XML 39 R28.htm IDEA: XBRL DOCUMENT v3.10.0.1

Financial Instruments Financial Instruments narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2018	May 01, 2018	Dec. 31, 2017
Convertible Debt, Fair Value Disclosures		$ 651,300
Debt securities gross unrealized gains	$ 100
Debt instrument fair value senior notes 2023	756,100
Debt instrument fair value senior notes 2025	507,400
Debt instrument fair value senior notes 2027	526,500
debt instruments discount rate		8.42%
Fair Value, Inputs, Level 1 [Member]
Financial Instruments, Owned, US Government and Agency Obligations, at Fair Value	$ 1,014,798		$ 2,169,197

X

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

+ References

No definition available.

+ Details

Name:	us-gaap_ConvertibleDebtFairValueDisclosures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The fair value as of the balance sheet date of firm holdings in debt obligations issued by the US government including short-term Treasury bills, medium-term Treasury notes, and long-term Treasury bonds, as well as debt issued by agencies. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969

+ Details

Name:	us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Debt instrument fair value senior notes 2023

+ References

No definition available.

+ Details

Name:	vrsn_Debtinstrumentfairvalueseniornotes2023
Namespace Prefix:	vrsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Debt instrument fair value senior notes 2025

+ References

No definition available.

+ Details

Name:	vrsn_Debtinstrumentfairvalueseniornotes2025
Namespace Prefix:	vrsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

debt instruments discount rate

+ References

No definition available.

+ Details

Name:	vrsn_Debtinstrumentsdiscountrate
Namespace Prefix:	vrsn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Senior Notes 2027

+ References

No definition available.

+ Details

Name:	vrsn_SeniorNotes2027
Namespace Prefix:	vrsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: