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Property, Plant and Equipment and Jointly-Owned Facilities - Schedule Of Property, Plant And Equipment (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total | $ 51,207 | $ 48,603
Public Service Electric and Gas Company |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Other | 2,136 | 1,992
Total | 46,198 | 43,753
Public Service Electric Gas and Other Company [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Other | 408 | 358
Total | 5,009 | 4,850
Electric Transmission | Public Service Electric and Gas Company |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 17,874 | 17,379
Electric Distribution | Public Service Electric and Gas Company |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 12,520 | 11,554
Gas Distribution and Transmission | Public Service Electric and Gas Company |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 12,536 | 11,545
Construction Work In Progress | Public Service Electric and Gas Company |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 1,132 | 1,283
Construction Work In Progress | Public Service Electric Gas and Other Company [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 159 | 224
Nuclear Production | Public Service Electric Gas and Other Company [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 3,649 | 3,496
Nuclear Fuel in Service | Public Service Electric Gas and Other Company [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | $ 793 | $ 772

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