Installment Payment Receivables, Net -Summary of Installment payment receivables consisted of the following (Detail) - Interest Income [Member] - CNY (¥) ¥ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current portion of installment payment receivables	¥ 2,590,645	¥ 1,929,463
Non-current portion of installment payment receivables	4,504,348	3,102,488
Allowance for doubtful accounts	(87,821)	(122,401)
Installment payment receivables - net	¥ 7,007,172	¥ 4,909,550

Amount, after allowance for credit loss, of net investment in sales-type lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-SubTopic 30
-Topic 842
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479016/842-30-45-1

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Amount of allowance for credit loss on net investment in sales-type lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
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Amount, before allowance for credit loss, of net investment in sales-type lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Amount, before allowance for credit loss, of net investment in sales-type lease, classified as noncurrent.

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