XML 139 R120.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Tax Holiday Benefit Per Basic and Diluted Earnings per share (Detail) - ¥ / shares | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Income Tax Disclosure [Abstract] |  |
Basic | ¥ 0.003 | ¥ 0.006
Diluted | ¥ 0.003 | ¥ 0.006

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration

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- Definition Effect Of Tax Holiday On Earnings Per Share Basic + References No definition available. + Details
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Namespace Prefix: | vnet_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Effect Of Tax Holiday On Earnings Per Share Diluted + References No definition available. + Details
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Namespace Prefix: | vnet_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration