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Financing Receivables - Additional Information (Details) - Public Service Electric and Gas Company [Member] - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Schedule of Financial Receivables [Line Items] |  |
Average loan repayment period | 8 years |
Average loan remaining repayment period | 2 years |
Outstanding Loans by Class of Customer | $ 31,000,000 | $ 40,000,000
Minimum [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Loan receivable, term | 10 years |
Maximum [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Loan receivable, term | 15 years |
Commercial/Industrial [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Outstanding Loans by Class of Customer | $ 29,000,000 | $ 38,000,000
Solar Loan I [Member] | Commercial/Industrial [Member] | Maximum [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Outstanding Loans by Class of Customer | 1,000,000 |
Solar Loan I and II [Member] | Residential Loans Concentration Credit Risk [Member] |  |
Schedule of Financial Receivables [Line Items] |  |
Outstanding Loans by Class of Customer | $ 0 |

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