Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and Cash Equivalents	$ 765	$ 834
Accounts Receivable	896	967
Tax Receivable	16	16
Unbilled Revenues	255	289
Fuel	562	685
Materials and Supplies, net	403	367
Prepayments	397	308
Derivative Contracts	165	156
Deferred Income Taxes	90	0
Regulatory Assets	359	167
Other	32	122
Total Current Assets	3,940	3,911
PROPERTY, PLANT AND EQUIPMENT	26,045	25,080
Less: Accumulated Depreciation and Amortization	(7,455)	(7,231)
Net Property, Plant and Equipment	18,590	17,849
NONCURRENT ASSETS
Regulatory Assets	3,417	3,805
Regulatory Assets of Variable Interest Entities (VIEs)	827	925
Long-Term Investments	1,294	1,303
Nuclear Decommissioning Trust (NDT) Fund	1,417	1,349
Other Special Funds	187	172
Goodwill	16	16
Other Intangibles	52	131
Derivative Contracts	133	106
Restricted Cash of VIEs	19	22
Other	250	232
Total Noncurrent Assets	7,612	8,061
Total Assets	30,142	29,821
CURRENT LIABILITIES
Long-Term Debt Due Within One Year	751	417
Securitization Debt of VIEs Due Within One Year	221	216
Commercial Paper and Loans	16	0
Accounts Payable	898	1,184
Derivative Contracts	88	131
Accrued Interest	98	97
Accrued Taxes	88	30
Deferred Income Taxes	0	170
Clean Energy Program	138	214
Obligation to Return Cash Collateral	123	107
Regulatory Liabilities	72	100
Other	323	291
Total Current Liabilities	2,816	2,957
NONCURRENT LIABILITIES
Deferred Income Taxes and Investment Tax Credits (ITC)	5,939	5,458
Regulatory Liabilities	206	228
Regulatory Liabilities of VIEs	10	9
Asset Retirement Obligations	505	489
Other Postretirement Benefit (OPEB) Costs	1,115	1,127
Accrued Pension Costs	624	734
Clean Energy Program	0	39
Environmental Costs	588	643
Derivative Contracts	112	26
Long-Term Accrued Taxes	152	292
Other	93	86
Total Noncurrent Liabilities	9,344	9,131
COMMITMENTS AND CONTINGENT LIABILITIES (See Note 8)
LONG-TERM DEBT
Long-Term Debt	6,676	6,694
Securitization Debt of VIEs	616	723
Project Level, Non-Recourse Debt	44	44
Total Long-Term Debt	7,336	7,461
STOCKHOLDER'S EQUITY
Common Stock, no par, authorized 1,000,000,000 shares; issued, 2012 and 2011-533,556,660 shares	4,829	4,823
Treasury Stock, at cost, 2012-27,646,288 shares; 2011-27,611,374 shares	(605)	(601)
Retained Earnings	6,730	6,385
Accumulated Other Comprehensive Income	(310)	(337)
Total Common Stockholders' Equity	10,644	10,270
Noncontrolling Interest	2	2
Total Stockholder's Equity	10,646	10,272
Total Capitalization	17,982	17,733
TOTAL LIABILITIES AND CAPITALIZATION	30,142	29,821
Power [Member]
CURRENT ASSETS
Cash and Cash Equivalents	2	12
Accounts Receivable	258	267
Accounts Receivable-Affiliated Companies, net	265	381
Short-Term Loan to Affiliate	737	907
Fuel	562	685
Materials and Supplies, net	301	272
Prepayments	21	24
Derivative Contracts	146	139
Other	2	0
Total Current Assets	2,294	2,687
PROPERTY, PLANT AND EQUIPMENT	9,379	9,191
Less: Accumulated Depreciation and Amortization	(2,586)	(2,460)
Net Property, Plant and Equipment	6,793	6,731
NONCURRENT ASSETS
Nuclear Decommissioning Trust (NDT) Fund	1,417	1,349
Other Special Funds	35	33
Goodwill	16	16
Other Intangibles	52	131
Derivative Contracts	40	55
