v3.25.1
Debt and Credit Facilities - Schedule of Line of Credit Facilities (Parenthetical) (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity [1] $ 3,825  
Commercial Paper and Loans 400 $ 1,593
PSEG Power [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity 1,325  
Public Service Electric and Gas Company [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity 1,000  
Commercial Paper and Loans 0 $ 444
Revolving Credit Facility [Member] | PSEG Power [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity 1,250  
PSEG [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity 1,500  
PSEG [Member] | Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity $ 1,500  
[1] Amounts do not include uncommitted credit facilities or 364-day term loans, if any apply.