v2.4.0.6
Document Entity Information Document (USD $)
12 Months Ended
Dec. 31, 2012
Feb. 14, 2013
Jun. 30, 2012
Entity Information [Line Items]      
Entity Registrant Name DENTSPLY INTERNATIONAL INC /DE/    
Entity Central Index Key 0000818479    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Trading Symbol XRAY    
Document Period End Date Dec. 31, 2012    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Amendment Flag false    
Total outstanding shares   142,849,900  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 5,576,831,322