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Document and Entity Information
 12 Months Ended
Dec. 31, 2013
Document and Entity Information  
Entity Registrant Name CTRIP COM INTERNATIONAL LTD
Entity Central Index Key 0001269238
Document Type 20-F
Document Period End Date Dec. 31, 2013
Amendment Flag false
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 33,828,251
Document Fiscal Year Focus 2013
Document Fiscal Period Focus FY