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Short-Term Credit Arrangements and Borrowings (Details Textuals)
Mar. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Short-term Debt [Line Items]    
Maximum borrowing capacity $ 3,256,000,000  
DTE Electric    
Short-term Debt [Line Items]    
Maximum borrowing capacity $ 800,000,000  
Ratio of indebtedness to net capital 0.53  
DTE Gas    
Short-term Debt [Line Items]    
Maximum borrowing capacity $ 300,000,000  
Ratio of indebtedness to net capital 0.46  
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 $ 2,156,000,000  
Ratio of indebtedness to net capital 0.63  
DTE Energy | Demand financing agreement    
Short-term Debt [Line Items]    
Maximum borrowing capacity, financing agreement $ 200,000,000  
Amount outstanding $ 145,000,000 $ 166,000,000
DTE Energy | Maximum    
Short-term Debt [Line Items]    
Ratio of indebtedness to net capital 0.70