v3.25.2
Regulatory Matters (Details) - DTE Electric - USD ($)
$ in Millions
1 Months Ended 27 Months Ended
Apr. 24, 2025
Apr. 23, 2025
Feb. 27, 2025
Mar. 31, 2023
Jun. 30, 2025
2022 Electric PSCR Reconciliation | Recovery Mechanism, Power Supply Costs          
Public Utilities, General Disclosures [Line Items]          
Recovery of cost rate       $ 421 $ 416
2022 Electric PSCR Reconciliation | MPSC          
Public Utilities, General Disclosures [Line Items]          
Cost recovery approved rate     $ 387    
Amount of disallowed costs     $ 33    
2025 DTE Electric Rate Case Filing | MPSC          
Public Utilities, General Disclosures [Line Items]          
Requested rate increase $ 574        
Return on equity requested percent 10.75% 9.90%