| Legal Proceedings Legal Proceedings (Details) € in Millions | Jul. 02, 2016  EUR (€) | 
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| Subsidiaries | Germany | Lufthansa Technik AG | Patent Infringement | |
| Loss Contingencies [Line Items] | |
| Estimate of the value of the dispute | € 2 | 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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