Income Taxes (Details 6) (USD $)	Dec. 31, 2013
Operating Loss Carryforwards
Deferred tax asset relating to NOL carryforwards that have an indefinite life	$ 1,440,000,000
Recognized valuation allowance relating to NOL carryforwards	1,430,000,000
Operating Loss Carryforwards
Expiring NOLs	704,916,000
Non-expiring NOLs	4,924,153,000
Total	5,629,069,000
2014
Operating Loss Carryforwards
Expiring NOLs	14,538,000
2015
Operating Loss Carryforwards
Expiring NOLs	12,052,000
2016
Operating Loss Carryforwards
Expiring NOLs	37,089,000
2017
Operating Loss Carryforwards
Expiring NOLs	46,234,000
2018
Operating Loss Carryforwards
Expiring NOLs	55,688,000
2019
Operating Loss Carryforwards
Expiring NOLs	27,418,000
2020
Operating Loss Carryforwards
Expiring NOLs	17,065,000
2021
Operating Loss Carryforwards
Expiring NOLs	24,020,000
2022
Operating Loss Carryforwards
Expiring NOLs	475,000
2023
Operating Loss Carryforwards
Expiring NOLs	5,673,000
2030
Operating Loss Carryforwards
Expiring NOLs	28,173,000
2031
Operating Loss Carryforwards
Expiring NOLs	259,630,000
2032
Operating Loss Carryforwards
Expiring NOLs	82,328,000
2033
Operating Loss Carryforwards
Expiring NOLs	94,533,000
U.S. Federal
Operating Loss Carryforwards
Expiring NOLs	212,943,000
Total	212,943,000
U.S. Federal | 2018
Operating Loss Carryforwards
Expiring NOLs	999,000
U.S. Federal | 2019
Operating Loss Carryforwards
Expiring NOLs	17,722,000
U.S. Federal | 2031
Operating Loss Carryforwards
Expiring NOLs	189,444,000
U.S. Federal | 2033
Operating Loss Carryforwards
Expiring NOLs	4,778,000
Non-U.S.
Operating Loss Carryforwards
Expiring NOLs	491,973,000
Non-expiring NOLs	4,924,153,000
Total	5,416,126,000
Non-U.S. | 2014
Operating Loss Carryforwards
Expiring NOLs	14,538,000
Non-U.S. | 2015
Operating Loss Carryforwards
Expiring NOLs	12,052,000
Non-U.S. | 2016
Operating Loss Carryforwards
Expiring NOLs	37,089,000
Non-U.S. | 2017
Operating Loss Carryforwards
Expiring NOLs	46,234,000
Non-U.S. | 2018
Operating Loss Carryforwards
Expiring NOLs	54,689,000
Non-U.S. | 2019
Operating Loss Carryforwards
Expiring NOLs	9,696,000
Non-U.S. | 2020
Operating Loss Carryforwards
Expiring NOLs	17,065,000
Non-U.S. | 2021
Operating Loss Carryforwards
Expiring NOLs	24,020,000
Non-U.S. | 2022
Operating Loss Carryforwards
Expiring NOLs	475,000
Non-U.S. | 2023
Operating Loss Carryforwards
Expiring NOLs	5,673,000
Non-U.S. | 2030
Operating Loss Carryforwards
Expiring NOLs	28,173,000
Non-U.S. | 2031
Operating Loss Carryforwards
Expiring NOLs	70,186,000
Non-U.S. | 2032
Operating Loss Carryforwards
Expiring NOLs	82,328,000
Non-U.S. | 2033
Operating Loss Carryforwards
Expiring NOLs	89,755,000
State Income Tax
Operating Loss Carryforwards
NOL carryforwards for alternative minimum tax purpose	$ 304,000,000