Commitments and Contingencies (Details Textuals)	1 Months Ended	12 Months Ended
	Jun. 30, 2022 USD ($)	Dec. 31, 2024 USD ($) employee site	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Asset retirement obligations		$ 4,031,000,000	$ 3,556,000,000
Capital expenditures estimated for next year		$ 4,900,000,000
Labor force concentration risk | Workforce subject to collective bargaining arrangements
Loss Contingencies [Line Items]
Approximate number of employees | employee		4,800
Percentage of total employees		51.00%
Labor force concentration risk | Workforce subject to collective bargaining arrangements expiring within one year
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		$ 216,000,000
Other guarantees
Loss Contingencies [Line Items]
Maximum potential liability		69,000,000
Performance surety bonds
Loss Contingencies [Line Items]
Performance bonds outstanding		368,000,000
Performance surety bonds | Energy Trading segment
Loss Contingencies [Line Items]
Performance bonds outstanding		$ 130,000,000
Performance surety bonds | Energy Trading segment | Minimum
Loss Contingencies [Line Items]
Performance bonds term		1 year
Performance surety bonds | Energy Trading segment | Maximum
Loss Contingencies [Line Items]
Performance bonds term		3 years
DTE Electric
Loss Contingencies [Line Items]
Environmental capital expenditures		$ 2,400,000,000
Estimated capital expenditures		$ 0
Number of former MGP sites | site		3
Accrued for remediation related to the sites		$ 10,000,000	9,000,000
Asset retirement obligations		3,791,000,000	3,326,000,000
Capital expenditures estimated for next year		3,700,000,000
DTE Electric | Ludington Plant Contract Dispute | Pending Litigation
Loss Contingencies [Line Items]
Damages sought, percentage liable	49.00%
DTE Electric | Minimum | Ludington Plant Contract Dispute | Pending Litigation
Loss Contingencies [Line Items]
Estimated impact of contingencies		350,000,000
DTE Electric | Maximum | Ludington Plant Contract Dispute | Pending Litigation
Loss Contingencies [Line Items]
Estimated impact of contingencies		$ 400,000,000
DTE Electric | Labor force concentration risk | Workforce subject to collective bargaining arrangements
Loss Contingencies [Line Items]
Approximate number of employees | employee		2,550
Percentage of total employees		59.00%
DTE Electric | Labor force concentration risk | Workforce subject to collective bargaining arrangements expiring within one year
Loss Contingencies [Line Items]
Percentage of total employees		1.00%
DTE Electric | Performance surety bonds
Loss Contingencies [Line Items]
Performance bonds outstanding		$ 193,000,000
DTE Gas
Loss Contingencies [Line Items]
Number of former MGP sites | site		14
Accrued for remediation related to the sites		$ 26,000,000	$ 26,000,000
Amortization period for MGP costs (in years)		10 years
DTE Gas | Cleanup completed and site closed
Loss Contingencies [Line Items]
Number of former MGP sites | site		8
DTE Gas | Partial closure completed
Loss Contingencies [Line Items]
Number of former MGP sites | site		4
Toshiba America Energy Systems and Toshiba Corporation | DTE Electric and Consumers Energy Company | Ludington Plant Contract Dispute | Pending Litigation
Loss Contingencies [Line Items]
Damages sought	$ 15,000,000
CCR and ELG Rules | DTE Electric
Loss Contingencies [Line Items]
Estimated impact of contingencies		$ 509,000,000
Legacy CCR Surface Impoundments And CCR Management Units | DTE Electric
Loss Contingencies [Line Items]
Asset retirement obligations		$ 289,000,000