XML 97 R64.htm IDEA: XBRL DOCUMENT
v3.22.1

Summary of Significant Accounting Policies (Estimated Useful Lives of Intangible Assets) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($)
Purchased video content [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets, residual value | $ 0
Estimated Useful Lives (years) | 1 month to 2 years
Computer software [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets, residual value | $ 0
Estimated Useful Lives (years) | 1-5
Developed technologies [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets, residual value | $ 0
Estimated Useful Lives (years) | 3-10
Domain names and trademarks [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets, residual value | $ 0
Estimated Useful Lives (years) | 4-30
Operating rights for licensed games [Member] |
Finite-Lived Intangible Assets [Line Items] |
Intangible assets, residual value | $ 0
Estimated Useful Lives (years) | over the contract terms

X
- Definition Estimated useful lives of intangible assets. + References No definition available. + Details
Name: | sohu_EstimatedUsefulLivesOfIntangibleAssets
Namespace Prefix: | sohu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The estimated or actual value of intangible asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose). + References No definition available. + Details
Name: | sohu_IntangibleAssetsResidualValue
Namespace Prefix: | sohu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=sohu_VideoContentAndLicenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ComputerSoftwareIntangibleAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=sohu_DomainNamesAndTrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |