Long-Term Debt (Details Textuals) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Debt Instrument [Line Items]
Debt redeemed	$ 100	$ 0
DTE Electric
Debt Instrument [Line Items]
Debt redeemed	100	$ 0
DTE Electric | Mortgage Bonds | 2013 Series B Mortgage Bonds
Debt Instrument [Line Items]
Debt redeemed	$ 100
Interest rate	3.65%