Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 47	$ 23
Accounts receivable, net	748	701
Income taxes receivable	0	133
Inventories:
Materials and supplies	232	218
Fuel	190	199
Deferred income taxes	42	28
Regulatory assets	110	131
Other current assets	64	92
Total current assets	1,433	1,525
Property, plant and equipment, net	18,945	18,719
Regulatory assets	1,541	1,574
Other assets	428	449
Total assets	22,347	22,267
Current liabilities:
Accounts payable	481	465
Income taxes payable	117	0
Accrued employee expenses	118	76
Accrued interest	107	110
Accrued property and other taxes	130	59
Short-term debt	0	20
Current portion of long-term debt and capital lease obligations	64	134
Regulatory liabilities	37	34
Other current liabilities	230	222
Total current liabilities	1,284	1,120
Regulatory liabilities	937	910
Long-term debt and capital lease obligations	7,123	6,919
Deferred income taxes	4,652	4,609
Other long-term liabilities	995	953
Total liabilities	$ 14,991	$ 14,511
Commitments and contingencies (Note 10)
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	2,888	3,288
Accumulated other comprehensive loss, net	(13)	(13)
Total shareholders' equity	7,356	7,756
Total liabilities and shareholders' equity	$ 22,347	$ 22,267