Earnings Per Share and Dividends (Details Textuals) - shares		1 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Dec. 31, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Common stock, shares issued (in shares)	96,732,466	96,732,466	96,734,010
Common stock, shares outstanding (in shares)	96,732,466	96,732,466	96,734,010
Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Issuance of common shares to DTE Energy (in shares)	96,731,466	96,731,466	96,731,466	[1]
Common stock, shares outstanding (in shares)			96,734,010

[1] Issuance of common shares to DTE Energy in anticipation of the Separation.