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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
DexCom, Inc.
SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS
(In millions)
Allowance for doubtful accounts
Balance at December 31, 2019$5.8 
Provision for doubtful accounts3.2 
Write-offs and adjustments(2.1)
Recoveries0.3 
Balance at December 31, 2020$7.2 
Allowance for doubtful accounts
Balance at December 31, 2020$7.2 
Provision for doubtful accounts(1.4)
Write-offs and adjustments(0.5)
Recoveries0.1 
Balance at December 31, 2021$5.4 
Allowance for doubtful accounts
Balance at December 31, 2021$5.4 
Provision for doubtful accounts2.4 
Write-offs and adjustments(0.5)
Recoveries— 
Balance at December 31, 2022$7.3