Long-Term Debt (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended				9 Months Ended			9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Sep. 30, 2012 Revolving Credit Facility [Member]	Sep. 30, 2012 Revolving Credit Facility [Member] Travelport subsidiary [Member]	Sep. 30, 2012 Letter of Credit [Member]	Sep. 30, 2012 Letter of Credit [Member] Orbitz Worldwide [Member]	Sep. 30, 2012 Synthetic Letter of Credit [Member]	Sep. 30, 2012 Euro Denominated Long-Term Debt [Member]	Sep. 30, 2012 Current Expiring Date [Member] Travelport subsidiary [Member]	Sep. 30, 2012 Extended Maturity Date [Member]	Sep. 30, 2012 Extended Maturity Date [Member] Travelport subsidiary [Member]	Sep. 30, 2012 Euro denominated floating rate notes [Member]	Sep. 30, 2012 Dollar denominated floating rate notes [Member]	Sep. 30, 2012 9 7/8% Dollar denominated notes [Member]	Sep. 30, 2012 Term loans [Member] Euro Denominated Term Loans Due on August 2013 [Member]	Sep. 30, 2012 Term loans [Member] Dollar denominated maturing on August 2013 [Member]	Sep. 30, 2012 Term loans [Member] Dollar Denominated Term Loans Due on August 2015 [Member]	Sep. 30, 2012 2012 Secured Credit Agreement [Member]	May 08, 2012 2012 Secured Credit Agreement [Member]	Sep. 30, 2012 2012 Secured Credit Agreement [Member] Maximum [Member]	Sep. 30, 2012 2012 Secured Credit Agreement [Member] Minimum [Member]	Sep. 30, 2012 External Lenders [Member] Revolving Credit Facility [Member]
Long Term Debt (Textual) [Abstract]
Long-term debt	$ 3,334		$ 3,357																	$ 175
Percentage of discount on term loan																				3.00%
Additional interest rate from USLIBOR																					9.50%	1.50%
Senior secured leverage ratio test																			4.95%
Repayment of term loans	165	658														41	121	3
Revolving credit facility outstanding amount	35
Repurchased floating rate Senior Notes													11	1	14
Line of credit facility, maximum borrowing capacity			181			133		13
Remaining capacity under revolving credit facility																							83
Remaining Capacity Under Letter Of Credit Facility						30
Revolving credit facility					62
Credit facility expiration date						Aug. 01, 2015		Aug. 01, 2013		Aug. 01, 2012	May 24, 2015	Aug. 01, 2013
Collateral securities of restricted cash						137
Borrowed and repaid revolver borrowings				60
Commitments outstanding						106	74	10
Decrease in long term debt due to foreign exchange fluctuations									5
Long Term Debt (Additional Textual) [Abstract]
Interest rate for dollar denominated notes	9.875%
Notes repurchased gain	6
Foreign exchange loss on derivative instruments	17
Credit risk fair value adjustments	8
Capitalized interest	10
Repayment of capital lease obligations	13	11
Capital Lease Obligations Incurred	$ 6