Consolidated Balance Sheets Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 188	$ 53
Accounts receivable, net	668	700
Inventories:
Materials and supplies	218	213
Fuel	218	241
Deferred income taxes	15	66
Regulatory assets	122	94
Other current assets	71	75
Total current assets	1,500	1,442
Property, plant and equipment, net	18,635	18,507
Regulatory assets	1,228	1,290
Other assets	451	420
Total assets	21,814	21,659
Current liabilities:
Accounts payable	441	504
Income taxes payable	40	22
Accrued employee expenses	114	79
Accrued interest	115	110
Accrued property and other taxes	91	58
Current portion of long-term debt and capital lease obligations	226	238
Regulatory liabilities	30	55
Other current liabilities	190	208
Total current liabilities	1,247	1,274
Regulatory liabilities	906	879
Long-term debt and capital lease obligations	7,051	6,639
Deferred income taxes	4,413	4,359
Other long-term liabilities	696	721
Total liabilities	14,313	13,872
Commitments and contingencies (Note 8)
Shareholders' equity:
Preferred stock	2	2
Common stock - 750 shares authorized, no par value, 357 shares issued and outstanding	0	0
Additional paid-in capital	4,479	4,479
Retained earnings	3,029	3,315
Accumulated other comprehensive loss, net	(9)	(9)
Total shareholders' equity	7,501	7,787
Total liabilities and shareholders' equity	$ 21,814	$ 21,659