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

Income tax preferential period for entities entitled to the preferential tax treatment according to PRC government authorities.

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No definition available.

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

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No definition available.

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- Definition

Income Taxes [Line Items]

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No definition available.

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- Definition

Net Operating Loss Carryforward Period

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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

The maximum number of years after each fiscal year during which tax authorities could conduct examinations of an entity's tax filings.

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No definition available.

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- Definition

Amount of undistributed earnings of foreign subsidiaries and variable interest entities intended to be permanently reinvested outside the country of domicile.

+ 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I)
-URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

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Income Taxes - Additional Information (Detail) ¥ in Millions, $ in Billions	12 Months Ended				36 Months Ended
	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2013 CNY (¥)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2019 USD ($)
Income Taxes [Line Items]
Unified statutory income tax rate under current EIT law	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%
PRC special withholding tax rate to which dividends paid by a FIE to its foreign non-resident enterprise investors in Hong Kong	5.00%
Statutory withholding tax rate for capital gains	10.00%
Net losses deriving from entities in the PRC, Hong Kong and Japan	¥ 9,900				¥ 9,900	$ 1.4
Accrued withholding tax	1,000			¥ 581
Undistributed earnings no withholding tax has accrued	¥ 145,900				¥ 145,900	$ 21.0
High And New Technology Enterprise
Income Taxes [Line Items]
A preferential enterprise income tax rate	15.00%
Preferential enterprise income tax rate, effective period	3 years
Net operating loss carryforward period	10 years
Key Software Enterprise
Income Taxes [Line Items]
A preferential enterprise income tax rate	10.00%
PRC
Income Taxes [Line Items]
Net operating loss carryforward period	5 years
Net operating loss carryforwards begins to expire	2020
PRC \| Maximum
Income Taxes [Line Items]
Time period that tax authorities could conduct examinations of entity's tax filings	5 years
PRC \| Earliest Tax Year
Income Taxes [Line Items]
Tax years remain open to examination by respective taxing jurisdictions	2014
PRC \| Latest Tax Year
Income Taxes [Line Items]
Tax years remain open to examination by respective taxing jurisdictions	2019
Japan
Income Taxes [Line Items]
Net operating loss carryforward period	9 years
Net operating loss carryforwards begins to expire	2020
Baidu HK
Income Taxes [Line Items]
Income tax rate	16.50%
Baidu Japan
Income Taxes [Line Items]
Income tax rate	31.00%	31.00%	32.00%
Baidu Online \| Key Software Enterprise
Income Taxes [Line Items]
A preferential enterprise income tax rate		10.00%	10.00%
Baidu China \| Key Software Enterprise
Income Taxes [Line Items]
A preferential enterprise income tax rate		10.00%	10.00%
Baidu International \| Key Software Enterprise
Income Taxes [Line Items]
A preferential enterprise income tax rate		10.00%	10.00%
Certain PRC Subsidiaries and VIEs \| High And New Technology Enterprise
Income Taxes [Line Items]
A preferential enterprise income tax rate					15.00%
Certain PRC Subsidiaries and VIEs \| High And New Technology Enterprise \| Expiration Period One
Income Taxes [Line Items]
Tax holiday, expiration year	2020
Certain PRC Subsidiaries and VIEs \| High And New Technology Enterprise \| Expiration Period Two
Income Taxes [Line Items]
Tax holiday, expiration year	2021
Certain PRC Subsidiaries and VIEs \| High And New Technology Enterprise \| Expiration Period Three
Income Taxes [Line Items]
Tax holiday, expiration year	2022