XML 53 R45.htm IDEA: XBRL DOCUMENT v2.4.1.9
Debt And Interest Expense Debt and Interest Expense (Senior Notes) (Narrative) (Details) (USD $)
 1 Months Ended 12 Months Ended
Apr. 30, 2013
Rate
Aug. 31, 2007
Rate
Dec. 31, 2014
Dec. 31, 2013
Apr. 16, 2013
Rate
Aug. 15, 2007
Rate
Debt Disclosure [Abstract]            
Debt Instrument, Offering Date Apr. 16, 2013          
Debt Instrument, Face Amount     $ 1,250,000,000us-gaap_DebtInstrumentFaceAmount $ 1,250,000,000us-gaap_DebtInstrumentFaceAmount $ 750,000,000us-gaap_DebtInstrumentFaceAmount $ 1,250,000,000us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Interest Rate, Stated Percentage   3.25%us-gaap_DebtInstrumentInterestRateStatedPercentage     4.625%us-gaap_DebtInstrumentInterestRateStatedPercentage 3.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Maturity Date May 01, 2023   Nov. 22, 2016      
Issue price of debt instrument as percentage of face amount         100.00%vrsn_IssurePriceOfDebtInstrumentAsPercentageOfFaceAmount  
Repayments of Lines of Credit     100,000,000us-gaap_RepaymentsOfLinesOfCredit      
issuance cost on senior note         12,000,000vrsn_Issuancecostonseniornote  
Net proceeds from issuance of convertible debenture   $ 1,224,223,000us-gaap_ProceedsFromConvertibleDebt        
Maximum percentage of Senior Notes redemmable on or before 2018 35.00%vrsn_MaximumPercentageOfSeniorNotesRedemmableOnOrBefore2018          
Debt Instrument, Term Length     10 years      
Redemption Price Percentage For Redemption On Before 2018 104.625%vrsn_RedemptionPricePercentageForRedemptionOnBefore2018          
Redemption Price Of Senior Notes If Change Of Control 101.00%vrsn_RedemptionPriceOfSeniorNotesIfChangeOfControl