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v3.23.1

Significant Accounting Policies - Schedule of Estimated Useful Lives of Intangible Assets (Detail) | 12 Months Ended
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Dec. 31, 2022
Technology [Member] |
Finite-Lived Intangible Liabilities [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 3 years
Active user [Member] |
Finite-Lived Intangible Liabilities [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 5 years
Trade Names [Member] |
Finite-Lived Intangible Liabilities [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 10 years
Minimum [Member] | Licenses [Member] |
Finite-Lived Intangible Liabilities [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 10 years
Maximum [Member] | Licenses [Member] |
Finite-Lived Intangible Liabilities [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 3 years 2 months 12 days

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- Definition Finite-Lived Intangible Liabilities [Line Items] + References No definition available. + Details
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Namespace Prefix: | momo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=momo_ActiveUserMember
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: |

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