XML 78 R68.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Organization and principal activities (Schedule of Details of Subsidiaries, VIEs and VIE's Subsidiary) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2016
Shanghai Yilian Equity Investment Partnership LP [Member] |
Subsidiaries, VIEs and VIE's subsidiary [Line Items] |
% of direct or indirect economic ownership | 93.50%
Zhuhai Huanju Huyu Technology Co., Ltd. [Member] |
Subsidiaries, VIEs and VIE's subsidiary [Line Items] |
% of direct or indirect economic ownership | 100.00%
Guangzhou Huya Technology Co., Ltd. [Member] |
Subsidiaries, VIEs and VIE's subsidiary [Line Items] |
% of direct or indirect economic ownership | 100.00%
Guangzhou Huaduo [Member] |
Subsidiaries, VIEs and VIE's subsidiary [Line Items] |
% of direct or indirect economic ownership | 100.00%
Duowan Entertainment Corporation [Member] |
Subsidiaries, VIEs and VIE's subsidiary [Line Items] |
% of direct or indirect economic ownership | 100.00%
Huanju Shidai Technology Beijing Company Limited [Member] |
Subsidiaries, VIEs and VIE's subsidiary [Line Items] |
% of direct or indirect economic ownership | 100.00%
Zhuhai Duowan or Guangzhou Duowan [Member] |
Subsidiaries, VIEs and VIE's subsidiary [Line Items] |
% of direct or indirect economic ownership | 100.00%
Guangzhou Huanju Shidai [Member] |
Subsidiaries, VIEs and VIE's subsidiary [Line Items] |
% of direct or indirect economic ownership | 100.00%
Engage Capital Partners I LP [Member] |
Subsidiaries, VIEs and VIE's subsidiary [Line Items] |
% of direct or indirect economic ownership | 93.50%

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64801991&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | yy_OrganizationAndPrincipalActivitiesLineItems
Namespace Prefix: | yy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | yy_SubsidiariesOfVariableInterestEntitiesByClassificationOfEntityAxis=yy_ShanghaiYilianEquityInvestmentPartnershipLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | yy_SubsidiariesOfVariableInterestEntitiesByClassificationOfEntityAxis=yy_ZhuhaiHuanjuHuyuTechnologyCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | yy_SubsidiariesOfVariableInterestEntitiesByClassificationOfEntityAxis=yy_GuangzhouHuyaTechnologyCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=yy_GuangzhouHuaduoNetworkTechnologyCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=yy_DuowanEntertainmentCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=yy_HuanjuShidaiTechnologyBeijingCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=yy_ZhuhaiDuowanInformationTechnologyCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=yy_GuangzhouHuanjuShidaiInformationTechnologyCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=yy_EngageCapitalPartnersILPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |