Unaudited Condensed Consolidated Balance Sheets (USD $) In Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Utility Plant
Utility plant in service	$ 30,675	$ 29,708
Accumulated depreciation	(11,778)	(11,567)
Utility plant in service, net	18,897	18,141
Other utility plant, net	222	220
Construction work in progress	1,982	2,205
Nuclear fuel, net of amortization	648	674
Total utility plant, net	21,749	21,240
Current assets
Cash and cash equivalents	52	611
Receivables, net	1,041	1,033
Notes receivable from affiliated companies	0	0
Inventory	1,354	1,226
Regulatory assets	198	176
Derivative collateral posted	122	164
Prepayments and other current assets	249	266
Total current assets	3,016	3,476
Deferred debits and other assets
Regulatory assets	2,268	2,374
Nuclear decommissioning trust funds	1,686	1,571
Miscellaneous other property and investments	418	413
Goodwill	3,655	3,655
Other assets and deferred debits	328	325
Total deferred debits and other assets	8,355	8,338
Total assets	33,120	33,054
Common stock equity
Common stock without par value	7,390	7,343
Accumulated other comprehensive loss	(142)	(125)
Retained earnings	2,798	2,805
Total common stock equity	10,046	10,023
Noncontrolling interests	3	4
Total equity	10,049	10,027
Preferred stock of subsidiaries	93	93
Long-term debt, affiliate	273	273
Long-term debt, net	11,418	11,864
Total capitalization	21,833	22,257
Current liabilities
Current portion of long-term debt	750	505
Short-term debt	314	0
Notes payable to affiliated companies	0	0
Accounts payable	920	994
Interest accrued	207	216
Dividends declared	185	184
Customer deposits	337	324
Derivative liabilities	214	259
Accrued compensation and other benefits	139	175
Other current liabilities	391	298
Total current liabilities	3,457	2,955
Deferred credits and other liabilities
Noncurrent income tax liabilities	1,902	1,696
Accumulated deferred investment tax credits	106	110
Regulatory liabilities	2,585	2,635
Asset retirement obligations	1,235	1,200
Accrued pension and other benefits	1,305	1,514
Derivative liabilities	237	278
Other liabilities and deferred credits	460	409
Total deferred credits and other liabilities	7,830	7,842
Commitments and contingencies (Notes 12 and 13)
Total capitalization and liabilities	33,120	33,054
PEC
Utility Plant
Utility plant in service	17,198	16,388
Accumulated depreciation	(7,434)	(7,324)
Utility plant in service, net	9,764	9,064
Other utility plant, net	186	184
Construction work in progress	975	1,233
Nuclear fuel, net of amortization	442	480
Total utility plant, net	11,367	10,961
Current assets
Cash and cash equivalents	18	230
Receivables, net	462	519
Receivables from affiliated companies	27	44
Inventory	711	590
Deferred fuel cost	61	71
Income taxes receivable	22	90
Prepayments and other current assets	106	112
Total current assets	1,407	1,656
Deferred debits and other assets
Regulatory assets	1,002	987
Nuclear decommissioning trust funds	1,097	1,017
Miscellaneous other property and investments	186	183
Other assets and deferred debits	95	95
Total deferred debits and other assets	2,380	2,282
Total assets	15,154	14,899
Common stock equity
Common stock without par value	2,141	2,130
Accumulated other comprehensive loss	(36)	(33)
Retained earnings	3,045	3,083
Total common stock equity	5,150	5,180
Preferred stock	59	59
Long-term debt, net	3,693	3,693
Total capitalization	8,902	8,932
Current liabilities
Short-term debt	198	0
Accounts payable	476	534
Payables to affiliated companies	81	109
Interest accrued	75	74
Customer deposits	114	106
Derivative liabilities	45	53
Accrued compensation and other benefits	80	99
Other current liabilities	145	81
Total current liabilities	1,214	1,056
Deferred credits and other liabilities
Noncurrent income tax liabilities	1,754	1,608
Accumulated deferred investment tax credits	101	104
Regulatory liabilities	1,544	1,461
Asset retirement obligations	875	849
Accrued pension and other benefits	576	723
Other liabilities and deferred credits	188	166
Total deferred credits and other liabilities	5,038	4,911
Commitments and contingencies (Notes 12 and 13)
Total capitalization and liabilities	15,154	14,899
PEF
Utility Plant
Utility plant in service	13,312	13,155
Accumulated depreciation	(4,267)	(4,168)
Utility plant in service, net	9,045	8,987
Held for future use	36	36
Construction work in progress	1,007	972
Nuclear fuel, net of amortization	206	194
Total utility plant, net	10,294	10,189
Current assets
Cash and cash equivalents	18	249
Receivables, net	556	496
Receivables from affiliated companies	18	11
Inventory	644	636
Regulatory assets	137	105
Derivative collateral posted	104	140
Deferred tax assets	70	77
Prepayments and other current assets	30	29
Total current assets	1,577	1,743
Deferred debits and other assets
Regulatory assets	1,266	1,387
Nuclear decommissioning trust funds	589	554
Miscellaneous other property and investments	47	43
Other assets and deferred debits	134	140
Total deferred debits and other assets	2,036	2,124
Total assets	13,907	14,056
Common stock equity
Common stock without par value	1,754	1,750
Accumulated other comprehensive loss	(9)	(4)
Retained earnings	2,958	3,144
Total common stock equity	4,703	4,890
Preferred stock	34	34
Long-term debt, net	4,182	4,182
Total capitalization	8,919	9,106
Current liabilities
Current portion of long-term debt	300	300
Short-term debt	67	0
Notes payable to affiliated companies	6	9
Accounts payable	424	439
Payables to affiliated companies	44	60
Interest accrued	79	83
Customer deposits	223	218
Derivative liabilities	160	188
Accrued compensation and other benefits	35	47
Other current liabilities	251	121
Total current liabilities	1,589	1,465
Deferred credits and other liabilities
Noncurrent income tax liabilities	1,190	1,065
Regulatory liabilities	953	1,084
Asset retirement obligations	360	351
Accrued pension and other benefits	441	522
Capital lease obligations	195	199
Derivative liabilities	155	190
Other liabilities and deferred credits	105	74
Total deferred credits and other liabilities	3,399	3,485
Commitments and contingencies (Notes 12 and 13)
Total capitalization and liabilities	$ 13,907	$ 14,056