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Finite-Lived Intangible Assets (Detail) In Thousands, unless otherwise specified | Dec. 31, 2011 USD ($) | Dec. 31, 2011 CNY | Dec. 31, 2010 CNY | Dec. 31, 2011 Land use right USD ($) | Dec. 31, 2011 Land use right CNY | Dec. 31, 2010 Land use right CNY | Dec. 31, 2011 Customer relationships USD ($) | Dec. 31, 2011 Customer relationships CNY | Dec. 31, 2010 Customer relationships CNY | Dec. 31, 2011 Software USD ($) | Dec. 31, 2011 Software CNY | Dec. 31, 2010 Software CNY | Dec. 31, 2011 Trademarks USD ($) | Dec. 31, 2011 Trademarks CNY | Dec. 31, 2010 Trademarks CNY | Dec. 31, 2011 Others USD ($) | Dec. 31, 2011 Others CNY | Dec. 31, 2010 Others CNY | Dec. 31, 2011 User List USD ($) | Dec. 31, 2011 User List CNY
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Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible assets, gross carrying value |  | 1,037,608 | 159,190 |  | 223,309 | 97,611 |  | 254,169 | 31,408 |  | 44,350 | 12,131 |  | 320,527 | 1,727 |  | 37,183 | 16,313 |  | 158,070
Finite-lived intangible assets, accumulated amortization |  | (115,967) | (53,802) |  | (11,252) | (6,995) |  | (40,168) | (26,870) |  | (7,465) | (3,572) |  | (14,567) | (248) |  | (19,097) | (16,117) |  | (23,418)
Finite-lived intangible assets, impairment loss |  | (5,540) |  |  | 0 |  |  | (1,031) |  |  | (3,424) |  |  | 0 |  |  | (1,085) |  |  | 0
Finite-lived intangible assets, net carrying value | $ 145,554 | 916,101 | 105,388 | $ 33,692 | 212,057 | 90,616 | $ 33,838 | 212,970 | 4,538 | $ 5,316 | 33,461 | 8,559 | $ 48,612 | 305,960 | 1,479 | $ 2,702 | 17,001 | 196 | $ 21,394 | 134,652

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- Definition The amount of accumulated impairment loss as the reporting date resulting from the write-down of the carrying amount of an definite-lived intangible asset to fair value. + References No definition available. + Details
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- Definition The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275 + Details
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- Definition Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275 + Details
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- Definition The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275 + Details
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