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Leases - Additional Information (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) Renewal | Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($)
Five year renewals | Subsidiaries | Services |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Number of lease renewal terms | 2 years |  |
Public Service Electric and Gas Company [Member] |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Operating lease liabilities, current | $ 15 |  | $ 15
Public Service Electric and Gas Company [Member] | Five year renewals |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Number of lease renewal terms | 4 years |  |
Public Service Electric and Gas Company [Member] | Ten year renewals |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Number of lease renewal terms | 1 year |  |
Lessor, Operating Lease, Number Of Renewal Periods | Renewal | 5 |  |
Public Service Electric and Gas Company [Member] | Forty Five year renewals |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Number of lease renewal terms | 1 year |  |
Public Service Electric and Gas Company [Member] | Forty Eight Year renewals |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Number of lease renewal terms | 1 year |  |
PSEG Power | Five year renewals |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Number of lease renewal terms | 1 year |  |
PSEG |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Operating lease liabilities, current | $ 29 |  | $ 27
Energy Holdings [Member] |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation | $ 9 |  |
Impairment of Long-Lived Assets to be Disposed of |  | $ 78 |

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