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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Apr. 30, 2024 | Jan. 31, 2024
Minimum |  |
Commitments And Contingencies [Line Items] |  |
Purchase obligation term | 2 years |
Maximum |  |
Commitments And Contingencies [Line Items] |  |
Purchase obligation term | 8 years |
June 2023 Facility | Wells Fargo Bank | Secured Debt | Letters of Credit |  |
Commitments And Contingencies [Line Items] |  |
Letters of credit facility | $ 11.4 | $ 11.4

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- Definition Commitments and contingencies. + References No definition available. + Details
Name: | box_CommitmentsAndContingenciesLineItems
Namespace Prefix: | box_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Purchase obligation term. + References No definition available. + Details
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Namespace Prefix: | box_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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