Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 931	$ 598
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	647	601
Amortization of Nuclear Fuel	106	98
Provision for Deferred Income Taxes and ITC	170	70
Non-Cash Employee Benefit Plan Costs	81	24
Leveraged Lease Income, Adjusted for Rents Received and Deferred Taxes	(22)	(44)
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	(9)	297
Change in Accrued Storm Costs	15	(3)
Net Change in Other Regulatory Assets and Liabilities	(53)	192
Cost of Removal	(58)	(50)
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(21)	(59)
Net Change in Certain Current Assets and Liabilities:
Tax Receivable	(188)	(9)
Accrued Taxes	71	54
Margin Deposit	69	(234)
Other Current Assets and Liabilities	98	(116)
Employee Benefit Plan Funding and Related Payments	(67)	(50)
Other	88	61
Net Cash Provided By (Used In) Operating Activities	2,234	1,448
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,743)	(1,229)
Proceeds from Sales of Capital Leases and Investments	5	11
Proceeds from Sale of Available-for-Sale Securities	885	584
Investments in Available-for-Sale Securities	(918)	(599)
Other	(2)	(49)
Net Cash Provided By (Used In) Investing Activities	(1,773)	(1,282)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	0	(60)
Issuance of Long-Term Debt	600	500
Redemption of Long-Term Debt	(300)	0
Redemption of Securitization Debt	(125)	(111)
Cash Dividends Paid on Common Stock	(394)	(374)
Other	(47)	(44)
Net Cash Provided By (Used In) Financing Activities	(266)	(89)
Net Increase (Decrease) In Cash and Cash Equivalents	195	77
Cash and Cash Equivalents at Beginning of Period	402	493
Cash and Cash Equivalents at End of Period	597	570
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	184	296
Interest Paid, Net of Amounts Capitalized	195	192
Accrued Property, Plant and Equipment Expenditures	324	240
PSE And G [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	409	365
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	481	444
Provision for Deferred Income Taxes and ITC	79	73
Non-Cash Employee Benefit Plan Costs	48	13
Change in Accrued Storm Costs	15	(3)
Net Change in Other Regulatory Assets and Liabilities	(53)	192
Cost of Removal	(58)	(50)
Net Change in Certain Current Assets and Liabilities:
Accounts Receivable and Unbilled Revenues	53	44
Fuel, Materials and Supplies	(10)	(11)
Prepayments	(162)	(162)
Accounts Payable	48	16
Accounts Receivable/Payable-Affiliated Companies, net	154	(98)
Other Current Assets and Liabilities	(27)	(31)
Employee Benefit Plan Funding and Related Payments	(55)	(44)
Other	(13)	(11)
Net Cash Provided By (Used In) Operating Activities	909	737
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,230)	(996)
Proceeds from Sale of Available-for-Sale Securities	12	8
Investments in Available-for-Sale Securities	(14)	(6)
Other	12	(1)
Net Cash Provided By (Used In) Investing Activities	(1,220)	(995)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Short-Term Debt	0	(60)
Issuance of Long-Term Debt	600	500
Redemption of Long-Term Debt	(300)	0
Redemption of Securitization Debt	(125)	(111)
Contributed Capital	0	175
Other	(8)	(7)
Net Cash Provided By (Used In) Financing Activities	167	497
Net Increase (Decrease) In Cash and Cash Equivalents	(144)	239
Cash and Cash Equivalents at Beginning of Period	310	18
Cash and Cash Equivalents at End of Period	166	257
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(74)	102
Interest Paid, Net of Amounts Capitalized	131	127
Accrued Property, Plant and Equipment Expenditures	282	192
Power [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	501	218
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	151	144
Amortization of Nuclear Fuel	106	98
Provision for Deferred Income Taxes and ITC	64	(22)
Non-Cash Employee Benefit Plan Costs	24	7
Net Realized and Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	(9)	297
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(21)	(59)
Net Change in Certain Current Assets and Liabilities:
Fuel, Materials and Supplies	209	132
Margin Deposit	69	(234)
Accounts Receivable	76	16
Accounts Payable	(62)	(72)
Accounts Receivable/Payable-Affiliated Companies, net	123	229
Other Current Assets and Liabilities	(21)	13
Employee Benefit Plan Funding and Related Payments	(7)	(3)
Other	89	50
Net Cash Provided By (Used In) Operating Activities	1,292	814
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(487)	(226)
Proceeds from Sale of Available-for-Sale Securities	837	563
Investments in Available-for-Sale Securities	(854)	(577)
Short-Term Loan-Affiliated Company, net	(366)	50
Other	(17)	(46)
Net Cash Provided By (Used In) Investing Activities	(887)	(236)
CASH FLOWS FROM FINANCING ACTIVITIES
Cash Dividends Paid on Common Stock	(400)	(575)
Other	(2)	(3)
Net Cash Provided By (Used In) Financing Activities	(402)	(578)
Net Increase (Decrease) In Cash and Cash Equivalents	3	0
Cash and Cash Equivalents at Beginning of Period	9	6
Cash and Cash Equivalents at End of Period	12	6
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	218	47
Interest Paid, Net of Amounts Capitalized	62	62
Accrued Property, Plant and Equipment Expenditures	$ 42	$ 48