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

No definition available.

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- Definition

The amount of deferred tax liability accrued in the current period which attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.

+ References

No definition available.

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- Definition

Income Tax Holiday Expiration Year

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No definition available.

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- Definition

Represents the preferential tax rate applicable to entities entitled to the preferential tax treatment according to PRC government authorities.

+ References

No definition available.

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- Definition

Income Taxes [Line Items]

+ References

No definition available.

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- Definition

Net Operating Loss Carryforward Period

+ References

No definition available.

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- Definition

Net Operating Loss Carryforwards Begins To Expire

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No definition available.

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- Definition

The special withholding tax rate to which dividends paid by a foreign-invested enterprise onshore in China to any of its Hong Kong non-resident enterprise investors offshore are subject. These Hong Kong investors must meet the requirements stipulated by China's tax regulations.

+ References

No definition available.

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- Definition

Statutory Withholding Tax Rate For Capital Gains

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No definition available.

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- Definition

The statutory withholding tax rate to which dividends paid by a foreign-invested enterprise onshore China to any of its foreign non-resident enterprise investors offshore are subject.

+ References

No definition available.

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- Definition

Amount of undistributed earnings from the PRC subsidiaries and the VIEs for which no withholding tax has been accrued.

+ References

No definition available.

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- Definition

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
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-Publisher FASB
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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
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Income Taxes - Additional Information (Detail) $ in Millions, ¥ in Billions	12 Months Ended
	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2021 USD ($)
Income Taxes [Line Items]
Unified statutory income tax rate under current EIT law	25.00%	25.00%
PRC statutory withholding tax rate to which dividends paid by a FIE to any of its foreign non-resident enterprise investors	10.00%	10.00%
PRC special withholding tax rate to which dividends paid by a FIE to its foreign non-resident enterprise investors in Hong Kong	5.00%	5.00%
Statutory withholding tax rate for capital gains	10.00%	10.00%
Net losses deriving from entities in the PRC, Hong Kong and Japan	¥ 16.6				$ 2,600
Accrued withholding tax	1.9	$ 284
Undistributed earnings no withholding tax has accrued	¥ 165.5				$ 26,000
High And New Technology Enterprise
Income Taxes [Line Items]
A preferential enterprise income tax rate	15.00%	15.00%
Net operating loss carryforward period	10 years	10 years
PRC
Income Taxes [Line Items]
Net operating loss carryforward period	5 years	5 years
Net operating loss carryforwards begins to expire	2022	2022
Japan
Income Taxes [Line Items]
Net operating loss carryforward period	9 years	9 years
Baidu HK
Income Taxes [Line Items]
Income tax rate	16.50%	16.50%
Baidu Japan
Income Taxes [Line Items]
Income tax rate	31.00%	31.00%	31.00%	31.00%
Certain PRC Subsidiaries and VIEs \| High And New Technology Enterprise
Income Taxes [Line Items]
A preferential enterprise income tax rate	15.00%	15.00%
Certain PRC Subsidiaries and VIEs \| High And New Technology Enterprise \| Expiration Period Two
Income Taxes [Line Items]
Tax holiday, expiration year	2022	2022
Certain PRC Subsidiaries and VIEs \| High And New Technology Enterprise \| Expiration Period Three
Income Taxes [Line Items]
Tax holiday, expiration year	2023	2023