XML 63 R37.htm IDEA: XBRL DOCUMENT
v3.3.1.900

INVESTMENTS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Schedule of available for sale securities |
|  | As of December 31, 2014 |
|  | Amortized Cost |  | Gross unrealized gains |  | Gross unrealized Losses |  | Fair value |  | Fair value |
|  | RMB |  | RMB |  | RMB |  | RMB |  | US$ |
Available-for-sale equity security |  | 48,952 |  | 6,788 |  | — |  | 55,740 |  | 8,605 |
|  | As of December 31, 2015 |
|  | Amortized Cost |  | Gross unrealized gains |  | Gross unrealized Losses |  | Fair value |  | Fair value |
|  | RMB |  | RMB |  | RMB |  | RMB |  | US$ |
Available-for-sale equity security |  | 24,555 |  | 21,818 |  | — |  | 46,373 |  | 7,158 |
Short-term investments |
Schedule of Investments |
|  | As of December 31, 2014 |
|  | Amortized Cost |  | Gross unrealized gains |  | Gross unrealized Losses |  | Fair value |
|  | RMB |  | RMB |  | RMB |  | RMB |
Short-term investments: |  |  |  |  |  |  |  |  |
Available-for-sale equity security |  | 6,913 |  | — |  | — |  | 6,913 |
Available-for-sale debt securities |  | 67,309 |  | 11,069 |  | — |  | 78,378 |
Total |  | 74,222 |  | 11,069 |  | — |  | 85,291 |
Long-term investments |
Schedule of Investments |
|  | As of December 31, |
|  | 201 4 |  | 201 5 |
|  | RMB |  | RMB |  | US$ |
Cost method investments |  | 151,395 |  | 652,124 |  | 100,671 |
Equity method investments |  | 131,707 |  | 199,723 |  | 30,832 |
Available-for-sale equity securities |  | 55,740 |  | 46,373 |  | 7,158 |
Total |  | 338,842 |  | 898,220 |  | 138,661 |

X
- Definition Tabular disclosure of data and information required in the supplementary schedule applicable to management investment companies listing holdings of unaffiliated investments. + References No definition available. + Details
Name: | us-gaap_InvestmentHoldingsScheduleOfInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_ShortTermInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=cmcm_LongTermInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |