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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% |  |

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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. + Details
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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. + Details
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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. + Details
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- 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
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