Commitments and Contingencies (Details)	1 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2024 USD ($) employee site facility	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Asset retirement obligations		$ 3,867,000,000	$ 3,556,000,000
Estimated capital expenditures for current fiscal year		$ 4,700,000,000
Workforce subject to collective bargaining arrangements | Labor force concentration risk
Loss Contingencies [Line Items]
Number of employees | employee		4,850
Percentage of total employees		51.00%
Workforce subject to collective bargaining arrangements expiring within one year | Labor force concentration risk
Loss Contingencies [Line Items]
Percentage of total employees		8.00%
Reduced emissions fuel guarantees
Loss Contingencies [Line Items]
Number of days after expiration of statutes of limitations		90 days
Maximum potential liability		$ 381,000,000
Other guarantees
Loss Contingencies [Line Items]
Maximum potential liability		69,000,000
Performance surety bonds
Loss Contingencies [Line Items]
Performance bonds outstanding		345,000,000
Performance surety bonds | Energy Trading
Loss Contingencies [Line Items]
Performance bonds outstanding		$ 130,000,000
Performance surety bonds | Minimum | Energy Trading
Loss Contingencies [Line Items]
Performance bonds term		1 year
Performance surety bonds | Maximum | Energy Trading
Loss Contingencies [Line Items]
Performance bonds term		3 years
DTE Electric
Loss Contingencies [Line Items]
Environmental capital expenditures		$ 2,400,000,000
Estimated environmental capital expenditures		$ 0
Number of former MGP sites | site		3
Accrued for remediation		$ 9,000,000	9,000,000
Number of permitted engineered ash storage facilities owned | facility		3
Asset retirement obligations		$ 3,631,000,000	3,326,000,000
Estimated capital expenditures for current fiscal year		$ 3,400,000,000
DTE Electric | Ludington Plant Contract Dispute | Pending litigation
Loss Contingencies [Line Items]
Damages sought, percentage liable	49.00%
DTE Electric | Workforce subject to collective bargaining arrangements | Labor force concentration risk
Loss Contingencies [Line Items]
Number of employees | employee		2,500
Percentage of total employees		59.00%
DTE Electric | Workforce subject to collective bargaining arrangements expiring within one year | Labor force concentration risk
Loss Contingencies [Line Items]
Percentage of total employees		8.00%
DTE Electric | Minimum | Ludington Plant Contract Dispute | Pending litigation
Loss Contingencies [Line Items]
Estimated impact of loss contingency		$ 350,000,000
DTE Electric | Maximum | Ludington Plant Contract Dispute | Pending litigation
Loss Contingencies [Line Items]
Estimated impact of loss contingency		400,000,000
DTE Electric | Performance surety bonds
Loss Contingencies [Line Items]
Performance bonds outstanding		170,000,000
DTE Electric | EPA Regulations and Clean Water Act Section 316(b), capital expenditures
Loss Contingencies [Line Items]
Estimated impact of loss contingency		81,000,000
Estimated impact of the environmental rules through 2028		54,000,000
DTE Electric | Legacy CCR Surface Impoundments And CCR Management Units
Loss Contingencies [Line Items]
Asset retirement obligations		211,000,000
DTE Electric | Coal Combustion Residual and Effluent Limitations Guidelines Rules, capital expenditures
Loss Contingencies [Line Items]
Estimated impact of loss contingency		413,000,000
Estimated impact of the environmental rules through 2028		$ 403,000,000
DTE Gas
Loss Contingencies [Line Items]
Number of former MGP sites | site		14
Accrued for remediation		$ 25,000,000	$ 26,000,000
Amortization period (in years)		10 years
DTE Gas | Clean up completed and site closed
Loss Contingencies [Line Items]
Number of former MGP sites | site		8
DTE Gas | Partial closure complete
Loss Contingencies [Line Items]
Number of former MGP sites | site		4
TAES and Toshiba Corporation | Ludington Plant Contract Dispute | DTE Electric and Consumers | Pending litigation
Loss Contingencies [Line Items]
Damages sought	$ 15,000,000