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Document and Entity Information
9 Months Ended
Sep. 30, 2015
Document and Entity Information  
Entity Registrant Name CTRIP COM INTERNATIONAL LTD
Entity Central Index Key 0001269238
Document Type 6-K
Document Period End Date Sep. 30, 2015
Amendment Flag false
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2015
Document Fiscal Period Focus FY