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REVENUES | 12 Months Ended
--- | ---
Dec. 31, 2015
REVENUES. |
REVENUES | 13. REVENUES
|  | Years ended December 31, |
|  | 2013 |  | 2014 |  | 2015 |
|  | RMB |  | RMB |  | RMB |  | US$ |
Online marketing services |  | 612,565 |  | 1,322,612 |  | 3,244,130 |  | 500,807 |
Internet value-added services |  | 83,155 |  | 400,671 |  | 395,312 |  | 61,026 |
Internet security services and others |  | 54,191 |  | 40,296 |  | 44,987 |  | 6,945 |
|  | 749,911 |  | 1,763,579 |  | 3,684,429 |  | 568,778 |

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- Definition The entire disclosure for revenue at the end of the reporting period. + References No definition available. + Details
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Namespace Prefix: | cmcm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_SalesRevenueNetAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration