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Commitments and Contingencies (Details Textuals)
1 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
employee
Jun. 30, 2022
USD ($)
employee
site
facility
Dec. 31, 2021
USD ($)
Loss Contingencies [Line Items]      
Estimated capital expenditures for current fiscal year $ 3,700,000,000 $ 3,700,000,000  
Workforce subject to collective bargaining arrangements | Labor force concentration risk      
Loss Contingencies [Line Items]      
Number of employees | employee 5,200 5,200  
Percentage of total employees   50.00%  
Workforce Subject to Collective Bargaining Arrangements Expiring within One Year | Labor force concentration risk      
Loss Contingencies [Line Items]      
Percentage of total employees   17.00%  
Reduced emissions fuel guarantees      
Loss Contingencies [Line Items]      
Number of days after expiration of statutes of limitations   90 days  
Maximum potential liability $ 634,000,000 $ 634,000,000  
Other guarantees      
Loss Contingencies [Line Items]      
Maximum potential liability 40,000,000 40,000,000  
Performance surety bonds      
Loss Contingencies [Line Items]      
Performance bonds outstanding 134,000,000 134,000,000  
DTE Electric      
Loss Contingencies [Line Items]      
Environmental capital expenditures 2,400,000,000 2,400,000,000  
Estimated environmental capital expenditures   $ 0  
Number of former MGP sites | site   3  
Accrued for remediation 10,000,000 $ 10,000,000 $ 14,000,000
Number of permitted engineered ash storage facilities owned | facility   3  
Estimated capital expenditures for current fiscal year $ 2,700,000,000 $ 2,700,000,000  
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 2,600 2,600  
Percentage of total employees   56.00%  
DTE Electric | Workforce Subject to Collective Bargaining Arrangements Expiring within One Year | Labor force concentration risk      
Loss Contingencies [Line Items]      
Percentage of total employees   26.00%  
DTE Electric | Performance surety bonds      
Loss Contingencies [Line Items]      
Performance bonds outstanding $ 119,000,000 $ 119,000,000  
DTE Electric | Coal Combustion Residual And Effluent Limitations Guidelines Rules      
Loss Contingencies [Line Items]      
Estimated impact of the CCR and ELG rules 568,000,000 568,000,000  
Estimated impact of the CCR and ELG rules through 2026 463,000,000 $ 463,000,000  
DTE Gas      
Loss Contingencies [Line Items]      
Number of former MGP sites | site   14  
Accrued for remediation 24,000,000 $ 24,000,000 $ 24,000,000
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