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Property, Plant And Equipment And Jointly-Owned Facilities (Schedule Of Property, Plant And Equipment) (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | $ 22,967 | $ 20,428
Total Generation | 11,842 | 11,153
Other | 685 | 615
Total | 35,494 | 32,196
PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 22,967 | 20,428
Total Generation | 569 | 521
Other | 196 | 154
Total | 23,732 | 21,103
Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Total Generation | 11,273 | 10,632
Other | 81 | 100
Total | 11,354 | 10,732
Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Total Generation | 0 | 0
Other | 408 | 361
Total | 408 | 361
Electric Transmission [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 7,554 | 5,845
Electric Transmission [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 7,554 | 5,845
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 | 7,553 | 7,295
Electric Distribution [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 7,553 | 7,295
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 Transmission [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 89 | 89
Gas Transmission [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 89 | 89
Gas Transmission [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Gas Transmission [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 | 5,875 | 5,479
Gas Distribution [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 5,875 | 5,479
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 | 1,459 | 1,304
Total Generation | 892 | 714
Construction Work In Progress [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 1,459 | 1,304
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 | 892 | 714
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
Plant Held For Future Use [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 26 | 15
Plant Held For Future Use [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 26 | 15
Plant Held For Future Use [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Plant Held For Future Use [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 0 | 0
Other Plant [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 411 | 401
Other Plant [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Transmission and Distribution | 411 | 401
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 | 7,005 | 6,964
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 | 7,005 | 6,964
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 | 2,202 | 1,751
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 | 2,202 | 1,751
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 | 785 | 889
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 | 785 | 889
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 | 958 | 835
Other Production-Solar [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 569 | 521
Other Production-Solar [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | 389 | 314
Other Production-Solar [Member] | Other [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Total Generation | $ 0 | $ 0

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