XML 85 R68.htm IDEA: XBRL DOCUMENT
v3.21.1

Concentrations and Risks (Details) | 12 Months Ended
--- | ---
Dec. 31, 2020 item customer | Dec. 31, 2019 customer item | Dec. 31, 2018 item customer
Service providers | Server and bandwidth service provider |  |  |
Concentrations and Risks |  |  |
Total number of telecommunications service providers | 87 | 79 | 49
Number of service providers provided by 10% or more of the Group's server and bandwidth service expenditure | 3 | 2 | 3
Concentration risk (as a percent) | 62.30% | 56.30% | 57.80%
Service providers | Server and bandwidth service provider | Equal to or more than |  |  |
Concentrations and Risks |  |  |
Threshold for disclosure of risk (as a percent) | 10.00% | 10.00% | 10.00%
Accounts receivable | Credit risk |  |  |
Concentrations and Risks |  |  |
Number of distribution channel | 1 | 1 |
Accounts receivable | Credit risk | Distribution channel A |  |  |
Concentrations and Risks |  |  |
Concentration risk (as a percent) | 24.50% | 24.70% |
Accounts receivable | Credit risk | Equal to or more than |  |  |
Concentrations and Risks |  |  |
Threshold for disclosure of risk (as a percent) | 10.00% | 10.00% |
Total net revenues | Major customers |  |  |
Concentrations and Risks |  |  |
Number of customers | customer | 0 | 0 | 0
Total net revenues | Major customers | Equal to or more than |  |  |
Concentrations and Risks |  |  |
Threshold for disclosure of risk (as a percent) | 10.00% | 10.00% | 10.00%
Total net revenues | Top 5 online games |  |  |
Concentrations and Risks |  |  |
Concentration risk (as a percent) | 33.10% | 36.80% | 39.60%
Top online games | 5 | 5 | 5
Total net game revenues | Mobile games |  |  |
Concentrations and Risks |  |  |
Concentration risk (as a percent) | 71.90% | 71.40% | 71.00%
Short-term investments | Credit risk | Equal to or more than |  |  |
Concentrations and Risks |  |  |
Effective yields of short-term investments | 2.00% |  |
Short-term investments | Credit risk | Less than |  |  |
Concentrations and Risks |  |  |
Effective yields of short-term investments | 4.25% |  |

X
- Definition For an entity that discloses a concentration risk in relation to number of customers. + References No definition available. + Details
Name: | ntes_ConcentrationRiskNumberOfCustomers
Namespace Prefix: | ntes_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to number of distribution channels. + References No definition available. + Details
Name: | ntes_ConcentrationRiskNumberOfDistributionChannels
Namespace Prefix: | ntes_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of major telecommunications service providers providing bandwidth and server custody service. + References No definition available. + Details
Name: | ntes_NumberOfMajorServiceProviders
Namespace Prefix: | ntes_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the total number of telecommunications service providers providing bandwidth and server custody service. + References No definition available. + Details
Name: | ntes_NumberOfServiceProviders
Namespace Prefix: | ntes_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of top online games. + References No definition available. + Details
Name: | ntes_NumberOfTopOnlineGames
Namespace Prefix: | ntes_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold percentage which the entity uses for disclosure. + References No definition available. + Details
Name: | ntes_ThresholdForDisclosurePercentage
Namespace Prefix: | ntes_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ConcentrationRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rate of interest on investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
Name: | us-gaap_InvestmentInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=ntes_ServiceProviderMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_SupplierConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CreditConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=ntes_DistributionChannelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=ntes_ProductConcentrationRiskOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=ntes_GameRevenuesNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=ntes_ProductConcentrationRiskTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |