CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Common stock, shares issued	145	147
Treasury stock, shares	2	2
Common stock, par value	$ 0.01	$ 0.01
Cash and cash equivalents	$ 1,555	$ 2,806
Restricted cash	49	76
Receivables, net of allowance for doubtful accounts	186	518
Due from Affiliate	49	0
Deferred income taxes	5	5
Prepayments and other current assets	167	225
Inventory	12	43
Property and equipment, net of accumulated depreciation	7,638	13,456
Goodwill	1,693	2,366
Intangible assets other than goodwill	609	3,150
Restricted cash	65	109
Deferred income taxes	13	14
Deferred charges and other	496	767
Accounts payable	242	349
Due to affiliates	27	0
Accrued expenses and other current liabilities	556	1,199
Interest payable	203	736
Deferred income taxes	36	217
Current Portion of Long-Term Debt	71	15,779
Long-Term Debt, Face Value	6,991	7,434
Deferred income taxes	1,286	2,079
Deferred credits and other	194	484
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents	935	944
Restricted cash	15	15
Receivables, net of allowance for doubtful accounts	112	97
Due from Affiliate	49	0
Deferred income taxes	5	5
Prepayments and other current assets	49	27
Inventory	3	3
Property and equipment, net of accumulated depreciation	2,630	2,570
Goodwill	292	291
Intangible assets other than goodwill	279	289
Restricted cash	9	25
Deferred income taxes	13	13
Deferred charges and other	277	60
Accounts payable	170	79
Due to affiliates	26	0
Accrued expenses and other current liabilities	207	242
Interest payable	53	37
Deferred income taxes	2	2
Current Portion of Long-Term Debt	24	20
Long-Term Debt, Face Value	2,299	2,306
Deferred income taxes	5	8
Deferred credits and other	$ 131	$ 124