Schedule Of Consolidated Debt (Fair Value of Debt) (Details) - USD ($) $ in Millions		Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Long-term Debt		$ 9,568	$ 9,098
Long-term Debt, Fair Value		10,256	10,149
PSEG [Member]
Debt Instrument [Line Items]
Long-term Debt		503	14
Long-term Debt, Fair Value	[1]	506	22
PSE&G
Debt Instrument [Line Items]
Long-term Debt		6,821	6,275
Long-term Debt, Fair Value	[2]	7,235	6,912
Transition Funding [Member]
Debt Instrument [Line Items]
Long-term Debt		0	251
Long-term Debt, Fair Value	[2]	0	261
Transition Funding II [Member]
Debt Instrument [Line Items]
Long-term Debt		0	8
Long-term Debt, Fair Value	[2]	0	8
Power [Member]
Debt Instrument [Line Items]
Long-term Debt		2,237	2,534
Long-term Debt, Fair Value	[2]	2,508	2,930
Energy Holdings [Member]
Debt Instrument [Line Items]
Long-term Debt		7	16
Long-term Debt, Fair Value	[3]	$ 7	$ 16

[1] .

[2] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjEzNGM1ZjNhZTdjZTQzNzE4NjgyYzYxZmQ0OWExMWNjfFRleHRTZWxlY3Rpb246QUY1MUNBNzREQTEzNTVCODBCRDdBOTAwM0RGNzMxRkYM}

[3] Non-recourse project debt is valued as equivalent to the amortized cost and is classified as a Level 3 measurement.