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Leases (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) renewals | Dec. 31, 2022 USD ($)
Lessee, Lease, Description [Line Items] |  |
Lessor leases carrying value | $ 179 |
Energy Holdings [Member] |  |
Lessee, Lease, Description [Line Items] |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation | 10 |
Impairment of Long-Lived Assets to be Disposed of |  | $ 78
Public Service Electric and Gas Company |  |
Lessee, Lease, Description [Line Items] |  |
Operating lease liabilities, current | $ 15 | 12
Public Service Electric and Gas Company | Five year renewals |  |
Lessee, Lease, Description [Line Items] |  |
Number of lease renewal terms | 4 |
Public Service Electric and Gas Company | Ten year renewals |  |
Lessee, Lease, Description [Line Items] |  |
Number of lease renewal terms | 1 |
Lessor, Operating Lease, Number Of Renewal Periods | 5 |
Public Service Electric and Gas Company | Forty Five year renewals |  |
Lessee, Lease, Description [Line Items] |  |
Number of lease renewal terms | 1 |
Public Service Electric and Gas Company | Forty Eight Year renewals |  |
Lessee, Lease, Description [Line Items] |  |
Number of lease renewal terms | 1 |
PSEG Power LLC [Member] |  |
Lessee, Lease, Description [Line Items] |  |
Number of lease renewal terms | renewals | 1 |
PSEG |  |
Lessee, Lease, Description [Line Items] |  |
Operating lease liabilities, current | $ 27 | $ 28
Services | Subsidiaries |  |
Lessee, Lease, Description [Line Items] |  |
Number of lease renewal terms | 2 |

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