Document and Entity Information Document Information [Table] Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact Business Contact Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Ordinary share Ordinary shares Class of Stock [Axis] Class of Stock [Domain] Class A ordinary shares Class A ordinary shares Class B ordinary shares Class B ordinary shares Document Information [Line Items] Document and Entity Information Entity Registrant Name Document Registration Statement Document Annual Report Document Transition Report Document Shell Company Report Entity Central Index Key Document Type Document Period End Date Entity File Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, Country Entity Address, Postal Zip Code Contact Personnel Name Country Region City Area Code Entity Incorporation, State or Country Code Local Phone Number Contact Personnel Email Address Title of 12(b) Security Trading Symbol Security Exchange Name Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Emerging Growth Company Entity Filer Category Entity Shell Company Entity Common Stock, Shares Outstanding Document Accounting Standard Document Fiscal Year Focus Document Fiscal Period Focus ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Auditor Name Auditor Firm ID Auditor Location CONSOLIDATED BALANCE SHEETS Statement [Table] Related Party [Axis] Related Party [Domain] Related Party Related Party Nonrelated Party [Member] Nonrelated Party Statement [Line Items] Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash, cash equivalents, end of year Cash, cash equivalents, beginning of year Cash and cash equivalents Restricted Cash and Cash Equivalents, Current Restricted cash Accounts Receivable, Net, Current Accounts receivable, net Accounts receivable, net Financing Receivable, after Allowance for Credit Loss, Current Financing receivables, net Short-term Investments Short-term investment (including the fair value measured investments of RMB3,533,370 and RMB5,908,915 as of December 31, 2024 and 2025, respectively) Short-term investment Inventory, Net Inventories Prepaid Supplies Advances to suppliers Prepaid Expense and Other Assets, Current Prepayments and other current assets Total Due from Related Parties, Current Amounts due from related parties Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] Assets, Current Total current assets Amount of investment in equity method investee and investment in and advance to affiliate. Investment in Equity Investees Investments in equity investees Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Amount of legal rights after accumulated amortization to use or benefit from the use of land. Land Use Rights, Net. Land use rights, net Land use rights, net Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Goodwill. Goodwill Deferred Income Tax Assets, Net Deferred tax assets Long-term Investments Long-term investment Amount, after allowance for credit loss, of financing receivable, classified as noncurrent. Financing Receivables, After Allowance For Credit Losses, Non Current Long-term financing receivables, net Other Assets, Noncurrent Other non-current assets Other non-current assets Other Receivable, after Allowance for Credit Loss, Noncurrent Amounts due from related parties-non current Assets TOTAL ASSETS Liabilities and Equity [Abstract] LIABILITIES AND EQUITY Liabilities, Current [Abstract] Current liabilities (including amounts of the consolidated VIE without recourse to ZTO Express (Cayman) Inc. See Note 2(b)) Current liabilities: Short-term Debt Short-term bank borrowings Accounts Payable, Trade, Current Accounts payable Contract with Customer, Liability, Current Advances from customers Accrued Income Taxes, Current Income tax payable Operating Lease, Liability, Current Operating lease liabilities, current Less: Current operating lease liabilities Current operating lease liabilities Dividends Payable, Current Dividends payable Convertible Notes Payable, Current Convertible senior notes Other Liabilities, Current Other current liability Other current liabilities Total Amounts due to related parties Liabilities, Current Total current liabilities Loans Payable to Bank, Noncurrent Long-term bank borrowings Operating Lease, Liability, Noncurrent Long-term operating lease liabilities Non-current operating lease liabilities Deferred Income Tax Liabilities, Net Deferred tax liabilities Convertible Notes Payable, Noncurrent Convertible senior notes Principal amount outstanding Liabilities Total Liabilities Commitments and Contingencies. Commitments and contingencies (Note 17) Stockholders' Equity Attributable to Parent [Abstract] Shareholders' equity Shareholders' equity: Common Stock, Value, Issued Ordinary shares (US$0.0001 par value; 10,000,000,000 shares authorized; 810,339,182 shares issued and 798,622,719 shares outstanding as of December 31, 2024; 795,528,169 shares issued and 790,812,316 shares outstanding as of December 31, 2025) Ordinary shares (US$0.0001 par value; 10,000,000,000 shares authorized; 810,339,182 shares issued and 798,622,719 shares outstanding as of December 31, 2024; 795,528,169 shares issued and 790,812,316 shares outstanding as of December 31, 2025) Additional Paid in Capital, Common Stock Additional paid-in capital Treasury Stock, Common, Value Treasury shares, at cost (7,774,535 and 1,801,637 shares as of December 31, 2024 and 2025, respectively) Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Stockholders' Equity Attributable to Parent ZTO Express (Cayman) Inc. shareholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Non-controlling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance at ending of the period Balance at beginning of the period Total Equity Liabilities and Equity TOTAL LIABILITIES AND EQUITY Fair value portion of short term investments. Short Term Investments, Fair Value Disclosure Short-term investments Short-term investments, fair value measured investments Common Stock, Par or Stated Value Per Share Ordinary shares, par value (in dollars per share) Common Stock, Shares Authorized Ordinary shares, share authorized Common Stock, Shares, Issued Ordinary shares, shares issued Common Stock, Shares, Outstanding Balance, ending of the period (in shares) Balance, beginning of the period (in shares) Ordinary shares, shares outstanding Treasury Stock, Common, Shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Treasury shares, at cost CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Revenue from Contract with Customer, Including Assessed Tax Revenues (including related party revenue of RMB594,859, RMB314,005 and RMB418,557 for the years ended December 31, 2023, 2024 and 2025, respectively) Revenues Cost of Revenue Cost of revenues (including related party cost of revenues of RMB1,351,977, RMB1,315,905and RMB1,255,195 for the years ended December 31, 2023, 2024 and 2025, respectively) Cost of revenues Gross Profit Gross profit Taxable profit threshold Operating Expenses [Abstract] Operating (expenses)/income Operating expenses: Selling, General and Administrative Expense Selling, general and administrative Selling, General and Administrative Other Nonrecurring (Income) Expense Other operating income, net Operating Expenses Total operating expenses Operating Income (Loss) Income from operations Nonoperating Income (Expense) [Abstract] Other income/(expenses) Interest Income, Deposits with Financial Institutions Interest income Interest Expense, Nonoperating Interest expense Amount of gain (loss) on fair value changes of financial instruments. Gain Loss On Fair Value Changes Of Financial Instruments Gain of fair value changes of financial instruments Fair value change at financial instruments Gain from fair value changes of financial instruments Gain from fair value change at financial instruments Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee Gain/(loss) on disposal of equity investees, subsidiaries and others Loss/(gain) on disposal of equity investees, subsidiaries and others This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting, including equity securities without readily determinable fair values. