Segment Information (Segment Reporting Information) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Restructuring, Settlement and Impairment Provisions                 $ (220,742) $ (168,543) $ (30,401)
Gain (Loss) on Sale of Assets and Asset Impairment Charges                 74,631 0 0
Operating revenues 854,231 926,727 951,981 955,781 1,063,767 1,085,633 1,245,451 1,316,716 3,688,720 4,711,567 5,693,235
Operating Income Loss Before Depreciation And Amortization                 (292,664) 492,865 1,129,304
Segment earnings (losses)                 (292,664) 492,865 1,129,304
Less: Depreciation and amortization                 (672,705) (692,927) (605,161)
Foreign currency transaction losses, net                 (130,499) (123,369) (63,330)
Interest expense and other, net                 (389,641) (496,062) (354,107)
(Loss) income from continuing operations before reorganization items and income tax provision                 (1,631,620) (988,036) 76,305
Capital expenditures                 428,420 872,094 1,305,696
Identifiable assets 5,430,591       8,679,954       5,430,591 8,679,954  
CHILE                      
Assets of Disposal Group, Including Discontinued Operation         168,900         168,900  
MEXICO                      
Restructuring, Settlement and Impairment Provisions                 (26,256) (39,057) (439)
Gain (Loss) on Sale of Assets and Asset Impairment Charges   (75,400)                  
Brazil [Member]                      
Operating revenues                 1,848,918 2,208,034 2,902,350
Operating Income Loss Before Depreciation And Amortization                 (133,691) 311,129 674,632
Segment earnings (losses)                 (133,691) 311,129 674,632
Capital expenditures                 218,855 461,458 632,796
Identifiable assets 2,991,959       3,705,642       2,991,959 3,705,642  
Mexico [Member]                      
Operating revenues                 1,417,163 1,872,697 2,109,573
Operating Income Loss Before Depreciation And Amortization                 (90,481) 179,896 561,059
Segment earnings (losses)                 (90,481) 179,896 561,059
Capital expenditures                 168,750 375,522 523,555
Identifiable assets 1,721,710       2,695,091       1,721,710 2,695,091  
Argentina [Member]                      
Operating revenues                 424,972 636,448 685,201
Operating Income Loss Before Depreciation And Amortization                 76,241 179,418 180,956
Segment earnings (losses)                 76,241 179,418 180,956
Capital expenditures                 26,308 21,183 56,825
Identifiable assets 279,714       451,041       279,714 451,041  
Corporate and Eliminations [Member]                      
Operating revenues                 (2,333) (5,612) (3,889)
Operating Income Loss Before Depreciation And Amortization                 (144,733) (177,578) (287,343)
Segment earnings (losses)                 (144,733) (177,578) (287,343)
Capital expenditures                 14,507 13,931 92,520
Identifiable assets $ 437,208       $ 1,828,180       $ 437,208 $ 1,828,180