Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 1,042	$ 1,043
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	919	886
Amortization of Nuclear Fuel	151	145
Provision for Deferred Income Taxes and ITC	103	242
Non-Cash Employee Benefit Plan Costs	36	182
Leveraged Lease Income, Adjusted for Rents Received and Deferred Taxes	(30)	(7)
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	237	3
Change in Accrued Storm Costs	(3)	(87)
Net Change in Other Regulatory Assets and Liabilities	276	134
Cost of Removal	(68)	(66)
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(99)	(76)
Employee Benefit Plan Funding and Related Payments	(76)	(210)
Other	102	71
Net Change in Certain Current Assets and Liabilities:
Margin Deposit	(173)	17
Net Change in Certain Current Assets and Liabilities	119	158
Net Cash Provided By (Used In) Operating Activities	2,536	2,435
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,922)	(2,102)
Proceeds from Sales Investments	11	42
Proceeds from Sale of Available-for-Sale Securities	1,224	914
Investments in Available-for-Sale Securities	(1,241)	(922)
Other	(60)	(20)
Net Cash Provided By (Used In) Investing Activities	(1,988)	(2,088)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	(60)	(263)
Issuance of Long-Term Debt	1,000	1,500
Redemption of Long-Term Debt	(500)	(750)
Redemption of Securitization Debt	(170)	(162)
Cash Dividend Paid on Common Stock	(561)	(546)
Other	(47)	(57)
Net Cash Provided By (Used In) Financing Activities	(338)	(278)
Net Increase (Decrease) In Cash and Cash Equivalents	210	69
Cash and Cash Equivalents at Beginning of Period	493	379
Cash and Cash Equivalents at End of Period	703	448
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	284	222
Interest Paid, Net of Amounts Capitalized	269	274
Accrued Property, Plant and Equipment Expenditures	286	258
Power [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	440	577
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	215	202
Amortization of Nuclear Fuel	151	145
Provision for Deferred Income Taxes and ITC	5	96
Non-Cash Employee Benefit Plan Costs	10	50
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	237	3
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(99)	(76)
Employee Benefit Plan Funding and Related Payments	(5)	(45)
Other	71	35
Net Change in Certain Current Assets and Liabilities:
Fuel, Materials and Supplies	17	(38)
Margin Deposit	(173)	17
Accounts Receivable	49	68
Accounts Payable	(135)	(70)
Accounts Receivable/Payable-Affiliated Companies, net	299	329
Other Current Assets and Liabilities	28	21
Net Cash Provided By (Used In) Operating Activities	1,110	1,314
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(414)	(458)
Proceeds from Sale of Available-for-Sale Securities	882	849
Investments in Available-for-Sale Securities	(898)	(864)
Short-Term Loan-Affiliated Company, net	167	157
Other	(63)	(13)
Net Cash Provided By (Used In) Investing Activities	(326)	(329)
CASH FLOWS FROM FINANCING ACTIVITIES
Redemption of Long-Term Debt	0	(300)
Contributed Capital	0	24
Cash Dividend Paid on Common Stock	(775)	(705)
Other	(3)	(2)
Net Cash Provided By (Used In) Financing Activities	(778)	(983)
Net Increase (Decrease) In Cash and Cash Equivalents	6	2
Cash and Cash Equivalents at Beginning of Period	6	7
Cash and Cash Equivalents at End of Period	12	9
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	87	107
Interest Paid, Net of Amounts Capitalized	78	72
Accrued Property, Plant and Equipment Expenditures	66	64
PSE And G [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	565	468
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	682	658
Provision for Deferred Income Taxes and ITC	93	153
Non-Cash Employee Benefit Plan Costs	21	117
Change in Accrued Storm Costs	(3)	(87)
Net Change in Other Regulatory Assets and Liabilities	276	134
Cost of Removal	(68)	(66)
Employee Benefit Plan Funding and Related Payments	(67)	(147)
Other	2	23
Net Change in Certain Current Assets and Liabilities:
Accounts Receivable and Unbilled Revenues	71	48
Fuel, Materials and Supplies	(15)	(4)
Prepayments	(92)	(109)
Accounts Payable	(3)	3
Accounts Receivable/Payable-Affiliated Companies, net	(113)	(171)
Other Current Assets and Liabilities	(6)	29
Net Cash Provided By (Used In) Operating Activities	1,343	1,049
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,493)	(1,628)
Proceeds from Sale of Available-for-Sale Securities	98	35
Investments in Available-for-Sale Securities	(96)	(16)
Solar Loan Investments	2	(11)
Restricted Funds	1	0
Net Cash Provided By (Used In) Investing Activities	(1,490)	(1,620)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Short-Term Debt	(60)	(263)
Issuance of Long-Term Debt	1,000	1,500
Redemption of Long-Term Debt	(500)	(450)
Redemption of Securitization Debt	(170)	(162)
Contributed Capital	175	100
Other	(11)	(17)
Net Cash Provided By (Used In) Financing Activities	434	708
Net Increase (Decrease) In Cash and Cash Equivalents	287	137
Cash and Cash Equivalents at Beginning of Period	18	116
Cash and Cash Equivalents at End of Period	305	253
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	174	174
Interest Paid, Net of Amounts Capitalized	188	199
Accrued Property, Plant and Equipment Expenditures	$ 238	$ 200