Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 1,518	$ 1,243	$ 1,275
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	1,227	1,178	1,054
Amortization of Nuclear Fuel	200	192	173
Provision for Deferred Income Taxes (Other than Leases) and ITC	515	270	721
Non-Cash Employee Benefit Plan Costs	47	243	271
Leveraged Lease Income, Adjusted for Rents Received and Deferred Taxes	(4)	31	93
Net (Gain) Loss on Lease Investments	(3)	2	(49)
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	(93)	79	63
Change in Accrued Storm Costs	(3)	(90)	(90)
Net Change in Regulatory Assets and Liabilities	190	2	(132)
Cost of Removal	(98)	(93)	(116)
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(166)	(104)	(118)
Net Change in Certain Current Assets and Liabilities:
Net Change in Tax Receivable	30	19	(211)
Net Change in Certain Current Assets and Liabilities	(209)	299	97
Employee Benefit Plan Funding and Related Payments	(95)	(231)	(314)
Other	104	118	70
Net Cash Provided By (Used In) Operating Activities	3,160	3,158	2,787
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(2,820)	(2,811)	(2,574)
Proceeds from Sale of Capital Leases and Investments	25	50	58
Proceeds from Sale of Available-for-Sale Securities	1,915	1,159	1,666
Investments in Available-for-Sale Securities	(1,934)	(1,170)	(1,700)
Other	(78)	(29)	(75)
Net Cash Provided By (Used In) Investing Activities	(2,892)	(2,801)	(2,625)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	(60)	(203)	263
Issuance of Long-Term Debt	1,250	2,000	900
Redemption of Long-Term Debt	(500)	(1,025)	(787)
Repayment of Non-Recourse Debt	0	0	(1)
Redemption of Securitization Debt	(237)	(226)	(216)
Cash Dividend Paid on Common Stock	(748)	(728)	(718)
Other	(64)	(61)	(58)
Net Cash Provided By (Used In) Financing Activities	(359)	(243)	(617)
Net Increase (Decrease) In Cash and Cash Equivalents	(91)	114	(455)
Cash and Cash Equivalents at Beginning of Period	493	379	834
Cash and Cash Equivalents at End of Period	402	493	379
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	538	241	121
Interest Paid, Net of Amounts Capitalized	382	385	402
Accrued Property, Plant and Equipment Expenditures	382	336	370
PSE&G [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	725	612	528
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	906	872	778
Provision for Deferred Income Taxes (Other than Leases) and ITC	310	198	442
Interest Accretion on Asset Retirement Obligation	0	0
Non-Cash Employee Benefit Plan Costs	27	156	179
Change in Accrued Storm Costs	(3)	(90)	(90)
Net Change in Regulatory Assets and Liabilities	190	2	(132)
Cost of Removal	(98)	(93)	(116)
Net Change in Certain Current Assets and Liabilities:
Accounts Receivable and Unbilled Revenues	63	(5)	(54)
Fuel, Materials and Supplies	(18)	(1)	(20)
Prepayments	(18)	5	88
Net Change in Tax Receivable	0	0	16
Accounts Payable	(3)	19	(25)
Accounts Receivable/Payable-Affiliated Companies, net	(167)	100	(132)
Other Current Assets and Liabilities	6	40	37
Employee Benefit Plan Funding and Related Payments	(83)	(166)	(213)
Other	(4)	(4)	(30)
Net Cash Provided By (Used In) Operating Activities	1,833	1,645	1,256
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(2,164)	(2,175)	(1,770)
Proceeds from Sale of Available-for-Sale Securities	103	38	77
Investments in Available-for-Sale Securities	(101)	(20)	(77)
Solar Loan Investments	7	(15)	(74)
Other	0	0	(1)
Net Cash Provided By (Used In) Investing Activities	(2,155)	(2,172)	(1,845)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Short-Term Debt	(60)	(203)	263
Issuance of Long-Term Debt	1,250	1,500	900
Redemption of Long-Term Debt	(500)	(725)	(373)
Contributed Capital	175	100	0
Redemption of Securitization Debt	(237)	(226)	(216)
Other	(14)	(17)	(12)
Net Cash Provided By (Used In) Financing Activities	614	429	562
Net Increase (Decrease) In Cash and Cash Equivalents	292	(98)	(27)
Cash and Cash Equivalents at Beginning of Period	18	116	143
Cash and Cash Equivalents at End of Period	310	18	116
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	283	84	(30)
Interest Paid, Net of Amounts Capitalized	259	275	280
Accrued Property, Plant and Equipment Expenditures	292	246	275
Power [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	760	644	666
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	292	273	242
Amortization of Nuclear Fuel	200	192	173
Provision for Deferred Income Taxes (Other than Leases) and ITC	221	122	397
Interest Accretion on Asset Retirement Obligation	30	23	21
Non-Cash Employee Benefit Plan Costs	13	66	70
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	(93)	79	63
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(166)	(104)	(118)
Net Change in Certain Current Assets and Liabilities:
Fuel, Materials and Supplies	19	(8)	47
Margin Deposits	(22)	(43)	(116)
Accounts Receivable	(15)	(4)	24
Accounts Payable	(59)	28	93
Accounts Receivable/Payable-Affiliated Companies, net	220	0	(40)
Accrued Interest Payable	0	2	(6)
Other Current Assets and Liabilities	(6)	70	(17)
Employee Benefit Plan Funding and Related Payments	(7)	(46)	(72)
Other	38	53	26
Net Cash Provided By (Used In) Operating Activities	1,425	1,347	1,453
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(626)	(609)	(770)
Proceeds from Sale of Available-for-Sale Securities	1,557	1,084	1,478
Investments in Available-for-Sale Securities	(1,573)	(1,102)	(1,506)
Short-Term Loan-Affiliated Company, net	206	(216)	333
Other	(88)	(18)	(7)
Net Cash Provided By (Used In) Investing Activities	(524)	(861)	(472)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of Long-Term Debt	0	500	0
Redemption of Long-Term Debt	0	(300)	(414)
Contributed Capital	0	24	69
Cash Payment on Debt Redemption/Exchange	0	0	(15)
Cash Dividend Paid on Common Stock	(895)	(705)	(619)
Other	(3)	(6)	(7)
Net Cash Provided By (Used In) Financing Activities	(898)	(487)	(986)
Net Increase (Decrease) In Cash and Cash Equivalents	3	(1)	(5)
Cash and Cash Equivalents at Beginning of Period	6	7	12
Cash and Cash Equivalents at End of Period	9	6	7
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	68	291	81
Interest Paid, Net of Amounts Capitalized	119	106	119
Accrued Property, Plant and Equipment Expenditures	$ 91	$ 90	$ 95