				9,613	$ 1,386	5,216	3,011
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	646			279
Ending Balance (in shares) at Jun. 30, 2023		206,176,000			138,632,000
Ending Balance at Jun. 30, 2023				9,618	$ 1,386	5,216	3,016
Beginning Balance (in shares) at Mar. 31, 2023		206,109,000			138,632,000
Beginning Balance at Mar. 31, 2023				9,613	$ 1,386	5,216	3,011
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	201			179			179
Dividends declared on common stock	$ (393)		(393)	(174)			(174)
Ending Balance (in shares) at Jun. 30, 2023		206,176,000			138,632,000
Ending Balance at Jun. 30, 2023				$ 9,618	$ 1,386	5,216	3,016
Beginning Balance (in shares) at Dec. 31, 2023	206,357,070	206,357,000		138,632,324	138,632,000
Beginning Balance at Dec. 31, 2023	$ 11,050			$ 10,224	$ 1,386	5,975	2,863
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income				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, 2023	206,357,070	206,357,000		138,632,324	138,632,000
Beginning Balance at Dec. 31, 2023	$ 11,050			$ 10,224	$ 1,386	5,975	2,863
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 635			$ 448
Ending Balance (in shares) at Jun. 30, 2024	207,020,080	207,020,000		138,632,324	138,632,000
Ending Balance at Jun. 30, 2024	$ 11,106			$ 10,284	$ 1,386	5,975	2,923
Beginning Balance (in shares) at Mar. 31, 2024		206,937,000			138,632,000
Beginning Balance at Mar. 31, 2024				10,200	$ 1,386	5,975	2,839
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	322			278			278
Dividends declared on common stock	$ (422)		$ (422)	$ (194)			(194)
Ending Balance (in shares) at Jun. 30, 2024	207,020,080	207,020,000		138,632,324	138,632,000
Ending Balance at Jun. 30, 2024	$ 11,106			$ 10,284	$ 1,386	$ 5,975	$ 2,923