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Discontinued Operations - Schedule Of Effective Income tax Rate Of Discontinued Operations (Detail)

12 Months Ended

Dec. 31, 2021

Dec. 31, 2020

Dec. 31, 2019

Effective Income Tax Rate Discontinued Operations Tax Rate Reconciliation

Statutory Rate:

25.00%

25.00%

25.00%

Sogou [Member]

Effective Income Tax Rate Discontinued Operations Tax Rate Reconciliation

Statutory Rate:

25.00%

^[1],[2]

25.00%

25.00%

Effect of tax holidays applicable to subsidiaries and consolidated VIEs

127.00%

^[1],[2]

(18.00%)

(2.00%)

Tax differential from statutory rate applicable to subsidiaries and consolidated VIEs

(90.00%)

^[1],[2]

(3.00%)

3.00%

Changes in valuation allowance for deferred tax assets

349.00%

^[1],[2]

(43.00%)

7.00%

Research and development super-deduction and other permanent book-tax differences

(249.00%)

^[1],[2]

35.00%

(25.00%)

Capital gains from equity investments

(175.00%)

^[1],[2]

1.00%

(5.00%)

Effective Income Tax Rate Discontinued Operations

(13.00%)

^[1],[2]

(3.00%)

3.00%

[1]	Includes the financial results of the discontinued operations from January 1, 2021 to September 23, 2021.
[2]	The changes in the effective tax rate for the period ended September 23, 2021 resulted from the lower income from discontinued operations before income tax expense.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.4)
-URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(2))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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