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Effective Income Tax Reconciliation (Parenthetical) (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Tax Rate Reconciliation [Line Items] |  |  |
Basic earnings per share amounts of the benefit resulting from the "Approved and Privileged Enterprise" status | $ 0.24 | $ 0.21 | $ 0.20
Diluted earnings per share amounts of the benefit resulting from the "Approved and Privileged Enterprise" status | $ 0.23 | $ 0.20 | $ 0.20

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- Definition Basic Earnings Per Shares Amount Resulting From Issuance Of Status + References No definition available. + Details
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Namespace Prefix: | chkp_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Diluted Earnings Per Shares Amount Resulting From Issuance Of Status + References No definition available. + Details
Name: | chkp_DilutedEarningsPerSharesAmountResultingFromIssuanceOfStatus
Namespace Prefix: | chkp_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | chkp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration