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v3.24.2

Debt and Credit Facilities (Changes in Long-Term Debt) (Detail) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Debt Instrument [Line Items] |  |
Issuance of Long-term Debt | $ 2,250 | $ 900
Repayments of Long-term Debt | 1,000 | 500
Public Service Electric and Gas Company [Member] |  |
Debt Instrument [Line Items] |  |
Issuance of Long-term Debt | 1,000 | 900
Repayments of Long-term Debt | 250 | $ 500
Three Year Variable rate term loan | PSEG Power [Member] |  |
Debt Instrument [Line Items] |  |
Issuance of Long-term Debt | 1,250 |
Senior Notes Five Point Two Zero Due Two Thousand Twenty Nine |  |
Debt Instrument [Line Items] |  |
Issuance of Long-term Debt | $ 750 |
Debt Instrument, Interest Rate, Stated Percentage | 5.20% |
Senior Notes Five Point Four Five due Two Thousand Thirty Four |  |
Debt Instrument [Line Items] |  |
Issuance of Long-term Debt | $ 500 |
Debt Instrument, Interest Rate, Stated Percentage | 5.45% |
Medium Term Notes Five Point Two Zero due Two Thousand Thirty Four | Public Service Electric and Gas Company [Member] |  |
Debt Instrument [Line Items] |  |
Issuance of Long-term Debt | $ 450 |
Debt Instrument, Interest Rate, Stated Percentage | 5.20% |
Medium Term Notes Five Point Four Five Percent due Two Thousand Fifty Four | Public Service Electric and Gas Company [Member] |  |
Debt Instrument [Line Items] |  |
Issuance of Long-term Debt | $ 550 |
Debt Instrument, Interest Rate, Stated Percentage | 5.45% |
Medium Term Notes Three Point Seven Five Percent due Two Thousand Twenty Four | Public Service Electric and Gas Company [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.75% |
Repayments of Long-term Debt | $ 250 |
Senior Notes Two Point Eight Eight Percent due 2024 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.88% |
Repayments of Long-term Debt | $ 750 |

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