Annual report pursuant to Section 13 and 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Expedia Consolidated Balance Sheets) (Details)

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Investments In Affiliates Accounted For Using The Equity Method (Expedia Consolidated Balance Sheets) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current assets $ 5,258 $ 3,120  
Property and equipment, net 1,235 1,133  
Goodwill 9,556 5,978 5,983
Other assets 95 78  
Total assets 26,255 17,339  
Current liabilities 4,489 3,568  
Deferred income taxes 3,209 2,046  
Long-term debt 6,246 4,850  
Other liabilities 260 248  
Noncontrolling interests 4,489 134  
Equity 7,562 6,493  
Total liabilities and equity 26,255 17,339  
Expedia [Member]
      
Current assets 2,615 2,275  
Property and equipment, net 409 320  
Goodwill 3,016 2,877  
Intangible assets 821 744  
Other assets 224 289  
Current liabilities 2,982 2,553  
Deferred income taxes 324 280  
Long-term debt 1,249 1,249  
Other liabilities 141 118  
Noncontrolling interests 109 105  
Equity 2,280 2,200  
Total liabilities and equity $ 7,085 $ 6,505