Consolidated Condensed Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
CURRENT ASSETS
Cash and cash equivalents	$ 28	$ 14
Trade receivables, net	241	308
Inventories	71	71
Other current assets	314	308
Total current assets	654	701
PROPERTY, PLANT AND EQUIPMENT	20,665	20,536
Accumulated depreciation, depletion and amortization	(9,099)	(8,851)
TOTAL PROPERTY, PLANT AND EQUIPMENT, NET	11,566	11,685
OTHER ASSETS	44	43
TOTAL ASSETS	12,264	12,429
CURRENT LIABILITIES
Current maturities of long-term debt	25
Accounts payable	373	588
Accrued liabilities	337	334
Total current liabilities	735	922
LONG-TERM DEBT, NET	6,479	6,292
DEFERRED INCOME TAXES	1,986	2,055
OTHER LONG-TERM LIABILITIES	548	549
EQUITY
Preferred stock (200 million shares authorized at $0.01 par value) no shares outstanding at March 31, 2015 and December 31, 2014
Common stock (2.0 billion shares authorized at $0.01 par value) outstanding shares (March 31, 2015 - 386,004,534 and December 31, 2014 - 385,639,582)	4	4
Additional paid-in capital	4,757	4,748
Accumulated deficit	(2,221)	(2,117)
Accumulated other comprehensive income / (loss)	(24)	(24)
Total equity	2,516	2,611
TOTAL LIABILITIES AND EQUITY	$ 12,264	$ 12,429