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Summary of Annual Rate of Depreciation on Property and Equipment (Detail)	12 Months Ended
	Dec. 31, 2018
Building
Property, Plant and Equipment [Line Items]
Annual rate of depreciation on property and equipment	4.00%
Leasehold improvements
Property, Plant and Equipment [Line Items]
Leasehold improvements	The shorter of term of the lease or the useful life of the asset
Minimum | Computers and peripheral equipment
Property, Plant and Equipment [Line Items]
Annual rate of depreciation on property and equipment	33.00%
Minimum | Office furniture and equipment
Property, Plant and Equipment [Line Items]
Annual rate of depreciation on property and equipment	10.00%
Maximum | Computers and peripheral equipment
Property, Plant and Equipment [Line Items]
Annual rate of depreciation on property and equipment	50.00%
Maximum | Office furniture and equipment
Property, Plant and Equipment [Line Items]
Annual rate of depreciation on property and equipment	20.00%

X

- Definition

Annual rate of depreciation on property and equipment.

+ References

No definition available.

+ Details

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Namespace Prefix:	chkp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 35
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68071081&loc=d3e1205-110223

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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