Amount of interest payable on debt, including, but not limited to, trade payables.

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Amount of ownership interest in limited liability company (LLC) directly or indirectly attributable to noncontrolling interests.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Amount of redeemable stock for issue of capital stock that are redeemable at fixed or determinable prices on fixed or determinable dates in each of the five years following the date of the latest statement of financial position presented.

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Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.

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Interest rate on limited liability partnership investment.

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Non controlling interest common stock strike price interest rate payable percentage.

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Payable to noncontrolling interest non current.

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Term of the operating agreement with limited liability partnership.

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Other Non-Current Liabilities - Summary of Other Non-Current Liabilities (Parenthetical) (Detail) - CNY (¥) ¥ in Thousands				12 Months Ended
	Mar. 12, 2021	Dec. 31, 2020	Dec. 20, 2020	Dec. 31, 2025	Dec. 31, 2024	Mar. 31, 2021
Guangdong U Trust [Member]
Other Liabilities Noncurrent [Line Items]
Principal amount				¥ 1,000,000
Interest paid				189,973
Guangdong U Trust [Member] \| Chengxing [Member]
Other Liabilities Noncurrent [Line Items]
Payable to non controlling interest non current				1,000,000
Proceeds from non-controlling interests				1,000,000
Guangzhou GET Investment [Member]
Other Liabilities Noncurrent [Line Items]
Payment to acquire interest in limited liability partnership				¥ 189,973	¥ 149,973
Call Option [Member] \| Guangzhou GET Investment [Member] \| Chengxing [Member]
Other Liabilities Noncurrent [Line Items]
Non controlling interest common stock strike price interest rate payable percentage				4.00%
Chengxing [Member] \| Guangdong U Trust [Member]
Other Liabilities Noncurrent [Line Items]
Proceeds from non-controlling interests	¥ 1,000,000
Chengxing [Member] \| Guangzhou GET Investment [Member]
Other Liabilities Noncurrent [Line Items]
Non controlling interest ownership percentage	1.064%
Chengxing [Member] \| Maximum [Member] \| Guangdong U Trust [Member]
Other Liabilities Noncurrent [Line Items]
Non controlling interest common stock strike price interest rate payable percentage						4.00%
Chengxing [Member] \| Minimum [Member] \| Guangdong U Trust [Member]
Other Liabilities Noncurrent [Line Items]
Non controlling interest common stock strike price interest rate payable percentage						6.00%
Chengxing [Member] \| Call Option [Member] \| Guangdong U Trust [Member]
Other Liabilities Noncurrent [Line Items]
Non controlling interest strike price redeemable stock redemption requirement	¥ 1,000,000
Non controlling interest common stock strike price interest rate payable percentage						4.00%
Guangzhou GET Investment [Member]
Other Liabilities Noncurrent [Line Items]
Term of the operating agreement with limited liability partnership				9 years
Payment to acquire interest in limited liability partnership				¥ 6,233	¥ 6,233
Interest rate on limited liability partnership investment				4.00%
Kunpeng Chuangye LLP [Member]
Other Liabilities Noncurrent [Line Items]
Term of the operating agreement with limited liability partnership			9 years	9 years
Kunpeng Chuangye LLP [Member] \| Chengxing [Member]
Other Liabilities Noncurrent [Line Items]
Payment to acquire interest in limited liability partnership			¥ 200,000
Percentage of investment in limited liability partnership		55.554%
Kunpeng Chuangye LLP [Member] \| Guangzhou Xiaopeng Automatic Driving Technology Co Ltd [Member]
Other Liabilities Noncurrent [Line Items]
Payment to acquire interest in limited liability partnership			10
Percentage of investment in limited liability partnership		0.0028%
Kunpeng Chuangye LLP [Member] \| Guangzhou GET Investment [Member]
Other Liabilities Noncurrent [Line Items]
Payment to acquire interest in limited liability partnership			¥ 160,000	¥ 160,000
Percentage of investment in limited liability partnership		44.4432%
Payable to non controlling interest non current				¥ 160,000		¥ 160,000
Interest rate on limited liability partnership investment						4.00%