Short-Term Credit Arrangements and Borrowings (Details Textuals)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 3,175,000,000
Weighted average interest rate	5.60%	4.60%
Dividend restriction	$ 2,900,000,000
Retained earnings	4,404,000,000	$ 3,808,000,000
Effective limitations	0
DTE Electric
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 900,000,000
Total funded debt to capitalization ratio	0.51
Weighted average interest rate	5.60%	4.60%
Retained earnings	$ 2,863,000,000	$ 3,093,000,000
DTE Electric | Maximum
Short-term Debt [Line Items]
Total funded debt to capitalization ratio	0.65
DTE Gas
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 300,000,000
Total funded debt to capitalization ratio	0.48
DTE Gas | Maximum
Short-term Debt [Line Items]
Total funded debt to capitalization ratio	0.65
DTE Energy
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 1,975,000,000
Total funded debt to capitalization ratio	0.63
DTE Energy | Maximum
Short-term Debt [Line Items]
Total funded debt to capitalization ratio	0.70
DTE Energy | Demand financing agreement
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 200,000,000
Amount outstanding	152,000,000	$ 166,000,000
DTE Energy | DTE Energy Revolver | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 500,000,000