XML 101 R100.htm IDEA: XBRL DOCUMENT
v2.4.0.6

SUBSEQUENT EVENTS - Additional Information (Detail) (Subsequent Event [Member]) In Millions, unless otherwise specified | Feb. 08, 2012 Amount Received USD ($) | Feb. 08, 2012 Amount Received CNY | Feb. 08, 2012 Total Amount to be Granted USD ($) | Feb. 08, 2012 Total Amount to be Granted CNY
--- | --- | --- | --- | ---
Subsequent Event [Line Items] |  |  |  |
Government subsidy | $ 23.83 | 150.00 | $ 63.55 | 400.00

X
- Definition The amount of government subsidies. + References No definition available. + Details
Name: | bidu_GovernmentSubsidy
Namespace Prefix: | bidu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration