v3.25.4

Organization and Description of Business (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 07, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Cash to be received per share upon merger (in dollars per share) |  | $ 31.00
Amount due upon termination of the Merger Agreement |  | $ 453.6
Merger transaction costs | $ 12.5 |

X
- Definition Merger Transaction, Amount Due At Termination Of Merger Agreement + References No definition available. + Details
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Namespace Prefix: | cflt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Merger Transaction Costs + References No definition available. + Details
Name: | cflt_MergerTransactionCosts
Namespace Prefix: | cflt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Merger Transaction, Right To Receive Cash + References No definition available. + Details
Name: | cflt_MergerTransactionRightToReceiveCash
Namespace Prefix: | cflt_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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