XML 69 R70.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Indefinite-Lived Intangible Assets (Detail) In Thousands, unless otherwise specified | Dec. 31, 2011 USD ($) | Dec. 31, 2011 CNY | Dec. 31, 2010 CNY | Dec. 31, 2011 Domain names USD ($) | Dec. 31, 2011 Domain names CNY | Dec. 31, 2010 Domain names CNY | Dec. 31, 2011 Trademarks USD ($) | Dec. 31, 2011 Trademarks CNY | Dec. 31, 2010 Trademarks CNY | Dec. 31, 2011 License USD ($) | Dec. 31, 2011 License CNY | Dec. 31, 2010 License CNY
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Indefinite-lived intangible assets |  |  |  | $ 1,487 | 9,360 | 9,360 | $ 564 | 3,550 | 1,050 | $ 318 | 2,000 | 0
Indefinite-lived intangible assets, gross | 2,369 | 14,910 | 10,410 |  |  |  |  |  |  |  |  |
Impairment loss | (397) | (2,500) | 0 |  |  |  |  |  |  |  |  |
Indefinite-lived intangible assets | $ 1,972 | 12,410 | 10,410 |  |  |  |  |  |  |  |  |

X
- Definition The amount of accumulated impairment loss as the reporting date resulting from the write-down of the carrying amount of an indefinite-lived intangible asset, other than goodwill, to fair value. + References No definition available. + Details
Name: | bidu_AccumulatedImpairmentOfIntangibleAssetsIndefiniteLivedExcludingGoodwill
Namespace Prefix: | bidu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Gross carrying amounts as of the balance sheet date of intangible assets, excluding goodwill, having a projected indefinite period of benefit. + References No definition available. + Details
Name: | bidu_IndefiniteLivedIntangibleAssetsGrossExcludingGoodwill
Namespace Prefix: | bidu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount of intangible assets, excluding goodwill, which have a projected indefinite period of benefit (hence are not amortized), allocated to the reportable segment. These assets, acquired either individually or as part of a group of assets, in either an asset acquisition or business combination, are assessed at least annually for impairment. Examples may include trade secrets, contractual rights, trade names, and licensing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275 + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Sum of the carrying amounts (original costs for current and prior period additions adjusted for impairment, if any) as of the balance sheet date of intangible assets, excluding goodwill, having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275 + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant