Consolidated Statements of Changes in 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, 2020		193,771,000			138,632,000
Beginning Balance at Dec. 31, 2020				$ 8,070	$ 1,386	$ 4,061	$ 2,623
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 397			208			208
Dividends declared on common stock	$ (210)		$ (210)	(147)			(147)
Ending Balance (in shares) at Mar. 31, 2021		193,727,000			138,632,000
Ending Balance at Mar. 31, 2021				$ 8,131	$ 1,386	4,061	2,684
Beginning Balance (in shares) at Dec. 31, 2021	193,747,509	193,748,000		138,632,324	138,632,000
Beginning Balance at Dec. 31, 2021	$ 8,705			$ 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	193,739,166	193,739,000		138,632,324	138,632,000
Ending Balance at Mar. 31, 2022	$ 8,863			$ 8,827	$ 1,386	$ 4,616	$ 2,825