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: