CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) shares in Millions, $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Common stock	147	147
Treasury Stock	2	2
Common stock, par value	$ 0.01
Cash and cash equivalents	$ 1,338	$ 2,806
Restricted cash	59	76
Inventories	21	43
Receivables, net	193	518
Due from affiliates	32	0
Prepayments and other current assets	128	225
Property and equipment, net	7,598	13,456
Goodwill	1,696	2,366
Intangible assets other than goodwill, net	543	3,150
Restricted cash	109	109
Deferred income taxes	28	16
Deferred charges and other	450	563
Accounts payable	179	349
Due to affiliates	16	0
Accrued expenses and other current liabilities	588	1,199
Interest payable	131	736
Current portion of long-term debt	187	15,779
Long-term debt	6,777	7,230
Deferred income taxes	991	2,293
Deferred credits and other	188	484
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents	1,060	944
Restricted cash	4	15
Inventories	7	3
Receivables, net	123	97
Due from affiliates	32	0
Prepayments and other current assets	51	27
Property and equipment, net	2,620	2,570
Goodwill	294	291
Intangible assets other than goodwill, net	251	289
Restricted cash	9	25
Deferred income taxes	28	16
Deferred charges and other	260	46
Accounts payable	141	79
Due to affiliates	15	0
Accrued expenses and other current liabilities	272	242
Interest payable	37	37
Current portion of long-term debt	70	20
Long-term debt	2,267	2,292
Deferred income taxes	4	7
Deferred credits and other	$ 138	$ 124