Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 658	$ 931
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	448	647
Amortization of Nuclear Fuel	105	106
Provision for Deferred Income Taxes and ITC	334	170
Non-Cash Employee Benefit Plan Costs	63	81
Leveraged Lease Income, Adjusted for Rents Received and Deferred Taxes	(30)	(22)
Net Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	153	(9)
Change in Accrued Storm Costs	(1)	15
Net Change in Other Regulatory Assets and Liabilities	(124)	(53)
Cost of Removal	(74)	(58)
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(2)	(21)
Net Change in Certain Current Assets and Liabilities:
Tax Receivable	301	188
Accrued Taxes	94	71
Margin Deposit	(46)	69
Other Current Assets and Liabilities	(120)	98
Employee Benefit Plan Funding and Related Payments	(78)	(67)
Other	41	88
Net Cash Provided By (Used In) Operating Activities	1,722	2,234
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,971)	(1,743)
Proceeds from Sale of Available-for-Sale Securities	392	885
Investments in Available-for-Sale Securities	(407)	(918)
Other	(18)	3
Net Cash Provided By (Used In) Investing Activities	(2,004)	(1,773)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Commercial Paper and Loans	(364)	0
Issuance of Long-Term Debt	1,550	600
Redemption of Long-Term Debt	(171)	(300)
Redemption of Securitization Debt	0	(125)
Cash Dividends Paid on Common Stock	(415)	(394)
Other	(64)	(47)
Net Cash Provided By (Used In) Financing Activities	536	(266)
Net Increase (Decrease) In Cash and Cash Equivalents	254	195
Cash and Cash Equivalents at Beginning of Period	394	402
Cash and Cash Equivalents at End of Period	648	597
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(276)	184
Interest Paid, Net of Amounts Capitalized	176	195
Accrued Property, Plant and Equipment Expenditures	513	324
PSE And G [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	441	409
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	275	481
Provision for Deferred Income Taxes and ITC	290	79
Non-Cash Employee Benefit Plan Costs	36	48
Change in Accrued Storm Costs	(1)	15
Net Change in Other Regulatory Assets and Liabilities	(124)	(53)
Cost of Removal	(74)	(58)
Net Change in Certain Current Assets and Liabilities:
Accounts Receivable and Unbilled Revenues	50	53
Fuel, Materials and Supplies	(14)	(10)
Prepayments	(165)	(162)
Accounts Payable	(29)	48
Accounts Receivable/Payable-Affiliated Companies, net	181	154
Other Current Assets and Liabilities	17	(27)
Employee Benefit Plan Funding and Related Payments	(62)	(55)
Other	(13)	(13)
Net Cash Provided By (Used In) Operating Activities	808	909
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(1,355)	(1,230)
Proceeds from Sale of Available-for-Sale Securities	12	12
Investments in Available-for-Sale Securities	(13)	(14)
Other	2	12
Net Cash Provided By (Used In) Investing Activities	(1,354)	(1,220)
CASH FLOWS FROM FINANCING ACTIVITIES
Net Change in Short-Term Debt	(153)	0
Issuance of Long-Term Debt	850	600
Redemption of Long-Term Debt	(171)	(300)
Redemption of Securitization Debt	0	(125)
Other	(10)	(8)
Net Cash Provided By (Used In) Financing Activities	516	167
Net Increase (Decrease) In Cash and Cash Equivalents	(30)	(144)
Cash and Cash Equivalents at Beginning of Period	198	310
Cash and Cash Equivalents at End of Period	168	166
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(255)	(74)
Interest Paid, Net of Amounts Capitalized	134	131
Accrued Property, Plant and Equipment Expenditures	381	282
Power [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	181	501
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	159	151
Amortization of Nuclear Fuel	105	106
Provision for Deferred Income Taxes and ITC	37	64
Non-Cash Employee Benefit Plan Costs	19	24
Net Unrealized (Gains) Losses on Energy Contracts and Other Derivatives	153	(9)
Net Realized (Gains) Losses and (Income) Expense from NDT Fund	(2)	(21)
Net Change in Certain Current Assets and Liabilities:
Fuel, Materials and Supplies	86	209
Margin Deposit	(46)	69
Accounts Receivable	(12)	76
Accounts Payable	(10)	(62)
Accounts Receivable/Payable-Affiliated Companies, net	179	123
Other Current Assets and Liabilities	11	(21)
Employee Benefit Plan Funding and Related Payments	(10)	(7)
Other	67	89
Net Cash Provided By (Used In) Operating Activities	917	1,292
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(598)	(487)
Proceeds from Sale of Available-for-Sale Securities	346	837
Investments in Available-for-Sale Securities	(359)	(854)
Short-Term Loan-Affiliated Company, net	(972)	(366)
Other	(24)	(17)
Net Cash Provided By (Used In) Investing Activities	(1,607)	(887)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of Long-Term Debt	700	0
Cash Dividends Paid on Common Stock	0	(400)
Other	(6)	(2)
Net Cash Provided By (Used In) Financing Activities	694	(402)
Net Increase (Decrease) In Cash and Cash Equivalents	4	3
Cash and Cash Equivalents at Beginning of Period	12	9
Cash and Cash Equivalents at End of Period	16	12
Supplemental Disclosure of Cash Flow Information:
Income Taxes Paid (Received)	(53)	218
Interest Paid, Net of Amounts Capitalized	38	62
Accrued Property, Plant and Equipment Expenditures	$ 132	$ 42