Represents the number of preceding years considered for estimating the forfeiture under the share-based compensation plan.

No definition available.

+ Details

Name:	ntes_ShareBasedCompensationArrangementByShareBasedPaymentAwardEstimationOfForfeituresNumberOfPrecedingYears
Namespace Prefix:	ntes_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_PlanNameAxis=ntes_RestrictedShareUnit2009PlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=ntes_RestrictedShareUnit2019PlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Share-based Compensation - Restricted Share Units Plan (Details) - shares		1 Months Ended	12 Months Ended
	Nov. 17, 2009	Oct. 31, 2019	Dec. 31, 2022	Nov. 30, 2009
Share based Compensation
Number of preceding years considered for estimating forfeiture			5 years
2009 Restricted Share Unit Plan
Share based Compensation
Number of ordinary shares reserved for issuance under the plan				323,694,050
Term of plan	10 years
2019 Restricted Share Unit Plan
Share based Compensation
Number of ordinary shares reserved for issuance under the plan		322,458,300
Term of plan		10 years