Document and Entity Information Document Information [Table] Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact [Member] Business Contact Class of Stock [Axis] Class of Stock [Domain] Adr [Member] American Depositary Shares Common Stock [Member] Ordinary shares Document Information [Line Items] Document and Entity Information Document Type Document Registration Statement Document Annual Report Document Period End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Transition Report Document Shell Company Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, Postal Zip Code Entity Address, Country Contact Personnel Name Country Region Local Phone Number Contact Personnel Email Address Title of 12(b) Security Trading Symbol No Trading Symbol Flag Security Exchange Name Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Emerging Growth Company ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Document Accounting Standard Entity Shell Company Amendment Flag Auditor Firm ID Auditor Name Auditor Location Entity Central Index Key Document Fiscal Period Focus Consolidated Balance Sheets Statement [Table] Statement Financial Instruments Restricted Net Assets Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash at bank and demand deposits Amount of certificate of deposits or savings account held by a bank or other financial institution for a short-term specified period of time. These investments generally have original maturities of three months or more but less than a year. Short-Term Time Deposits Time deposits Restricted Cash, Current Restricted cash Accounts Receivable, Net, Current Accounts receivable, net Inventory, Net Inventories Prepaid Expense and Other Assets, Current Prepayments and other current assets, net Prepayments and other current assets Short-term Investments. Short-term investments Assets, Current Total current assets Assets, Noncurrent [Abstract] Non-current assets: Property, Plant and Equipment, Net Property, equipment and software, net Net book value The amount of an acquired contractual arrangement associated with the use of land minus accumulated amortization. Land Use Right Land use rights, net Operating Lease, Right-of-Use Asset Land use rights with total carrying amount Operating lease right-of-use assets, net Deferred Income Tax Assets, Net Deferred tax assets Amount of certificate of deposits or savings account held by a bank or other financial institution for a long-term specified period of time. These investments generally have original maturities of more than a year. Long-Term Time Deposits Time deposits Restricted Cash, Noncurrent Restricted cash Long-Term Investments. Long-term investments Total Other Assets, Noncurrent Other long-term assets Total Other long-term assets Assets, Noncurrent Total non-current assets Assets Total assets Liabilities and Equity [Abstract] Liabilities, Redeemable noncontrolling interests and Shareholders' equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Employee-related Liabilities, Current Salary and welfare payables Taxes Payable, Current Taxes payable Total taxes payable Short-term Bank Loans and Notes Payable Short-term loans Contract with Customer, Liability, Current Contract liabilities Accrued Liabilities, Current Accrued liabilities and other payables Total accrued liabilities and other payables Operating Lease, Liability, Current Short-term operating lease liabilities Liabilities, Current Total current liabilities Liabilities, Noncurrent [Abstract] Non-current liabilities: Deferred Income Tax Liabilities, Net Deferred tax liabilities Operating Lease, Liability, Noncurrent Long-term operating lease liabilities Long-term Debt, Excluding Current Maturities Long-term loans Other Liabilities, Noncurrent Other long-term liabilities Liabilities, Noncurrent Total non-current liabilities Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount Redeemable noncontrolling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Shareholders' equity: Common Stock, Value, Issued Ordinary shares, US$0.0001 par value: 1,000,300,000,000 shares authorized, 3,219,564,581 shares issued as of December 31, 2024 and 2025; 3,167,959,016 and 3,192,111,251 shares outstanding as of December 31, 2024 and 2025, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Treasury Stock, Value Treasury stock The amount of certain non-distributable statutory reserves in accordance with laws applicable to the reporting entity, its subsidiaries and consolidated VIEs. The reporting entity and its subsidiaries have to make appropriations from its after-tax profit. Statutory Reserves Statutory reserves Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income/(loss) Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent NetEase, Inc.'s shareholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total equity Liabilities and Equity Total liabilities, redeemable noncontrolling interests and shareholders' equity Common Stock, Par or Stated Value Per Share Ordinary shares, par value (in dollars per share) Common Stock, Shares Authorized Ordinary shares, shares authorized Common Stock, Shares, Issued Ordinary shares, shares issued Common Stock, Shares, Outstanding Balance (in shares) Balance (in shares) Ordinary shares, shares outstanding Consolidated Statements of Operations and Comprehensive Income Revenue from Contract with Customer, Excluding Assessed Tax Net revenues Total net revenues Cost of Goods and Services Sold Total cost of revenues Cost of revenues Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Selling and Marketing Expense Selling and marketing expenses General and Administrative Expense General and administrative expenses Research and Development Expense Research and development expenses Operating Expenses Total operating expenses Operating Income (Loss) Operating profit Nonoperating Income (Expense) [Abstract] Other income/(expenses): Investment Income, Net Investment income, net Interest Income, Deposits with Financial Institutions Interest income, net Foreign Currency Transaction Gain (Loss), before Tax Exchange (losses)/gains, net Other Nonoperating Income (Expense) Other, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before tax Income Tax Expense (Benefit) Income tax Effective income tax rate Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Temporary Equity, Accretion to Redemption Value, Adjustment Accretion of redeemable noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net loss/(income) attributable to noncontrolling interests and redeemable noncontrolling interests Net Income (Loss) Available to Common Stockholders, Basic Net income attributable to the Company's shareholders for basic net income per share calculation Net income attributable to the Company's shareholders Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustment Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive income Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest Comprehensive loss/(income) attributable to noncontrolling interests and redeemable noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to the Company's shareholders Earnings Per Share, Basic Net income per share, basic (RMB) Net income per share, basic (in CNY and dollars per share) Earnings Per Share, Diluted Net income per share, diluted (RMB) Net income per share, diluted (in CNY and dollars per share) The amount of net income (loss) for the period per each