Consolidated Statements of Changes in Total Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock	Additional Paid in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Non - Controlling Interest in Subsidiaries
Beginning balance at Dec. 31, 2008	$ 419	$ 0	$ 1,225	$ (773)	$ (40)	$ 7
Distribution to a parent company	(227)		(227)
Equity-based compensation, net of repurchases	8		8
Business acquired	8			1		7
Dividend to non-controlling interest shareholders	(1)					(1)
Comprehensive income (loss):
Net (loss) income	(869)			(871)		2
Currency translation adjustment, net of tax of $0	33				33
Unrealized gain on cash flow hedges, net of tax of $0	18				18
Defined benefit plan settlement, net of tax of $0	4				4
Unrecognized actuarial (gain) loss on defined benefit plans, net of tax of $0 & $(2)	8				8
Unrealized gain on equity investment in Orbitz Worldwide and other, net of tax of $0	7				7
Total comprehensive loss	(799)
Ending balance at Dec. 31, 2009	(592)	0	1,006	(1,643)	30	15
Equity-based compensation, net of repurchases	5		5
Dividend to non-controlling interest shareholders	(3)					(3)
Capital contribution from non-controlling interest shareholders	1					1
Comprehensive income (loss):
Net (loss) income	(44)			(43)		(1)
Currency translation adjustment, net of tax of $0	(35)				(35)
Unrealized gain on cash flow hedges, net of tax of $0	9				9
Unrecognized actuarial (gain) loss on defined benefit plans, net of tax of $0 & $(2)	(22)				(22)
Unrealized gain on equity investment in Orbitz Worldwide and other, net of tax of $0	9				9
Total comprehensive loss	(83)
Ending balance at Dec. 31, 2010	(672)	0	1,011	(1,686)	(9)	12
Distribution to a parent company	(297)		(297)
Equity-based compensation, net of repurchases	6		6
Capital contribution from non-controlling interest shareholders	4					4
Net share settlement for equity-based compensation	(3)		(3)
Comprehensive income (loss):
Net (loss) income	172			175		(3)
Currency translation adjustment, net of tax of $0	(81)				(81)
Unrecognized actuarial (gain) loss on defined benefit plans, net of tax of $0 & $(2)	(101)				(101)
Unrealized gain on equity investment in Orbitz Worldwide and other, net of tax of $0	6				6
Realization of loss on cash flow hedges, net of tax of $0	9				9
Total comprehensive loss	5
Ending balance at Dec. 31, 2011	$ (957)	$ 0	$ 717	$ (1,511)	$ (176)	$ 13