XML 85 R52.htm IDEA: XBRL DOCUMENT
v3.22.1

The Company and Nature of Operations (Details) - USD ($) $ / shares in Units, $ in Millions | Sep. 23, 2021 | Apr. 17, 2020
--- | --- | ---
Tencent/Sohu Sogou Share Purchase [Member] |  |
Organization and Nature of Operations [Line Items] |  |
Sale of stock, Consideration received on transaction | $ 1,180 |
Changyou [Member] |  |
Organization and Nature of Operations [Line Items] |  |
Voting power held by the Company |  | 100.00%
Changyou Merger [Member] | Changyou [Member] | Sohu.com Limited [Member] |  |
Organization and Nature of Operations [Line Items] |  |
Voting power held by the Company |  | 100.00%
Ordinary Shares [Member] | Changyou Merger [Member] | Changyou [Member] | Sohu.com Limited [Member] |  |
Organization and Nature of Operations [Line Items] |  |
Percentage of outstanding equity capital held by the Company |  | 100.00%
Class A Ordinary Shares and Class B Ordinary Shares [Member] | Sohu Search [Member] | Tencent/Sohu Sogou Share Purchase [Member] |  |
Organization and Nature of Operations [Line Items] |  |
Sale of stock, price per share | $ 9.00 |

X
- Definition Organization and Nature of Operations [Line Items] + References No definition available. + Details
Name: | sohu_OrganizationAndNatureOfOperationsLineItems
Namespace Prefix: | sohu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ownership percentage held by parent company. + References No definition available. + Details
Name: | sohu_OwnershipPercentageHeldByParentCompany
Namespace Prefix: | sohu_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Voting power held by shareholders. + References No definition available. + Details
Name: | sohu_VotingPowerHeldByShareholders
Namespace Prefix: | sohu_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cash received on stock transaction after deduction of issuance costs. + References No definition available. + Details
Name: | us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=sohu_TencentSohuSogouSharePurchaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sohu_ChangyouComLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAxis=sohu_ChangyouMergerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sohu_ShareholdersOfLegalEntityAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=sohu_ClassAOrdinarySharesAndClassBOrdinarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sohu_SohuSearchMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |