Accruals and Other Liabilities - Summary of Accruals and Other Liabilities (Detail) - CNY (¥) ¥ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Accounts Payable and Accrued Liabilities, Current [Abstract]
Payables for purchase of property, plant and equipment	¥ 1,799,882	¥ 1,723,130
Employee compensation payables	1,186,036	939,023
Payables for R&D expenses	1,069,926	1,085,353
Accrued expenses	958,607	598,423
Accrued loss of purchase commitments	621,419	285,519
Deposits from third parties	549,487	501,197
Payables for marketing events	447,839	368,163
Tax payables	435,564	350,263
Warranty provisions	389,290	219,988
Advance from customers	376,897	100,281
Refundable deposit from customers	172,762	61,717
Interest payables	41,093	44,526
Debt from a third party investor(Note 17(i))	0	541,918
Others	601,834	760,694
Total	¥ 8,650,636	¥ 7,580,195

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for the marketing, trade and selling of the entity's goods and services. Marketing costs would include expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services; costs of public relations and corporate promotions; and obligations incurred and payable for sales discounts, rebates, price protection programs, etc. offered to customers and under government programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Accrued expenses one current.

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Accrued loss of purchase commitments

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Customer Advances.

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Customer Deposits.

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Debt from a third party investor current.

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Payable for purchase of property plant and equipment current.

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Research and development expenses payable current.

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