Orbitz Worldwide - Summary Results of Operations for Orbitz Worldwide (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2013
Related Party Transaction [Line Items]
Net revenue	$ 551	$ 537		$ 1,123	$ 1,085
Operating expenses	491	481		988	960
Operating income	60	56		135	125
Interest expense, net	(87)	(104)		(170)	(174)
Loss on early extinguishment of debt	(9)	(49)		(14)	(49)
(Provision for) benefit income taxes	(12)	(6)		(22)	(17)
Orbitz Worldwide [Member]
Related Party Transaction [Line Items]
Net revenue	248	226		458	429
Operating expenses	225	203		424	409
Operating income	23	23		34	20
Interest expense, net	(8)	(13)		(18)	(22)
Loss on early extinguishment of debt	(2)	(18)		(2)	(18)
Income (loss) before income taxes	13	(8)		14	(20)
(Provision for) benefit income taxes	(6)	9	158	(13)	167
Net income	$ 7	$ 1		$ 1	$ 147