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Organization and Basis of Presentation Narrative (Details) shares in Millions | Jun. 30, 2015 Countries | Dec. 31, 2014 Countries | Dec. 31, 2014 | Dec. 31, 2014 Rate | Jul. 22, 2014 shares | Dec. 31, 2013 Rate | Jul. 25, 2007 shares
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Orbitz |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |
Number of Countries in which Entity Operates | Countries | 8 |  |  |  |  |  |
Shares beneficially owned [Line Items] |  |  |  |  |  |  |
Initial Public Offering Shares Issued | shares |  |  |  |  |  |  | 34.4
Shares beneficially owned by parent, percentage | 1.00% |  | 48.00% | 1.00% |  | 48.00% |
Ebookers [Member] |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |
Number of Countries in which Entity Operates | Countries |  | 8 |  |  |  |  |
Travelport [Member] |  |  |  |  |  |  |
Shares beneficially owned [Line Items] |  |  |  |  |  |  |
Common Stock Shares Sold | shares |  |  |  |  | 47.7 |  |
Shares beneficially owned by parent, percentage | Rate |  |  |  | 1.00% |  |  |

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