Short-Term Credit Arrangements and Borrowings (Details Textuals)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 3,225,000,000
DTE Electric
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 900,000,000
Ratio of indebtedness to net capital	0.53
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
Unsecured letter of credit facility | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 100,000,000
Unsecured letter of credit facility | DTE Electric | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	100,000,000
Unsecured letter of credit facility | DTE Gas | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	0
DTE Energy
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 2,025,000,000
Ratio of indebtedness to net capital	0.64
DTE Energy | Demand financing agreement
Short-term Debt [Line Items]
Maximum borrowing capacity, financing agreement	$ 200,000,000
Amount outstanding	$ 130,000,000	$ 166,000,000
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
DTE Energy | Unsecured letter of credit facility | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 0