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Interim Condensed Consolidated Statements Of Comprehensive Income (Parenthetical) | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
Class A Ordinary Shares |  |
Number of American depositary shares (ADSs) representing one Class A ordinary share | 10 | 10

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- Definition The number of American Depositary Shares ("ADSs") that represents one Class A ordinary share. + References No definition available. + Details
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Namespace Prefix: | bidu_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |