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v3.25.0.1

REVENUE - Revenue by Product Category (Details) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Revenue from External Customer [Line Items] |  |  |  |
Percentage of product and maintenance revenue by product group |  | 100.00% | 100.00% | 100.00%
Core EDA |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Percentage of product and maintenance revenue by product group | [1] | 71.00% | 76.00% | 76.00%
IP |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Percentage of product and maintenance revenue by product group |  | 13.00% | 12.00% | 12.00%
System Design and Analysis |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Percentage of product and maintenance revenue by product group |  | 16.00% | 12.00% | 12.00%
[1] | Includes immaterial amount of revenue accounted for under leasing arrangements

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- Definition Percentage of Product, Maintenance and Services Revenue by Product Group + References No definition available. + Details
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Namespace Prefix: | cdns_
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Balance Type: | na
Period Type: | duration

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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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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Details
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Data Type: | na
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=cdns_SystemDesignAndAnalysisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |