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, 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	$ 394			201			201
Dividends declared on common stock	$ (171)		$ (171)	(277)			(277)
Ending Balance (in shares) at Mar. 31, 2022		193,739,000			138,632,000
Ending Balance at Mar. 31, 2022				$ 8,827	$ 1,386	4,616	2,825
Beginning Balance (in shares) at Dec. 31, 2022	205,632,393	205,632,000		138,632,324	138,632,000
Beginning Balance at Dec. 31, 2022	$ 10,397			$ 9,695	$ 1,386	5,216	3,093
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	445			100			100
Dividends declared on common stock	$ (196)		$ (196)	$ (182)			(182)
Ending Balance (in shares) at Mar. 31, 2023	206,109,174	206,109,000		138,632,324	138,632,000
Ending Balance at Mar. 31, 2023	$ 10,642			$ 9,613	$ 1,386	$ 5,216	$ 3,011