v2.4.0.6
Discontinued Operations (Narrative) (Details) (USD $)
 0 Months Ended 12 Months Ended
Jan. 19, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Spin-off costs   $ 14,000,000    
Cash received from TripAdvisor   400,000,000    
Current assets of discontinued operations   456,426,000 195,026,000  
Current liabilities of discontinued operations   419,800,000 75,408,000  
Leisure [Member]
        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Sale and marketing expense   207,000,000 171,000,000 140,000,000
8.5% Senior Notes Due 2016 [Member]
        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Senior unsecured notes principal amount   400,000,000 400,000,000  
Senior notes, interest rate   8.50%    
Senior notes, maturity date   2016    
Percentage of redemption price   100.00%    
Redemption of senior notes and accrued interest on senior notes 450,000,000 451,000,000    
Loss from early extinguishment of debt, pre-tax 38,000,000      
Loss from early extinguishment of debt, net of tax 25,000,000      
Redemption premium of senior note 33,000,000      
Write-off of unamortized debt issuance and discount costs 5,000,000      
Interest expense and amortization of debt issuance and discount costs   $ 35,000,000 $ 35,000,000 $ 35,000,000