Short-Term Credit Arrangements and Borrowings (Details Textuals)	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 3,200,000,000
DTE Electric
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 925,000,000
Ratio of indebtedness to net capital	0.54
DTE Gas
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 300,000,000
Ratio of indebtedness to net capital	0.46
Maximum | DTE Electric
Short-term Debt [Line Items]
Ratio of indebtedness to net capital	0.65
Maximum | DTE Gas
Short-term Debt [Line Items]
Ratio of indebtedness to net capital	0.65
DTE Energy
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 1,975,000,000
Ratio of indebtedness to net capital	0.66
DTE Energy | Demand financing agreement
Short-term Debt [Line Items]
Maximum borrowing capacity, financing agreement	$ 200,000,000
Amount outstanding	$ 133,000,000	$ 152,000,000
DTE Energy | Maximum
Short-term Debt [Line Items]
Ratio of indebtedness to net capital	0.70
DTE Energy | DTE Energy Revolver | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 500,000,000