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Debt and Credit Facilities Debt and Credit Facilities (Short-Term Liquidity) (Details) - USD ($) $ in Millions | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Apr. 30, 2024 | Aug. 31, 2023 | Apr. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Commercial Paper |  |  |  |  | $ 879 |  | $ 949
Commitments of Single Institution as Percentage of Total Commitments |  |  |  |  | 10.00% |  |
Line of Credit Facility, Remaining Borrowing Capacity | [1] |  |  |  | $ 2,949 |  |
Line of Credit Facility, Maximum Borrowing Capacity | [1] |  |  |  | 4,025 |  |
Line of Credit Facility, Fair Value of Amount Outstanding | [1],[2] |  |  |  | 1,076 |  |
Proceeds from Short-Term Loan |  |  |  |  | 0 | $ 750 |
Repayments of Short-term Debt |  |  |  |  | 500 | 2,000 |
Collateral Already Posted, Aggregate Fair Value |  |  |  |  | 137 |  | 113
Net Change in Commercial Paper and Loans |  |  |  |  | 430 | 247 |
Public Service Electric and Gas Company [Member] |  |  |  |  |  |  |
Commercial Paper |  |  |  |  | 390 |  | $ 425
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | 589 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 1,000 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 411 |  |
Net Change in Commercial Paper and Loans |  |  |  |  | (35) | $ 298 |
PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | 1,364 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 1,525 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 161 |  |
Five Year Credit Facility Maturing March 2023 [Member] | Public Service Electric and Gas Company [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 589 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Mar 2028 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 1,000 |  |
Line of Credit Facility, Fair Value of Amount Outstanding | [2] |  |  |  | 411 |  |
Five Year Credit Facility Maturing March 2023 [Member] | PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 1,211 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Mar 2028 |  |
Line of Credit Facility, Maximum Borrowing Capacity | [3] |  |  |  | $ 1,250 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 39 |  |
Letter of Credit Facilities expiring April 2025 | PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 30 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Apr 2026 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 75 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 45 |  |
Letter of Credit Facilities expiring September 2024 | PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 123 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Sept 2024 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 200 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 77 |  |
Uncommitted Letter of Credit Facility | PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 200 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 68 |  |
Subsidiary Uncommitted Letter of Credit Facility | PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 150 |  |
April 2023 Term Loan |  |  |  |  |  |  |
Proceeds from Short-Term Loan |  |  |  | $ 750 |  |  |
Repayments of Short-term Debt |  | $ 500 | $ 250 |  |  |  |
PSEG [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | 996 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 1,500 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 504 |  |
PSEG [Member] | Five Year Credit Facility Maturing March 2023 [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 996 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Mar 2028 |  |
Line of Credit Facility, Maximum Borrowing Capacity | [3] |  |  |  | $ 1,500 |  |
Line of Credit Facility, Fair Value of Amount Outstanding | [2] |  |  |  | 504 |  |
PSEG [Member] | Five Year Credit Facility Maturing March 2023 [Member] |  |  |  |  |  |  |
Commercial Paper |  |  |  |  | $ 489 |  |
Short-term Debt, Weighted Average Interest Rate, at Point in Time |  |  |  |  | 5.52% |  |
Public Service Electric and Gas Company [Member] | Five Year Credit Facility Maturing March 2023 [Member] |  |  |  |  |  |  |
Commercial Paper |  |  |  |  | $ 390 |  |
Short-term Debt, Weighted Average Interest Rate, at Point in Time |  |  |  |  | 5.49% |  |
[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 June 30, 2024, PSEG had $489 million outstanding commercial paper at a weighted average interest rate of 5.52% and PSE&G had $390 million outstanding at a weighted average interest rate of 5.49%.
[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.

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