Long-term investments in period.

No definition available.

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Namespace Prefix:	sohu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Principal Amount of Advanced Additional Loan

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Publisher FASB
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph (a)
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of portion of long-term loans payable due within one year or the operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Details

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- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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Namespace Prefix:
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- Details

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Related Party Transactions (Details) ¥ in Millions, $ in Millions	1 Months Ended
	Feb. 28, 2016 USD ($)	Apr. 30, 2015 USD ($)	Aug. 31, 2014 USD ($)	Dec. 31, 2021 USD ($)	Jan. 31, 2019 USD ($)	Jan. 31, 2019 CNY (¥)
Related Party Transaction [Line Items]
Net loan receivables amount				$ 7.6
Changyou [Member] \| Fox Financial Technology Group Limited [Member]
Related Party Transaction [Line Items]
Principal Amount of Advanced Additional Loan					$ 1.2	¥ 8.2
Expected credit loss				3.3
Changyou [Member] \| Prepaid Expenses And Other Current Asset \| Fox Financial Technology Group Limited [Member]
Related Party Transaction [Line Items]
Net loan receivables amount				34.1
Changyou [Member] \| Other \| Fox Financial Technology Group Limited [Member]
Related Party Transaction [Line Items]
Loans payable to related parities				$ 34.1
Sohu [Member] \| Fox Financial Technology Group Limited [Member]
Related Party Transaction [Line Items]
Investment amount in period	$ 10.5	$ 16.1	$ 4.8