v3.25.1
Debt and Credit Facilities Debt - Short-Term Liquidity - Additional Information (Details) - USD ($)
$ in Millions
 1 Months Ended
Dec. 31, 2024
Mar. 31, 2025
Debt Instrument [Line Items]    
Commitments of Single Institution as Percentage of Total Commitments   9.00%
Line of Credit Facility, Remaining Borrowing Capacity [1]   $ 3,704
Line of Credit Facility, Maximum Borrowing Capacity [1]   3,825
Line of Credit Facility, Fair Value of Amount Outstanding [1],[2]   121
Public Service Electric and Gas Company [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Remaining Borrowing Capacity   975
Line of Credit Facility, Maximum Borrowing Capacity   1,000
Line of Credit Facility, Fair Value of Amount Outstanding [2]   25
PSEG Power [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Remaining Borrowing Capacity   1,243
Line of Credit Facility, Maximum Borrowing Capacity   1,325
Line of Credit Facility, Fair Value of Amount Outstanding [2]   82
Uncommitted Letter of Credit Facility [Member] | PSEG Power [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity   200
Line of Credit Facility, Fair Value of Amount Outstanding   112
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity   3,750
Revolving Credit Facility [Member] | Public Service Electric and Gas Company [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Remaining Borrowing Capacity   975
Line of Credit Facility, Maximum Borrowing Capacity   1,000
Line of Credit Facility, Fair Value of Amount Outstanding [2]   25
Revolving Credit Facility [Member] | PSEG Power [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Remaining Borrowing Capacity [3]   1,213
Line of Credit Facility, Maximum Borrowing Capacity [3]   1,250
Line of Credit Facility, Fair Value of Amount Outstanding [2],[3]   $ 37
December 2024 Term Loan [Member]    
Debt Instrument [Line Items]    
Proceeds from Short-Term Loan $ 400  
Term loan $ 1,250  
[1] Amounts do not include uncommitted credit facilities or 364-day term loans, if any apply.
[2] The primary use of PSEG’s and PSE&G’s credit facilities is to support their respective Commercial Paper Programs, under which as of March 31, 2025, neither PSEG nor PSE&G had commercial paper outstanding.
[3] Master Credit Facility with sub-limits of $1.5 billion for PSEG and $1.25 billion for PSEG Power; sub-limits can be adjusted pursuant to the terms of the Master Credit Facility agreement. The PSEG sub-limit includes a sustainability linked pricing based mechanism with potential increases or decreases, which are not expected to be material, depending on performance relative to targeted methane emission reductions.