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Property, Plant and Equipment and Jointly-Owned Facilities - Schedule Of Jointly-Owned Facilities (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Public Service Electric and Gas Company | Transmission Facilities |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Plant | $ 164 | $ 164
Accumulated Depreciation | $ 72 | $ 69
PSEG Power | Peach Bottom |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 50.00% | 50.00%
Plant | $ 1,420 | $ 1,451
Accumulated Depreciation | $ 564 | $ 534
PSEG Power | Salem |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 57.00% | 57.00%
Plant | $ 1,539 | $ 1,461
Accumulated Depreciation | 601 | 534
PSEG Power | Nuclear Support Facilities |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Plant | 180 | 178
Accumulated Depreciation | $ 84 | $ 77
PSEG Power | Merrill Creek Reservoir |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 14.00% | 14.00%
Plant | $ 1 | $ 1
Accumulated Depreciation | $ 0 | $ 0

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- Definition The period end amount owned by the reporting utility of a jointly owned utility plant in service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479070/980-360-S99-1 + Details
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- Definition The period end amount of accumulated depreciation in a jointly owned electricity generation plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479070/980-360-S99-1 + Details
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- Definition The proportionate share of interest (percent) in a jointly owned utility plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479070/980-360-S99-1 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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