XML 191 R117.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Supplemental Financial Information - Balance Sheet (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents $ 720 $ 445 $ 522  
Restricted cash 489 482 381  
Restricted cash included in other long-term assets 99 174 180  
Total cash, restricted cash, and cash equivalents 1,308 1,101 1,083 $ 1,090
Accrued Expenses [Abstract]        
Compensation-related accruals 349 661    
Taxes accrued 237 221    
Interest accrued 408 414    
Commonwealth Edison Co        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents 100 110 75  
Restricted cash 428 402 323  
Restricted cash included in other long-term assets 99 174 180  
Total cash, restricted cash, and cash equivalents 627 686 578 511
Accrued Expenses [Abstract]        
Compensation-related accruals 102 206    
Taxes accrued 214 204    
Interest accrued 80 148    
PECO Energy Co        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents 39 42 27  
Restricted cash 9 9 9  
Restricted cash included in other long-term assets 0 0 0  
Total cash, restricted cash, and cash equivalents 48 51 36 68
Accrued Expenses [Abstract]        
Compensation-related accruals 46 87    
Taxes accrued 93 96    
Interest accrued 54 49    
Baltimore Gas and Electric Company        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents 27 47 20  
Restricted cash 0 1 1  
Restricted cash included in other long-term assets 0 0 0  
Total cash, restricted cash, and cash equivalents 27 48 21 67
Accrued Expenses [Abstract]        
Compensation-related accruals 46 81    
Taxes accrued 140 75    
Interest accrued 59 44    
Pepco Holdings LLC        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents 504 180 367  
Restricted cash 23 24 29  
Restricted cash included in other long-term assets 0 0 0  
Total cash, restricted cash, and cash equivalents 527 204 396 373
Accrued Expenses [Abstract]        
Compensation-related accruals 59 107    
Taxes accrued 170 137    
Interest accrued 87 72    
Potomac Electric Power Company        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents 198 48 126  
Restricted cash 22 24 27  
Restricted cash included in other long-term assets 0 0 0  
Total cash, restricted cash, and cash equivalents 220 72 153 99
Accrued Expenses [Abstract]        
Compensation-related accruals 19 27    
Taxes accrued 135 116    
Interest accrued 40 38    
Delmarva Power and Light Company        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents 269 16 142  
Restricted cash 1 0 1  
Restricted cash included in other long-term assets 0 0 0  
Total cash, restricted cash, and cash equivalents 270 16 143 152
Accrued Expenses [Abstract]        
Compensation-related accruals 12 17    
Taxes accrued 42 30    
Interest accrued 29 13    
Atlantic City Electric Company        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents 27 21 71  
Restricted cash 0 0 0  
Restricted cash included in other long-term assets 0 0 0  
Total cash, restricted cash, and cash equivalents 27 21 $ 71 $ 72
Accrued Expenses [Abstract]        
Compensation-related accruals 8 12    
Taxes accrued 16 10    
Interest accrued $ 17 $ 15