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Orbitz Worldwide - Summary Balance Sheets for Orbitz Worldwide (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Equity Method Investment Summarized Financial Information [Abstract]    
Current assets $ 243 $ 226
Non-current assets 865 608
Total assets 1,108 834
Current liabilities 558 473
Non-current liabilities 508 504
Total liabilities $ 1,066 $ 977