Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 471	$ 586
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	224	330
Amortization of Nuclear Fuel	58	55
Provision for Deferred Income Taxes and ITC	182	63
Non-Cash Employee Benefit Plan Costs	32	41
Leveraged Lease Income, Adjusted for Rents Received and Deferred Taxes	(15)	4
Net Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	(21)	37
Change in Accrued Storm Costs	(1)	7
Net Change in Other Regulatory Assets and Liabilities	(104)	(29)
Cost of Removal	(35)	(26)
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	3	(12)
Net Change in Certain Current Assets and Liabilities:
Tax Receivable	301	180
Accrued Taxes	144	322
Margin Deposit	(4)	14
Other Current Assets and Liabilities	27	109
Employee Benefit Plan Funding and Related Payments	(56)	(47)
Other	8	45
Net Cash Provided By (Used In) Operating Activities	1,214	1,679
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,065)	(747)
Proceeds from Sale of Available-for-Sale Securities	202	609
Investments in Available-for-Sale Securities	(207)	(638)
Other	(11)	(3)
Net Cash Provided By (Used In) Investing Activities	(1,081)	(779)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	(352)	0
Issuance of Long-Term Debt	850	0
Redemption of Long-Term Debt	(171)	0
Redemption of Securitization Debt	0	(58)
Cash Dividends Paid on Common Stock	(207)	(197)
Other	(55)	(39)
Net Cash Provided By (Used In) Financing Activities	65	(294)
Net Increase (Decrease) In Cash and Cash Equivalents	198	606
Cash and Cash Equivalents at Beginning of Period	394	402
Cash and Cash Equivalents at End of Period	592	1,008
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(299)	(175)
Interest Paid, Net of Amounts Capitalized	66	74
Accrued Property, Plant and Equipment Expenditures	434	276
PSE And G [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	262	242
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	139	247
Provision for Deferred Income Taxes and ITC	147	29
Non-Cash Employee Benefit Plan Costs	18	24
Change in Accrued Storm Costs	(1)	7
Net Change in Other Regulatory Assets and Liabilities	(104)	(29)
Cost of Removal	(35)	(26)
Net Change in Certain Current Assets and Liabilities:
Accounts Receivable and Unbilled Revenues	(26)	(142)
Fuel, Materials and Supplies	(6)	(9)
Prepayments	26	37
Accounts Payable	(24)	16
Accounts Receivable/Payable-Affiliated Companies, net	197	253
Other Current Assets and Liabilities	35	77
Employee Benefit Plan Funding and Related Payments	(44)	(37)
Other	(16)	(12)
Net Cash Provided By (Used In) Operating Activities	568	677
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(724)	(599)
Proceeds from Sale of Available-for-Sale Securities	5	4
Investments in Available-for-Sale Securities	(5)	(5)
Solar Loan Investments	0	(2)
Other	0	9
Net Cash Provided By (Used In) Investing Activities	(724)	(593)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Short-Term Debt	(153)	0
Issuance of Long-Term Debt	850	0
Redemption of Long-Term Debt	(171)	0
Redemption of Securitization Debt	0	(58)
Other	(10)	0
Net Cash Provided By (Used In) Financing Activities	516	(58)
Net Increase (Decrease) In Cash and Cash Equivalents	360	26
Cash and Cash Equivalents at Beginning of Period	198	310
Cash and Cash Equivalents at End of Period	558	336
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(200)	(180)
Interest Paid, Net of Amounts Capitalized	53	58
Accrued Property, Plant and Equipment Expenditures	318	226
Power [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	192	335
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	79	76
Amortization of Nuclear Fuel	58	55
Provision for Deferred Income Taxes and ITC	34	37
Non-Cash Employee Benefit Plan Costs	10	13
Net Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	(21)	37
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	3	(12)
Net Change in Certain Current Assets and Liabilities:
Fuel, Materials and Supplies	143	284
Margin Deposit	(4)	14
Accounts Receivable	(41)	(16)
Accounts Payable	(34)	(55)
Accounts Receivable/Payable-Affiliated Companies, net	184	86
Increase (Decrease) in Interest Payable, Net	14	16
Other Current Assets and Liabilities	1	(56)
Employee Benefit Plan Funding and Related Payments	(8)	(6)
Other	53	42
Net Cash Provided By (Used In) Operating Activities	663	850
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(333)	(139)
Proceeds from Sale of Available-for-Sale Securities	183	594
Investments in Available-for-Sale Securities	(188)	(608)
Short-Term Loan-Affiliated Company, net	(309)	(471)
Other	(12)	(11)
Net Cash Provided By (Used In) Investing Activities	(659)	(635)
CASH FLOWS FROM FINANCING ACTIVITIES
Cash Dividends Paid on Common Stock	0	(200)
Net Cash Provided By (Used In) Financing Activities	0	(200)
Net Increase (Decrease) In Cash and Cash Equivalents	4	15
Cash and Cash Equivalents at Beginning of Period	12	9
Cash and Cash Equivalents at End of Period	16	24
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(100)	5
Interest Paid, Net of Amounts Capitalized	11	16
Accrued Property, Plant and Equipment Expenditures	$ 116	$ 50