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Property, Plant And Equipment And Jointly-Owned Facilities (Schedule Of Property, Plant And Equipment) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | $ 30,628 | $ 28,249
Total Generation | 12,744 | 12,250
Other | 829 | 732
Total | 44,201 | 41,231
PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 30,628 | 28,249
Total Generation | 623 | 593
Other | 382 | 275
Total | 31,633 | 29,117
Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Total Generation | 12,121 | 11,657
Other | 103 | 98
Total | 12,224 | 11,755
Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Total Generation | 0 | 0
Other | 344 | 359
Total | 344 | 359
Electric Transmission [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 11,991 | 10,425
Electric Transmission [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 11,991 | 10,425
Electric Transmission [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Electric Transmission [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Electric Distribution [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 8,989 | 8,455
Electric Distribution [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 8,989 | 8,455
Electric Distribution [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Electric Distribution [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Gas Distribution [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 7,854 | 7,122
Gas Distribution [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 7,854 | 7,122
Gas Distribution [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Gas Distribution [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Construction Work In Progress [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 1,170 | 1,735
Total Generation | 1,011 | 2,339
Construction Work In Progress [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 1,170 | 1,735
Total Generation | 0 | 0
Construction Work In Progress [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Total Generation | 1,011 | 2,339
Construction Work In Progress [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Total Generation | 0 | 0
Other Plant [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 624 | 512
Other Plant [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 624 | 512
Other Plant [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Other Plant [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Fossil Production [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 6,541 | 4,923
Fossil Production [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 0 | 0
Fossil Production [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 6,541 | 4,923
Fossil Production [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 0 | 0
Nuclear Production [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 2,971 | 2,893
Nuclear Production [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 0 | 0
Nuclear Production [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 2,971 | 2,893
Nuclear Production [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 0 | 0
Nuclear Fuel In Service [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 765 | 745
Nuclear Fuel In Service [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 0 | 0
Nuclear Fuel In Service [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 765 | 745
Nuclear Fuel In Service [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 0 | 0
Other Production-Solar [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 1,456 | 1,350
Other Production-Solar [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 623 | 593
Other Production-Solar [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 833 | 757
Other Production-Solar [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | $ 0 | $ 0

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