Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 386	$ 320
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	306	290
Amortization of Nuclear Fuel	54	50
Provision for Deferred Income Taxes and ITC	(39)	(5)
Non-Cash Employee Benefit Plan Costs	11	61
Leveraged Lease Income, Adjusted for Rents Received and Deferred Taxes	(22)	(6)
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	224	165
Change in Accrued Storm Costs	(1)	(46)
Net Change in Regulatory Assets and Liabilities	177	80
Cost of Removal	(25)	(24)
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(23)	(24)
Employee Benefit Plan Funding and Related Payments	(32)	(192)
Other	20	1
Net Change in Certain Current Assets and Liabilities:
Net Change in Certain Current Assets and Liabilities	80	207
Net Cash Provided By (Used In) Operating Activities	1,116	877
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(609)	(724)
Proceeds from Sale of Available-for-Sale Securities	257	258
Investments in Available-for-Sale Securities	(269)	(271)
Other	(8)	4
Net Cash Provided By (Used In) Investing Activities	(629)	(733)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	(60)	(98)
Issuance of Long-Term Debt	0	400
Redemption of Long-Term Debt	0	(150)
Redemption of Securitization Debt	(54)	(51)
Cash Dividend Paid on Common Stock	(187)	(182)
Other	(24)	(22)
Net Cash Provided By (Used In) Financing Activities	(325)	(103)
Net Increase (Decrease) In Cash and Cash Equivalents	162	41
Cash and Cash Equivalents at Beginning of Period	493	379
Cash and Cash Equivalents at End of Period	655	420
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	15	3
Interest Paid, Net of Amounts Capitalized	79	82
Accrued Property, Plant and Equipment Expenditures	247	265
Power [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	164	141
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	72	66
Amortization of Nuclear Fuel	54	50
Provision for Deferred Income Taxes and ITC	(71)	(33)
Non-Cash Employee Benefit Plan Costs	3	17
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	224	165
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(23)	(24)
Employee Benefit Plan Funding and Related Payments	(2)	(45)
Other	24	2
Net Change in Certain Current Assets and Liabilities:
Fuel, Materials and Supplies	289	259
Margin Deposit	(261)	(117)
Accounts Receivable	(19)	2
Accounts Payable	(70)	(68)
Accounts Receivable/Payable-Affiliated Companies, net	279	121
Accrued Interest Payable, Net	15	15
Other Current Assets and Liabilities	(4)	24
Net Cash Provided By (Used In) Operating Activities	674	575
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(126)	(151)
Proceeds from Sale of Available-for-Sale Securities	247	244
Investments in Available-for-Sale Securities	(259)	(256)
Short-Term Loan-Affiliated Company, net	(152)	(174)
Other	(5)	8
Net Cash Provided By (Used In) Investing Activities	(295)	(329)
CASH FLOWS FROM FINANCING ACTIVITIES
Contributed Capital	0	8
Cash Dividend Paid on Common Stock	(375)	(253)
Other	0	(2)
Net Cash Provided By (Used In) Financing Activities	(375)	(247)
Net Increase (Decrease) In Cash and Cash Equivalents	4	(1)
Cash and Cash Equivalents at Beginning of Period	6	7
Cash and Cash Equivalents at End of Period	10	6
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(93)	2
Interest Paid, Net of Amounts Capitalized	16	18
Accrued Property, Plant and Equipment Expenditures	62	41
PSE And G [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	214	179
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	227	215
Provision for Deferred Income Taxes and ITC	31	29
Non-Cash Employee Benefit Plan Costs	6	39
Change in Accrued Storm Costs	(1)	(46)
Net Change in Regulatory Assets and Liabilities	177	80
Cost of Removal	(25)	(24)
Employee Benefit Plan Funding and Related Payments	(29)	(120)
Other	(10)	(12)
Net Change in Certain Current Assets and Liabilities:
Accounts Receivable and Unbilled Revenues	(264)	(200)
Fuel, Materials and Supplies	(11)	(7)
Prepayments	18	20
Accounts Payable	14	8
Accounts Receivable/Payable-Affiliated Companies, net	120	64
Other Current Assets and Liabilities	112	104
Net Cash Provided By (Used In) Operating Activities	579	329
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(481)	(572)
Proceeds from Sale of Available-for-Sale Securities	5	6
Investments in Available-for-Sale Securities	(3)	(6)
Solar Loan Investments	(2)	(7)
Restricted Funds	0	1
Net Cash Provided By (Used In) Investing Activities	(481)	(578)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Short-Term Debt	(60)	(98)
Issuance of Long-Term Debt	0	400
Redemption of Long-Term Debt	0	(150)
Redemption of Securitization Debt	(54)	(51)
Contributed Capital	175	100
Other	0	(7)
Net Cash Provided By (Used In) Financing Activities	61	194
Net Increase (Decrease) In Cash and Cash Equivalents	159	(55)
Cash and Cash Equivalents at Beginning of Period	18	116
Cash and Cash Equivalents at End of Period	177	61
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(37)	0
Interest Paid, Net of Amounts Capitalized	62	63
Accrued Property, Plant and Equipment Expenditures	$ 185	$ 224