Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 96	$ 23
Accounts receivable, net	727	701
Income taxes receivable	0	133
Inventories:
Materials and supplies	231	218
Fuel	191	199
Deferred income taxes	27	28
Regulatory assets	118	131
Other current assets	76	92
Total current assets	1,466	1,525
Property, plant and equipment, net	18,900	18,719
Regulatory assets	1,558	1,574
Other assets	414	449
Total assets	22,338	22,267
Current liabilities:
Accounts payable	457	465
Income taxes payable	83	0
Accrued employee expenses	114	76
Accrued interest	111	110
Accrued property and other taxes	95	59
Short-term debt	0	20
Current portion of long-term debt and capital lease obligations	179	134
Regulatory liabilities	32	34
Other current liabilities	221	222
Total current liabilities	1,292	1,120
Regulatory liabilities	930	910
Long-term debt and capital lease obligations	7,123	6,919
Deferred income taxes	4,615	4,609
Other long-term liabilities	1,017	953
Total liabilities	$ 14,977	$ 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	2,893	3,288
Accumulated other comprehensive loss, net	(13)	(13)
Total shareholders' equity	7,361	7,756
Total liabilities and shareholders' equity	$ 22,338	$ 22,267