XML 66 R49.htm IDEA: XBRL DOCUMENT v3.23.3
Significant Accounting Policies (Details Textuals) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Significant Accounting Policies [Line Items]            
Accounts receivable $ 1,393,000,000     $ 1,393,000,000   $ 2,038,000,000
Unrecognized tax benefits decrease as a result of a settlement related to state exposures   $ 10,000,000        
Reduction to income tax expense as a result of an audit settlement related to state exposures   8,000,000        
Unrecognized tax benefits decrease due to recognition of a federal tax claim 5,000,000          
Reduction to income tax expense as a result of recognition of a federal tax claim 5,000,000          
Unrecognized tax benefits 0     0    
Accrued interest pertaining to income taxes           5,000,000
Unrecognized compensation cost 77,000,000     $ 77,000,000    
Recognition period (in years)       1 year 4 months 24 days    
Specific review of probable future collections based on receivable balances, threshold duration       30 days    
Past due            
Significant Accounting Policies [Line Items]            
Financing receivables 0     $ 0    
Notes receivable            
Significant Accounting Policies [Line Items]            
Financing receivables $ 141,000,000     $ 141,000,000    
Notes receivable | Minimum            
Significant Accounting Policies [Line Items]            
Number of days after which receivable is considered delinquent 60 days     60 days    
Notes receivable | Maximum            
Significant Accounting Policies [Line Items]            
Number of days after which receivable is considered delinquent 120 days     120 days    
DTE Electric and DTE Gas            
Significant Accounting Policies [Line Items]            
Threshold period past due for write-off of trade accounts receivable       150 days    
DTE Electric and DTE Gas | Accounts receivable            
Significant Accounting Policies [Line Items]            
Number of days after which receivable is considered delinquent 21 days     21 days    
DTE Electric            
Significant Accounting Policies [Line Items]            
Unrecognized tax benefits decrease as a result of a settlement related to state exposures   13,000,000        
Reduction to income tax expense as a result of an audit settlement related to state exposures   $ 10,000,000        
Unrecognized tax benefits $ 0     $ 0    
Accrued interest pertaining to income taxes           8,000,000
DTE Electric | Notes receivable            
Significant Accounting Policies [Line Items]            
Financing receivables 16,000,000     16,000,000    
DTE Electric | DTE Energy            
Significant Accounting Policies [Line Items]            
Allocated costs 7,000,000   $ 9,000,000 27,000,000 $ 30,000,000  
DTE Electric | DTE Energy | Federal taxes            
Significant Accounting Policies [Line Items]            
Accounts receivable $ 7,000,000     $ 7,000,000    
DTE Electric | DTE Energy | State taxes            
Significant Accounting Policies [Line Items]            
Accounts receivable           $ 1,000,000