XML 83 R74.htm IDEA: XBRL DOCUMENT v3.20.2

Income Taxes - Additional Information (Detail) $ in Millions, ¥ in Billions	6 Months Ended
	Jun. 30, 2020 CNY (¥)	Jun. 30, 2019	Jun. 30, 2020 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%
Accrued withholding tax	¥ 1.8		$ 268
Undistributed earnings no withholding tax has accrued	¥ 147.3		$ 20,800
State Administration of Taxation, China [Member]
Income Taxes [Line Items]
Effective tax rate	56.00%	49.00%
Baidu HK
Income Taxes [Line Items]
Income tax rate	16.50%

X

- Definition

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

+ References

No definition available.

+ Details

Name:	bidu_CorporateIncomeTaxRate
Namespace Prefix:	bidu_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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.

+ Details

Name:	bidu_DeferredTaxLiabilityUndistributedForeignEarnings
Namespace Prefix:	bidu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Income Taxes [Line Items]

+ References

No definition available.

+ Details

Name:	bidu_IncomeTaxesLineItems
Namespace Prefix:	bidu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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.

+ Details

Name:	bidu_SpecialWithholdingTaxRateForDividend
Namespace Prefix:	bidu_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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.

+ Details

Name:	bidu_StatutoryWithholdingTaxRateForDividend
Namespace Prefix:	bidu_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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.

+ Details

Name:	bidu_UndistributedearningsOfForeignSubsidiariesAndVariableinterestEntities
Namespace Prefix:	bidu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: 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=84230637&loc=d3e32687-109319

+ Details

Name:	us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.4)
-URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817

Reference 2: 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=84230637&loc=d3e32687-109319

+ Details

Name:	us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_StateAdministrationOfTaxationChinaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=bidu_BaiduHongKongMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: