Rendering

Component: (Network and Table)
Network
2403409 - Disclosure - Financial Statement Details - Accrued Warranty (Detail)
(http://www.dexcom.com/role/FinancialStatementDetailsAccruedWarrantyDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001093557 (http://www.sec.gov/CIK)
Disclosure of Financial Statement Details [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Disclosure of Financial Statement Details [Abstract]
 
 
Movement in Standard Product Warranty Accrual [Roll Forward]
 
 
Beginning balance
3,300,000  
1,300,000  
Charges to costs and expenses
25,000,000  
9,000,000  
Costs incurred
(18,500,000) 
(7,000,000) 
Ending balance
9,800,000  
 
3,300,000