Orbitz Worldwide - Summary of Operations for Orbitz Worldwide (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2013	Mar. 31, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Related Party Transaction [Line Items]
Net revenue	$ 511		$ 489	$ 1,596	$ 1,545
Operating income	57		27	182	155
Interest expense, net	(83)		(71)	(257)	(215)
Loss on extinguishment of debt			5	(49)	6
(Benefit from)/provision for income taxes	(7)		(8)	(24)	(24)
Orbitz Worldwide [Member]
Related Party Transaction [Line Items]
Net revenue	221		198	650	589
Operating expenses	194		173	603	545
Operating income	27		25	47	44
Interest expense, net	(12)		(9)	(34)	(28)
Loss on extinguishment of debt				(18)
Income (loss) before income taxes	15		16	(5)	16
(Benefit from)/provision for income taxes	(2)	158	(1)	165	(3)
Net income	$ 13		$ 15	$ 160	$ 13