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Debt and Credit Facilities Debt and Credit Facilities (Short-Term Liquidity) (Details) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
May 31, 2023 | Apr. 30, 2023 | Apr. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Commercial Paper |  |  |  |  | $ 695 |  | $ 2,200
Commitments of Single Institution as Percentage of Total Commitments |  |  |  |  | 10.00% |  |
Line of Credit Facility, Remaining Borrowing Capacity | [1] |  |  |  | $ 3,749 |  |
Line of Credit Facility, Maximum Borrowing Capacity | [1] |  |  |  | 4,150 |  |
Line of Credit Facility, Fair Value of Amount Outstanding | [1],[2] |  |  |  | 401 |  |
Proceeds from Short-Term Loan |  |  |  |  | 750 | $ 2,000 |
Repayments of Short-term Debt |  |  |  |  | 2,250 | 2,500 |
Collateral Already Posted, Aggregate Fair Value |  |  |  |  | 346 |  | 1,521
Net Change in Commercial Paper and Loans |  |  |  |  | (5) | (784) |
Public Service Electric and Gas Company [Member] |  |  |  |  |  |  |
Commercial Paper |  |  |  |  | 100 |  | $ 0
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | 880 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 1,000 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 120 |  |
Net Change in Commercial Paper and Loans |  |  |  |  | 100 | $ 0 |
PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | 1,466 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 1,650 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 184 |  |
Five Year Credit Facility Maturing March 2023 [Member] | Public Service Electric and Gas Company [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 880 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Mar 2027 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 1,000 |  |
Line of Credit Facility, Fair Value of Amount Outstanding | [2] |  |  |  | 120 |  |
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 2027 |  |
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 2024 | PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 34 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Apr 2024 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 100 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 66 |  |
Letter of Credit Facilities expiring April 2025 | PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 100 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Apr 2025 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 100 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 0 |  |
Letter of Credit Facilities expiring September 2024 | PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 121 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Sept 2024 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 200 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 79 |  |
Uncommitted Letter of Credit Facility | PSEG Power [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 150 |  |
April 2022 Term Loan |  |  |  |  |  |  |
Proceeds from Short-Term Loan |  |  |  | $ 1,500 |  |  |
Repayments of Short-term Debt |  |  | $ 750 |  | 750 |  |
April 2023 Term Loan |  |  |  |  |  |  |
Proceeds from Short-Term Loan |  |  | 750 |  |  |  |
Repayments of Short-term Debt |  |  | $ 250 |  |  |  |
May 2023 Term Loan |  |  |  |  |  |  |
Proceeds from Short-Term Loan |  | $ 500 |  |  |  |  |
PSEG [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | 1,403 |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 1,500 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | 97 |  |
PSEG [Member] | Five Year Credit Facility Maturing March 2023 [Member] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 1,403 |  |
Debt Instrument, Maturity Date, Description |  |  |  |  | Mar 2027 |  |
Line of Credit Facility, Maximum Borrowing Capacity | [3] |  |  |  | $ 1,500 |  |
Line of Credit Facility, Fair Value of Amount Outstanding | [2] |  |  |  | 97 |  |
PSEG [Member] | Five Year Credit Facility Maturing March 2023 [Member] |  |  |  |  |  |  |
Commercial Paper |  |  |  |  | $ 95 |  |
Short-term Debt, Weighted Average Interest Rate, at Point in Time |  |  |  |  | 5.46% |  |
Public Service Electric and Gas Company [Member] | Five Year Credit Facility Maturing March 2023 [Member] |  |  |  |  |  |  |
Commercial Paper |  |  |  |  | $ 100 |  |
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.
[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 September 30, 2023, PSEG had $95 million outstanding at a weighted average interest rate of 5.46% and PSE&G had $100 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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