Other	102	85
Total Noncurrent Assets	1,662	1,669
Total Assets	10,749	11,087
CURRENT LIABILITIES
Long-Term Debt Due Within One Year	300	66
Accounts Payable	343	541
Derivative Contracts	88	124
Accrued Interest	32	32
Deferred Income Taxes	41	53
Other	86	86
Total Current Liabilities	890	902
NONCURRENT LIABILITIES
Deferred Income Taxes and Investment Tax Credits (ITC)	1,442	1,266
Asset Retirement Obligations	270	259
Other Postretirement Benefit (OPEB) Costs	186	180
Accrued Pension Costs	202	236
Derivative Contracts	8	24
Long-Term Accrued Taxes	53	8
Other	85	83
Total Noncurrent Liabilities	2,246	2,056
COMMITMENTS AND CONTINGENT LIABILITIES (See Note 8)
LONG-TERM DEBT
Total Long-Term Debt	2,386	2,685
STOCKHOLDER'S EQUITY
Contributed Capital	2,028	2,028
Basis Adjustment	(986)	(986)
Retained Earnings	4,435	4,678
Accumulated Other Comprehensive Income	(250)	(276)
Total Stockholder's Equity	5,227	5,444
TOTAL LIABILITIES AND CAPITALIZATION	10,749	11,087
PSE And G [Member]
CURRENT ASSETS
Cash and Cash Equivalents	22	143
Accounts Receivable	630	691
Tax Receivable	16	16
Unbilled Revenues	255	289
Materials and Supplies, net	102	94
Prepayments	243	117
Regulatory Assets	359	167
Other	20	21
Total Current Assets	1,647	1,538
PROPERTY, PLANT AND EQUIPMENT	16,050	15,306
Less: Accumulated Depreciation and Amortization	(4,618)	(4,539)
Net Property, Plant and Equipment	11,432	10,767
NONCURRENT ASSETS
Regulatory Assets	3,417	3,805
Regulatory Assets of Variable Interest Entities (VIEs)	827	925
Long-Term Investments	313	280
Other Special Funds	61	57
Derivative Contracts	45	4
Restricted Cash of VIEs	19	22
Other	102	89
Total Noncurrent Assets	4,784	5,182
Total Assets	17,863	17,487
CURRENT LIABILITIES
Long-Term Debt Due Within One Year	450	300
Securitization Debt of VIEs Due Within One Year	221	216
Commercial Paper and Loans	16	0
Accounts Payable	428	498
Derivative Contracts	0	7
Accounts Payable-Affiliated Companies, net	146	280
Accrued Interest	66	65
Deferred Income Taxes	37	32
Clean Energy Program	138	214
Obligation to Return Cash Collateral	123	107
Regulatory Liabilities	72	100
Other	210	186
Total Current Liabilities	1,907	2,005
NONCURRENT LIABILITIES
Deferred Income Taxes and Investment Tax Credits (ITC)	3,837	3,675
Regulatory Liabilities	206	228
Regulatory Liabilities of VIEs	10	9
Asset Retirement Obligations	231	226
Other Postretirement Benefit (OPEB) Costs	881	900
Accrued Pension Costs	283	355
Clean Energy Program	0	39
Environmental Costs	537	592
Derivative Contracts	104	0
Long-Term Accrued Taxes	18	83
Other	43	35
Total Noncurrent Liabilities	6,150	6,142
COMMITMENTS AND CONTINGENT LIABILITIES (See Note 8)
LONG-TERM DEBT
Long-Term Debt	4,246	3,970
Securitization Debt of VIEs	616	723
Total Long-Term Debt	4,862	4,693
STOCKHOLDER'S EQUITY
Common Stock, no par, authorized 1,000,000,000 shares; issued, 2012 and 2011-533,556,660 shares	892	892
Contributed Capital	420	420
Basis Adjustment	986	986
Retained Earnings	2,645	2,347
Accumulated Other Comprehensive Income	1	2
Total Stockholder's Equity	4,944	4,647
Total Capitalization	9,806	9,340
TOTAL LIABILITIES AND CAPITALIZATION	$ 17,863	$ 17,487