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v3.24.0.1

Estimated Useful Lives of Fixed Assets (Detail) | 12 Months Ended
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Dec. 31, 2023
Office building | Minimum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 43 years
Office building | Maximum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 45 years
Office building related facility, machinery and equipment | Minimum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 10 years
Office building related facility, machinery and equipment | Maximum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 15 years
Computer equipment | Minimum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 3 years
Computer equipment | Maximum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 5 years
Office equipment | Minimum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 3 years
Office equipment | Maximum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 5 years
Vehicles |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 5 years
Leasehold improvements |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life (description) | over the shorter of lease terms or estimated useful lives of the assets

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- Definition Property plant and equipment useful life description of term. + References No definition available. + Details
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Namespace Prefix: | bidu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ComputerEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Data Type: | na
Balance Type: |
Period Type: |