Consolidated Statements of Financial Position (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 30	$ 13
Restricted cash, principally Securitization	102	127
Accounts receivable (less allowance for doubtful accounts of $XX and $80, respectively)
Customer	697	709
Affiliates	5	61
Other	63	76
Inventories
Fuel and gas	246	264
Materials and supplies	193	183
Notes receivable
Affiliates	0	26
Other	2	2
Regulatory assets	162	272
Other	77	63
Total Current Assets	1,577	1,796
Investments
Nuclear decommissioning trust funds	1,037	937
Other	133	121
Total Investments	1,170	1,058
Property
Property, plant and equipment	17,689	16,788
Less accumulated depreciation and amortization	(6,717)	(6,526)
Property, plant and equipment, net	10,972	10,262
Other Assets
Regulatory assets	3,348	3,618
Securitized regulatory assets	413	577
Intangible assets	30	36
Notes receivable	3	4
Other	138	142
Total Noncurrent Assets	3,932	4,377
Total Assets	17,651	17,493
Accounts payable
Affiliates	52	67
Accounts payable	350	421
Accrued interest	61	69
Current portion long-term debt, including capital leases	443	470
Regulatory liabilities	66	80
Short-term borrowing - affiliates	80	64
Short-term borrowing - other	130	0
Other	166	230
Total Current Liabilities	1,348	1,401
Long-Term Debt (net of current portion)
Mortgage bonds, notes and other	4,221	4,105
Securitization bonds	302	479
Capital lease obligations	1	9
Total Long-Term Debt (net of current portion)	4,524	4,593
Other Liabilities
Deferred income taxes	2,761	2,701
Regulatory liabilities	483	454
Asset retirement obligations	1,557	1,440
Unamortized investment tax credit	49	57
Nuclear decommissioning	159	148
Accrued pension liability — affiliates	1,368	1,231
Accrued postretirement liability — affiliates	996	1,217
Other	103	115
Total Noncurrent Liabilities	7,476	7,363
Shareholder’s Equity
Common stock, $10 par value, 400,000,000 shares authorized, and 138,632,324 shares issued and outstanding	3,196	3,196
Retained earnings	1,129	960
Accumulated other comprehensive loss	(22)	(20)
Total Shareholder's Equity	4,303	4,136
Total Liabilities and Shareholder's Equity	$ 17,651	$ 17,493