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v2.4.1.9

Changes in Carrying Amount of Goodwill (Detail) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 USD ($) | Dec. 31, 2014 CNY | Dec. 31, 2013 CNY | Dec. 31, 2012 CNY
Goodwill [Roll Forward] |  |  |  |
Balance as of January 1 | $ 2,718,040 us-gaap_Goodwill | 16,864,350 us-gaap_Goodwill | 3,877,564 us-gaap_Goodwill | 2,419,542 us-gaap_Goodwill
Goodwill acquired | 89,376 us-gaap_GoodwillAcquiredDuringPeriod | 554,541 us-gaap_GoodwillAcquiredDuringPeriod | 12,986,790 us-gaap_GoodwillAcquiredDuringPeriod | 1,458,023 us-gaap_GoodwillAcquiredDuringPeriod
Foreign currency translation adjustment | 0 us-gaap_GoodwillTranslationAdjustments | 4 us-gaap_GoodwillTranslationAdjustments | (4)us-gaap_GoodwillTranslationAdjustments | (1)us-gaap_GoodwillTranslationAdjustments
Balance as of December 31 | $ 2,807,416 us-gaap_Goodwill | 17,418,895 us-gaap_Goodwill | 16,864,350 us-gaap_Goodwill | 3,877,564 us-gaap_Goodwill

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Details
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X
- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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