American depositary share of common stock or unit outstanding during the reporting period. Earnings Per American Depositary Share, Basic Net income per ADS, basic (in CNY and dollars per share) The amount of net income (loss) for the period available to each American depositary share of common stock or common unit outstanding during the reporting period and to each American depositary share or unit that would have been outstanding assuming the issuance of common American depositary shares or units for all dilutive potential American depositary common shares or units outstanding during the reporting period. Earnings Per American Depositary Share, Diluted Net income per ADS, diluted (in CNY and dollars per share) Weighted Average Number of Shares Outstanding, Basic Weighted average number of ordinary shares outstanding, basic (in shares) Number of basic American depositary shares or units after adjustment, for contingently issuable American depositary shares or units and other American depositary shares or units not deemed outstanding, which is determined by relating the portion of time within a reporting period that American depositary shares or units have been outstanding to the total time in that period. Weighted Average Number of American Depositary Shares Outstanding, Basic Weighted average number of ADS outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average number of ordinary shares outstanding, diluted (in shares) Weighted average number of ordinary shares outstanding, diluted (in shares) The average number of American depositary shares or units issued and outstanding that is used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of the issuance of American depositary shares or units in the period. Weighted Average Number of Diluted American Depositary, Shares Outstanding Weighted average number of ADS outstanding, diluted (in shares) Consolidated Statements of Shareholders' Equity Equity Components [Axis] Equity Component [Domain] Additional Paid-in Capital [Member] Additional paid-in capital Treasury Stock [Member] Treasury stock This member stands for statutory reserves. Statutory Reserves [Member] Statutory reserves Accumulated Other Comprehensive Income [Member] Accumulated other comprehensive income/(loss) Retained Earnings [Member] Retained earnings Noncontrolling Interest [Member] Noncontrolling interests Treasury Stock, Common, Shares Balance (in shares) Balance (in shares) Equity impact from vesting of restricted share units. Vesting of Restricted Share Units, Value Vesting of restricted share units Number of shares issued or treasury stock used when vesting restricted share units. Vesting of Restricted Share Units, Shares Vesting of restricted share units (in shares) Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Share-based compensation The amount of certain non-distributable statutory reserves in accordance with laws applicable to the countries in which the reporting entity's subsidiaries and variable interest entities operate. Appropriation to statutory reserves Appropriation to statutory reserves Net income/(loss) attributable to the Company, noncontrolling and redeemable noncontrolling interest shareholders. Net Income/(Loss) attributable to the Company, Noncontrolling and Redeemable Noncontrolling Interest Shareholders Net income/(loss) attributable to the Company and noncontrolling interest shareholders Treasury Stock, Value, Acquired, Cost Method Repurchase of shares Value of shares repurchased Treasury Stock, Shares, Acquired Repurchase of shares (in shares) Shares repurchased (in shares) Equity impact of the value of cancellation of repurchased shares. Cancellation of Repurchased Shares During Period, Value Cancellation of repurchased shares Number of shares that have been repurchased and cancelled during the period. Cancellation of Repurchased Shares During Period, Shares Cancellation of repurchased shares (in shares) The amount of increase in noncontrolling interest from injections of capital from non-controlling shareholders. Minority Interest Increase from Capital Contributions Net change of capital from noncontrolling interest shareholders Amount of increase in noncontrolling interest from reclassification of temporary equity. Noncontrolling Interest, Increase from Temporary Equity Reclassification Reclassification from mezzanine equity to noncontrolling interest shareholders Dividends, Common Stock, Cash Dividends to shareholders Cash dividend declared Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Foreign currency translation adjustment Amount of increase (decrease) in equity for accretion of redeemable noncontrolling interests. Accretion of Redeemable Noncontrolling Interests Accretion of redeemable noncontrolling interests Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, Depletion and Amortization Depreciation and amortization The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of equity investments, other investments and financial instruments. Fair Value Changes of Equity Investments, Other Investments and Financial Instruments Fair value changes of equity security, other investments and financial instruments Asset Impairment Charges Impairment losses on investments Share-based Compensation. Share-based compensation cost Amount of allowance for expected credit losses, adjustments to reconcile net income (loss) to cash provided by (used in) operating activities. Allowance for Expected Credit Losses Allowance for expected credit losses Gain (Loss) on Disposition of Property Plant Equipment Losses/(gains) on disposal of property, equipment and software Foreign Currency Transaction Gain (Loss), Unrealized Unrealized exchange losses/(gains) Amount of gain (loss) on sale or disposal of investments, business, subsidiaries and other financial instruments. Gain (Loss) on Disposal of Investments, Business, Subsidiaries and Other Financial Instruments Gains on disposal of long-term investments, business, subsidiaries and other financial instruments Deferred Income Taxes and Tax Credits Deferred income taxes Amount of income (loss) for proportionate share of equity method investee's income (loss) and revaluation gains from previously held equity interest. Income (Loss) from Equity Method Investments and Revaluation Gains From Previously Held Equity Interest Share of results on equity method investees and revaluation results from previously held equity interest Amount of expense (income) related to adjustment to fair value of short-term investments. Fair Value Changes Of Short-Term Investments Fair value changes of short-term investments Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expense and Other Assets Prepayments and other assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Employee Related Liabilities Salary and welfare payables Increase (Decrease) in Accrued Taxes Payable Taxes payable Increase (Decrease) in Contract with Customer, Liability Contract liabilities Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Accrued liabilities and other payables Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net cash (used in)/provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Purchase of property, equipment and software Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of property, equipment and software Payments to Acquire Intangible Assets Purchase of intangible assets, content and licensed copyrights