Consolidated Statements of Financial Position (Unaudited) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 143	$ 13
Restricted cash, principally Securitization	92	127
Accounts receivable (less allowance for doubtful accounts of $72 and $80, respectively)
Customer	751	709
Affiliates	87	61
Other	57	76
Inventories
Fuel	258	264
Materials and supplies	186	183
Notes receivable
Affiliates	192	26
Other	2	2
Regulatory assets	154	272
Other	60	63
Total Current Assets	1,982	1,796
Investments
Nuclear decommissioning trust funds	985	937
Other	126	121
Total Investments	1,111	1,058
Property
Property, plant and equipment	17,163	16,788
Less accumulated depreciation and amortization	(6,627)	(6,526)
Property, plant and equipment, net	10,536	10,262
Other Assets
Regulatory assets	3,497	3,618
Securitized regulatory assets	497	577
Intangible assets	32	36
Notes receivable	4	4
Other	140	142
Total Noncurrent Assets	4,170	4,377
Total Assets	17,799	17,493
Accounts payable
Affiliates	45	67
Other	397	421
Accrued interest	65	69
Current portion long-term debt, including capital leases	474	470
Regulatory liabilities	8	27
Short-term borrowings - affiliates	81	64
Other	241	283
Total Current Liabilities	1,311	1,401
Long-Term Debt (net of current portion)
Mortgage bonds, notes and other	4,591	4,105
Securitization bonds	391	479
Capital lease obligations	1	9
Total Long-Term Debt (net of current portion)	4,983	4,593
Other Liabilities
Deferred income taxes	2,773	2,701
Regulatory liabilities	429	454
Asset retirement obligations	1,487	1,440
Unamortized investment tax credit	53	57
Nuclear decommissioning	149	148
Accrued pension liability — affiliates	1,176	1,231
Accrued postretirement liability - affiliates	1,124	1,217
Other	104	115
Total Noncurrent Liabilities	7,295	7,363
Equity
Common stock, $10 par value, 400,000,000 shares authorized, 138,632,324 shares issued and outstanding	3,196	3,196
Retained earnings	1,032	960
Accumulated other comprehensive loss	(18)	(20)
Total Equity	4,210	4,136
Total Liabilities and Equity	$ 17,799	$ 17,493