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Financial Risk Management Objectives and Policies - Summary of Information about Credit Risk on Trade Receivables using Provision Matrix (Detail)
¥ in Thousands, $ in Thousands
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Disclosure of provision matrix [line items]      
Financial assets ¥ 11,772,588 $ 1,693,435 ¥ 12,239,276
Expected credit loss ¥ 33,247 $ 4,782 ¥ 33,210
Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 2.10% 2.10% 9.10%
Expected credit loss ¥ 33,247   ¥ 33,210
Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets 1,549,462   364,445
Current [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 1,138,365   ¥ 117,832
Days past due 0- 90 days [member] | Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 0.20% 0.20% 0.50%
Expected credit loss ¥ 500   ¥ 714
Days past due 0- 90 days [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 216,355   ¥ 131,411
Days Past due 91-180 days [member] | Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 0.20% 0.20% 7.20%
Expected credit loss ¥ 124   ¥ 2,428
Days Past due 91-180 days [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 80,132   ¥ 33,897
Days past due 181-365 days [member] | Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 0.60% 0.60% 15.30%
Expected credit loss ¥ 372   ¥ 5,686
Days past due 181-365 days [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 63,477   ¥ 37,169
Days past due greater than 365 days [member] | Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 63.10% 63.10% 55.20%
Expected credit loss ¥ 32,251   ¥ 24,382
Days past due greater than 365 days [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 51,133   ¥ 44,136