Orbitz Worldwide - Summary of Operations for Orbitz Worldwide (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Related Party Transaction [Line Items]
Net revenue	$ 537		$ 506	$ 1,085	$ 1,056
Operating income	56		63	125	129
Interest expense, net	(104)		(77)	(174)	(144)
Loss on extinguishment of debt	(49)			(49)
Benefit (provision) for income taxes	(6)		(8)	(17)	(16)
Orbitz Worldwide [Member]
Related Party Transaction [Line Items]
Net revenue	226		201	429	391
Operating expenses	203		186	409	372
Operating income	23		15	20	19
Interest expense, net	(13)		(9)	(22)	(19)
Loss on extinguishment of debt	(18)			(18)
(Loss) income before income taxes	(8)		6	(20)
Benefit (provision) for income taxes	9	158	(1)	167	(2)
Net income (loss)	$ 1		$ 5	$ 147	$ (2)