XML 188 R174.htm IDEA: XBRL DOCUMENT v3.21.1
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, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Disclosure of provision matrix [line items]      
Financial assets ¥ 14,612,382 $ 2,258,028 ¥ 14,303,746
Expected credit loss ¥ 43,519 $ 6,725 ¥ 57,611
Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 13.10% 13.10% 7.20%
Expected credit loss ¥ 43,519   ¥ 57,611
Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets 332,567   794,678
Current [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 126,706   ¥ 601,094
Days past due 0- 90 days [member] | Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 4.20% 4.20% 6.90%
Expected credit loss ¥ 3,860   ¥ 4,283
Days past due 0- 90 days [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 91,233   ¥ 61,917
Days Past due 91-180 days [member] | Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 4.90% 4.90% 6.20%
Expected credit loss ¥ 1,451   ¥ 1,513
Days Past due 91-180 days [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 29,675   ¥ 24,409
Days past due 181-365 days [member] | Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 7.80% 7.80% 10.90%
Expected credit loss ¥ 2,852   ¥ 4,386
Days past due 181-365 days [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 36,413   ¥ 40,213
Days past due greater than 365 days [member] | Trade receivables [member]      
Disclosure of provision matrix [line items]      
Expected credit loss rate 72.80% 72.80% 70.70%
Expected credit loss ¥ 35,356   ¥ 47,429
Days past due greater than 365 days [member] | Trade receivables [member] | Cost [member]      
Disclosure of provision matrix [line items]      
Financial assets ¥ 48,540   ¥ 67,045