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v2.4.1.9

Weighted Average Useful Lives from Date of Purchase of Intangible Assets (Detail) | 12 Months Ended
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Dec. 31, 2014
Land use right |
Finite-Lived Intangible Assets [Line Items] |
Finite-lived intangible asset weighted average useful life | 50 years
Customer relationships |
Finite-Lived Intangible Assets [Line Items] |
Finite-lived intangible asset weighted average useful life | 5 years 6 months
Software |
Finite-Lived Intangible Assets [Line Items] |
Finite-lived intangible asset weighted average useful life | 4 years 2 months 12 days
Trademarks |
Finite-Lived Intangible Assets [Line Items] |
Finite-lived intangible asset weighted average useful life | 9 years 9 months 18 days
User list |
Finite-Lived Intangible Assets [Line Items] |
Finite-lived intangible asset weighted average useful life | 3 years 4 months 24 days
Licensed copyrights of video contents |
Finite-Lived Intangible Assets [Line Items] |
Finite-lived intangible asset weighted average useful life | 3 years 4 months 24 days
Others |
Finite-Lived Intangible Assets [Line Items] |
Finite-lived intangible asset weighted average useful life | 5 years 10 months 24 days

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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