Short-Term Credit Arrangements and Borrowings (Details Textuals)	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	May 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 3,256,000,000
Weighted average interest rate	4.60%			0.30%
Dividend restriction	$ 2,800,000,000
Retained earnings	3,808,000,000			$ 3,438,000,000
Effective limitations	0
DTE Electric
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 800,000,000
Total funded debt to capitalization ratio	0.51
Weighted average interest rate	4.60%			0.20%
Retained earnings	$ 3,093,000,000			$ 2,901,000,000
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	0.49
DTE Gas | Maximum
Short-term Debt [Line Items]
Total funded debt to capitalization ratio	0.65
Unsecured Letter Of Credit Facility, Expiring In June 2023 | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 375,000,000
Unsecured Letter Of Credit Facility, Expiring In June 2023 | Letters of credit | DTE Electric
Short-term Debt [Line Items]
Maximum borrowing capacity	0
Unsecured Letter Of Credit Facility, Expiring In June 2023 | Letters of credit | DTE Gas
Short-term Debt [Line Items]
Maximum borrowing capacity	0
DTE Energy
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 2,156,000,000
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	166,000,000			$ 103,000,000
DTE Energy | Unsecured Letter Of Credit Facility, Expiring In June 2023 | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 375,000,000	$ 375,000,000	$ 70,000,000