Subsequent Events - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	6 Months Ended	1 Months Ended			0 Months Ended	1 Months Ended		0 Months Ended		0 Months Ended				0 Months Ended
	Jun. 30, 2014	May 31, 2014 Orbitz Worldwide [Member]	Jun. 30, 2014 Orbitz Worldwide [Member]	Dec. 31, 2013 Orbitz Worldwide [Member]	Jul. 22, 2014 Subsequent Event [Member] Orbitz Worldwide [Member]	Jul. 31, 2014 Subsequent Event [Member] Orbitz Worldwide [Member]	Jul. 22, 2014 Subsequent Event [Member] Orbitz Worldwide [Member]	Jul. 22, 2014 Subsequent Event [Member] Orbitz Worldwide [Member] Underwriters [Member]	Jul. 22, 2014 Subsequent Event [Member] Orbitz Worldwide [Member] Optional Share [Member]	Aug. 01, 2014 Revolving Credit Facility [Member] Subsequent Event [Member]	Aug. 01, 2014 Revolving Credit Facility [Member] Subsequent Event [Member]	Jul. 22, 2014 Maximum [Member] Subsequent Event [Member] Orbitz Worldwide [Member]	Aug. 01, 2014 Senior Secured Credit Agreement [Member] Subsequent Event [Member]	Aug. 01, 2014 Term Loan Maturing in 2021 [Member] Subsequent Event [Member]	Aug. 01, 2014 Term Loan Maturing in 2021 [Member] Subsequent Event [Member]	Aug. 01, 2014 Senior Unsecured Bridge Loan Facility [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Aggregate principal amount											$ 100		$ 2,400		$ 2,300	$ 500
Debt maturity year										2019				2021
Common stock, shares sold		8.6			34.0			5.0
Common stock sold, price per share							$ 8.00		$ 8.04
Net proceeds from common stock sold	54	54			312	312
Repayment of principal amount of term loans	$ 8.0				$ 312.2
Percentage of equity investments			36.00%	45.00%								1.00%