Short-Term Credit Arrangements and Borrowings (Details Textuals)	Oct. 27, 2022 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	May 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Short-term Debt [Line Items]
Maximum borrowing capacity		$ 2,954,000,000
Unsecured letter of credit facility, expiring June 2023 | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity		375,000,000
Unsecured revolving credit facility, expiring April 2026 | Revolving credit facility
Short-term Debt [Line Items]
Maximum borrowing capacity		2,300,000,000
Unsecured revolving credit facility, expiring October 2027 | Revolving credit facility | Subsequent Event
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 2,600,000,000
DTE Electric
Short-term Debt [Line Items]
Maximum borrowing capacity		$ 500,000,000
Ratio of indebtedness to net capital		0.52
DTE Electric | Unsecured letter of credit facility, expiring June 2023 | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity		$ 0
DTE Electric | Unsecured revolving credit facility, expiring April 2026 | Revolving credit facility
Short-term Debt [Line Items]
Maximum borrowing capacity		500,000,000
DTE Electric | Unsecured revolving credit facility, expiring October 2027 | Revolving credit facility | Subsequent Event
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 800,000,000
DTE Gas
Short-term Debt [Line Items]
Maximum borrowing capacity		$ 300,000,000
Ratio of indebtedness to net capital		0.50
DTE Gas | Unsecured letter of credit facility, expiring June 2023 | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity		$ 0
DTE Gas | Unsecured revolving credit facility, expiring April 2026 | Revolving credit facility
Short-term Debt [Line Items]
Maximum borrowing capacity		$ 300,000,000
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		$ 2,154,000,000
Ratio of indebtedness to net capital		0.68
DTE Energy | Demand financing agreement
Short-term Debt [Line Items]
Maximum borrowing capacity, financing agreement		$ 250,000,000
Amount outstanding		191,000,000			$ 103,000,000
DTE Energy | Unsecured letter of credit facility, expiring June 2023 | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity		375,000,000	$ 375,000,000	$ 70,000,000
DTE Energy | Unsecured revolving credit facility, expiring April 2026 | Revolving credit facility
Short-term Debt [Line Items]
Maximum borrowing capacity		1,500,000,000
DTE Energy | Demand financing agreement, up to $50 million | Demand financing agreement
Short-term Debt [Line Items]
Maximum borrowing capacity, financing agreement		50,000,000
Maximum additional margin financing		50,000,000
DTE Energy | Demand financing agreement, up to $150 million | Demand financing agreement
Short-term Debt [Line Items]
Maximum borrowing capacity, financing agreement		$ 150,000,000
DTE Energy | Maximum
Short-term Debt [Line Items]
Ratio of indebtedness to net capital		0.70