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Licensed Copyrights, Net - Schedule of Estimated Future Amortisation Expenses For Licensed Copyrights (Detail) - 12 months ended Dec. 31, 2023 ¥ in Millions, $ in Millions | CNY (¥) | USD ($)
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Licensed Copyrights [Abstract] |  |
Within 1 year | ¥ 3,087 | $ 435
Between 1 and 2 years | 1,572 | 221
Between 2 and 3 years | ¥ 1,052 | $ 148

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- Definition Licensed Copyrights + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Licensed Copyrights Expected Amortisation Greater Than One Year And Less Than Two Years + References No definition available. + Details
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Namespace Prefix: | bidu_
Data Type: | xbrli:monetaryItemType
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- Definition Licensed Copyrights Expected Amortisation Greater Than Two Years And Less Than Three Years + References No definition available. + Details
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Namespace Prefix: | bidu_
Data Type: | xbrli:monetaryItemType
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- Definition Licensed Copyrights Expected Amortisation Within One Year. + References No definition available. + Details
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Namespace Prefix: | bidu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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