v2.4.0.6
Property and Equipment, Net (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 5,750,218,000 $ 5,519,236,000  
Less accumulated depreciation 2,125,230,000 1,977,128,000  
Property and equipment, net 3,624,988,000 3,542,108,000  
Depreciation expense 199,500,000 190,600,000 199,000,000
Assets held for development 331,770,000 1,089,819,000  
Land
      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 377,748,000 614,697,000  
Building and Improvements
      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 3,827,980,000 3,513,230,000  
Furniture and Equipment
      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 1,306,150,000 1,185,737,000  
Riverboats and Barges
      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 187,620,000 168,204,000  
Other
      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 50,720,000 37,368,000  
Land Near Echelon Development
      
Property, Plant and Equipment [Line Items]      
Assets held for development $ 237,000,000