Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 1,679	$ 1,518	$ 1,243
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	1,214	1,227	1,178
Amortization of Nuclear Fuel	213	200	192
Provision for Deferred Income Taxes (Other than Leases) and ITC	685	515	270
Non-Cash Employee Benefit Plan Costs	161	47	243
Leveraged Lease Income, Adjusted for Rents Received and Deferred Taxes	26	(4)	31
Net (Gain) Loss on Lease Investments	0	(3)	2
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	(143)	(93)	79
Change in Accrued Storm Costs	12	(3)	(90)
Net Change in Regulatory Assets and Liabilities	(60)	190	2
Cost of Removal	(120)	(98)	(93)
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(38)	(166)	(104)
Net Change in Certain Current Assets and Liabilities:
Margin Deposits	122	(22)	(43)
Tax Receivable	(94)	30	19
Accrued Taxes	(91)	(156)	81
Other Current Assets and Liabilities	288	(31)	261
Employee Benefit Plan Funding and Related Payments	(109)	(95)	(231)
Other	174	104	118
Net Cash Provided By (Used In) Operating Activities	3,919	3,160	3,158
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(3,863)	(2,820)	(2,811)
Proceeds from Sale of Capital Leases and Investments	14	25	50
Proceeds from Sale of Available-for-Sale Securities	1,501	1,915	1,159
Investments in Available-for-Sale Securities	(1,552)	(1,934)	(1,170)
Other	(42)	(78)	(29)
Net Cash Provided By (Used In) Investing Activities	(3,942)	(2,892)	(2,801)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	364	(60)	(203)
Issuance of Long-Term Debt	1,350	1,250	2,000
Redemption of Long-Term Debt	(600)	(500)	(1,025)
Redemption of Securitization Debt	(259)	(237)	(226)
Cash Dividend Paid	(789)	(748)	(728)
Other	(51)	(64)	(61)
Net Cash Provided By (Used In) Financing Activities	15	(359)	(243)
Net Increase (Decrease) In Cash and Cash Equivalents	(8)	(91)	114
Cash and Cash Equivalents at Beginning of Period	402	493	379
Cash and Cash Equivalents at End of Period	394	402	493
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	447	538	241
Interest Paid, Net of Amounts Capitalized	381	382	385
Accrued Property, Plant and Equipment Expenditures	510	382	336
PSE&G [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	787	725	612
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	892	906	872
Provision for Deferred Income Taxes (Other than Leases) and ITC	386	310	198
Non-Cash Employee Benefit Plan Costs	95	27	156
Change in Accrued Storm Costs	12	(3)	(90)
Net Change in Regulatory Assets and Liabilities	(60)	190	2
Cost of Removal	(120)	(98)	(93)
Net Change in Certain Current Assets and Liabilities:
Accounts Receivable and Unbilled Revenues	165	63	(5)
Fuel, Materials and Supplies	(15)	(18)	(1)
Prepayments	11	(18)	5
Accounts Payable	45	(3)	19
Accounts Receivable/Payable-Affiliated Companies, net	0	(167)	100
Other Current Assets and Liabilities	(29)	6	40
Employee Benefit Plan Funding and Related Payments	(91)	(83)	(166)
Other	47	(4)	(4)
Net Cash Provided By (Used In) Operating Activities	2,125	1,833	1,645
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(2,692)	(2,164)	(2,175)
Proceeds from Sale of Available-for-Sale Securities	21	103	38
Investments in Available-for-Sale Securities	(22)	(101)	(20)
Solar Loan Investments	11	7	(15)
Other	11	0	0
Net Cash Provided By (Used In) Investing Activities	(2,671)	(2,155)	(2,172)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Short-Term Debt	153	(60)	(203)
Issuance of Long-Term Debt	850	1,250	1,500
Redemption of Long-Term Debt	(300)	(500)	(725)
Contributed Capital	0	175	100
Redemption of Securitization Debt	(259)	(237)	(226)
Other	(10)	(14)	(17)
Net Cash Provided By (Used In) Financing Activities	434	614	429
Net Increase (Decrease) In Cash and Cash Equivalents	(112)	292	(98)
Cash and Cash Equivalents at Beginning of Period	310	18	116
Cash and Cash Equivalents at End of Period	198	310	18
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(28)	283	84
Interest Paid, Net of Amounts Capitalized	261	259	275
Accrued Property, Plant and Equipment Expenditures	396	292	246
Power [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	856	760	644
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	291	292	273
Amortization of Nuclear Fuel	213	200	192
Provision for Deferred Income Taxes (Other than Leases) and ITC	261	221	122
Interest Accretion on Asset Retirement Obligation	26	30	23
Non-Cash Employee Benefit Plan Costs	48	13	66
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	(143)	(93)	79
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(38)	(166)	(104)
Net Change in Certain Current Assets and Liabilities:
Fuel, Materials and Supplies	62	19	(8)
Margin Deposits	122	(22)	(43)
Accounts Receivable	63	(15)	(4)
Accounts Payable	(46)	(59)	28
Accounts Receivable/Payable-Affiliated Companies, net	(84)	220	0
Other Current Assets and Liabilities	(36)	(6)	72
Employee Benefit Plan Funding and Related Payments	(11)	(7)	(46)
Other	122	38	53
Net Cash Provided By (Used In) Operating Activities	1,706	1,425	1,347
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,117)	(626)	(609)
Proceeds from Sale of Available-for-Sale Securities	1,422	1,557	1,084
Investments in Available-for-Sale Securities	(1,455)	(1,573)	(1,102)
Short-Term Loan-Affiliated Company, net	221	206	(216)
Other	(72)	(88)	(18)
Net Cash Provided By (Used In) Investing Activities	(1,001)	(524)	(861)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of Long-Term Debt	0	0	500
Redemption of Long-Term Debt	(300)	0	(300)
Contributed Capital	0	0	24
Cash Dividend Paid	(400)	(895)	(705)
Other	(2)	(3)	(6)
Net Cash Provided By (Used In) Financing Activities	(702)	(898)	(487)
Net Increase (Decrease) In Cash and Cash Equivalents	3	3	(1)
Cash and Cash Equivalents at Beginning of Period	9	6	7
Cash and Cash Equivalents at End of Period	12	9	6
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	393	68	291
Interest Paid, Net of Amounts Capitalized	116	119	106
Accrued Property, Plant and Equipment Expenditures	$ 114	$ 91	$ 90