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. Equity Method Investment, Other than Temporary Impairment Including Equity Securities Without Readily Determinable Fair Value Impairment of investment in equity investees Impairment of investment in equity investees Impairment of investment in equity investees Goodwill, Impairment Loss Impairment of goodwill Impairment of goodwill Foreign Currency Transaction Gain (Loss), before Tax Foreign currency exchange loss/(gain) Foreign currency exchange gain/(loss) Foreign currency exchange gain Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income before provision for income tax Income before income tax and share of gain in equity method investments Income Tax Expense (Benefit) Income tax expense Total Income (Loss) from Equity Method Investments Share of income in equity method investments Share of profit in subsidiaries and VIE Share of income in equity method investments Share of profit in subsidiaries, VIE and equity method investments Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Net income Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to non-controlling interests Net income attributable to ZTO Express (Cayman) Inc. Undistributed Earnings Net income attributable to ordinary shareholders Earnings Per Share Net earnings per share attributable to ordinary shareholders Earnings Per Share, Basic Basic Earnings per share-basic (in CNY per share) Earnings Per Share, Diluted Diluted Earnings per share-diluted (in CNY per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average shares used in calculating net earnings per ordinary share Shares (Denominator): Weighted Average Number of Shares Outstanding, Basic Basic Weight average ordinary shares outstanding-basic Weighted Average Number of Shares Outstanding, Diluted Diluted Weight average ordinary shares outstanding-diluted Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Other comprehensive (loss)/income, net of tax of nil Other comprehensive (loss)/income, net of tax of nil Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustment Foreign currency translation adjustments Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to ZTO Express (Cayman) Inc. Other Comprehensive Income (Loss), Tax Other comprehensive income/(loss), tax Other comprehensive income/(loss), net of tax of nil CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Parent Company Parent Company Additional paid-in capital Additional paid-in capital Treasury Stock, Common [Member] Treasury shares, at cost Retained earnings Retained earnings Accumulated other comprehensive income/(loss) Accumulated other comprehensive loss Noncontrolling interests Non-controlling interests Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Acquisition of non- controlling interests of subsidiaries Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). Stock Issued During Period, Share-based Compensation, Value Share-based compensation and ordinary shares issued for share-based compensation Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Share-based compensation and ordinary shares issued for share-based compensation (in shares) Noncontrolling Interest, Increase from Business Combination Non-controlling interests recognized in connection with acquisition Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Subsidiary dividend distribution to non-controlling interests Stock Repurchased During Period, Value Repurchase of ordinary shares Stock Repurchased During Period, Shares Repurchase of ordinary shares (in shares) Repurchase of ordinary shares (in shares) Treasury Stock, Shares, Acquired Repurchase of ordinary shares (in shares) Treasury Stock, Retired, Cost Method, Amount Cancellation of treasury shares Treasury Stock, Shares, Retired Cancellation of treasury shares (in shares) Amount of increase in noncontrolling interest from capital contribution. Noncontrolling Interest, Increase from Capital Contribution Capital contribution from non-controlling interest holders Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Distribution of dividends Decrease in noncontrolling interest from equity transactions. Noncontrolling Interest, Decrease from Equity Transactions Derecognition of non-controlling interest due to disposal of subsidiaries Noncontrolling Interest, Decrease from Deconsolidation Removal of non-controlling interests due to disposal of subsidiaries CONSOLIDATED STATEMENTS OF CASH FLOWS Long-Term Debt, Type [Axis] Long-Term Debt, Type [Domain] Represents information pertaining to loans payable to banks. Loans Payable To Banks [Member], Long-term borrowing Convertible Debt [Member] Convertible senior notes Convertible bond Net Cash Provided by (Used in) Operating Activities [Abstract] Operating activities 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: Adjustments to reconcile net income to net cash used by operating activities Share-based Compensation. Share-based compensation Depreciation, Depletion and Amortization Depreciation and amortization Gain (Loss) on Disposition of Property Plant Equipment Loss on disposal of property and equipment Amount of gain (loss) on disposal of land use rights. Gain (Loss) on Disposal of land Use Rights Loss on disposal of land use rights Impairment of Long-Lived Assets to be Disposed of Impairment of property and equipment Impairment of long-lived assets Provision for Doubtful Accounts Provision for credit losses Amortization of Debt Issuance Costs Amortization of issuance cost of convertible senior notes Deferred Income Tax Expense (Benefit) Deferred income tax Deferred tax expenses /(benefit) Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries or equity method investee excluding unrealized loss from investment in investee. Gain Loss On Sale Of Stock In Subsidiary Or Equity Method Investee Excluding Unrealized Loss On Investment In Investee (Gain)/loss on disposal of equity investees, subsidiaries and others Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Finance Receivables Financing receivables