Property, Plant and Equipment and Jointly-Owned Facilities - Schedule Of Jointly-Owned Facilities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Public Service Electric and Gas Company \| Transmission Facilities
Public Utility, Property, Plant and Equipment [Line Items]
Plant	$ 163	$ 164
Accumulated Depreciation	$ 75	$ 72
PSEG Power \| Peach Bottom
Public Utility, Property, Plant and Equipment [Line Items]
Ownership Interest	50.00%	50.00%
Plant	$ 1,450	$ 1,420
Accumulated Depreciation	$ 598	$ 564
PSEG Power \| Salem
Public Utility, Property, Plant and Equipment [Line Items]
Ownership Interest	57.00%	57.00%
Plant	$ 1,572	$ 1,539
Accumulated Depreciation	656	601
PSEG Power \| Nuclear Support Facilities
Public Utility, Property, Plant and Equipment [Line Items]
Plant	186	180
Accumulated Depreciation	$ 88	$ 84
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

The period end amount owned by the reporting utility of a jointly owned utility plant in service.

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

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- Definition

The period end amount of accumulated depreciation in a jointly owned electricity generation plant.

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- Definition

The proportionate share of interest (percent) in a jointly owned utility plant.

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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.

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