Represents the percentage of vesting of share-based compensation awards on the predefined Vesting Commencement Date.

No definition available.

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Namespace Prefix:	ntes_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of equal installments of vesting of share-based compensation awards from the predefined Vesting Commencement Date.

+ References

No definition available.

+ Details

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Namespace Prefix:	ntes_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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

+ Details

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

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_AwardTypeAxis=us-gaap_StockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ntes_CertainSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ntes_VestingOptionsAxis=ntes_VestingOptionOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ntes_VestingOptionsAxis=ntes_VestingOptionThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ntes_VestingOptionsAxis=ntes_VestingOptionFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ntes_VestingOptionsAxis=ntes_VestingOptionFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
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Share-based Compensation - Other Share Incentive Plan (Details) ¥ in Thousands	12 Months Ended
	Dec. 31, 2022 CNY (¥) installment	Dec. 31, 2021 CNY (¥)	Dec. 31, 2020 CNY (¥)
Share based Compensation
Share-based compensation \| ¥	¥ 3,174,160	¥ 3,041,492	¥ 2,663,489
Unrecognized share based compensation expenses relating to share options \| ¥	28,300
Stock Options
Share based Compensation
Share-based compensation \| ¥	¥ 327,900	¥ 528,200	¥ 117,700
Certain subsidiaries \| Stock Options \| Vesting option I
Share based Compensation
Percentage of vesting of equity awards on the predefined Vesting Commencement Date	100.00%
Certain subsidiaries \| Stock Options \| Vesting option III
Share based Compensation
Number of equal installments of vesting of equity awards from the predefined Vesting Commencement Date \| installment	3
Certain subsidiaries \| Stock Options \| Vesting option IV
Share based Compensation
Number of equal installments of vesting of equity awards from the predefined Vesting Commencement Date \| installment	4
Certain subsidiaries \| Stock Options \| Vesting option V
Share based Compensation
Number of equal installments of vesting of equity awards from the predefined Vesting Commencement Date \| installment	5
Certain subsidiaries \| Equal to or more than \| Stock Options
Share based Compensation
Expiration period	4 years
Certain subsidiaries \| Less than \| Stock Options
Share based Compensation
Expiration period	10 years