XML 71 R62.htm IDEA: XBRL DOCUMENT
v3.20.1

Reconciliation of Unrecognized Tax Benefits (Parenthetical) (Detail) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Unrecognized tax benefit | $ 19.6 | $ 18.4

X
- Definition Unrecognized tax benefit presented net from deferred tax asset. + References No definition available. + Details
Name: | chkp_UnrecognizedTaxBenefitPresentedNetFromDeferredTaxAsset
Namespace Prefix: | chkp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration