XML 127 R113.htm IDEA: XBRL DOCUMENT v3.21.1
Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance ¥ 4,210,444      
Charge for the year 450,092 $ 69,552 ¥ 422,859 ¥ 420,277
Impairment loss 3,920 606 3,950 30,173
Ending balance 4,258,760 658,100 4,210,444  
Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 9,020,638   8,376,567  
Additions 554,847   918,280  
Disposals (274,006)   (29,167)  
Write-off (73,571)   (248,068)  
Translation difference (6,088)   3,026  
Ending balance 9,221,820   9,020,638 8,376,567
Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (4,810,194)   (4,620,067)  
Charge for the year 478,320   453,219  
Disposals 261,499   23,895  
Write-off 66,154   243,931  
Impairment loss 3,920   3,950  
Translation difference (1,721)   784  
Ending balance (4,963,060)   (4,810,194) (4,620,067)
Freehold land [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 14,323      
Ending balance 13,605 2,102 14,323  
Freehold land [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 14,836   14,430  
Translation difference (744)   406  
Ending balance 14,092   14,836 14,430
Freehold land [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (513)   (499)  
Translation difference (26)   14  
Ending balance (487)   (513) (499)
Leasehold buildings and improvements [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 1,527,287      
Ending balance 1,514,989 234,109 1,527,287  
Leasehold buildings and improvements [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 2,376,090   2,342,545  
Additions 16,273   14,851  
Disposals (4,664)   (762)  
Transfers 75,264   45,412  
Write-off (9,759)   (27,911)  
Translation difference (3,825)   1,955  
Ending balance 2,449,379   2,376,090 2,342,545
Leasehold buildings and improvements [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (848,803)   (768,320)  
Charge for the year 92,034   105,818  
Disposals 1,102   284  
Write-off 4,660   25,376  
Translation difference (685)   325  
Ending balance (934,390)   (848,803) (768,320)
Construction in progress [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 1,037,035      
Ending balance 700,716 108,280 1,037,035  
Construction in progress [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 1,037,035   470,188  
Additions 487,725   884,145  
Transfers (823,981)   (317,294)  
Translation difference (63)   (4)  
Ending balance 700,716   1,037,035 470,188
Plant and machinery [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 1,545,272      
Ending balance 1,935,681 299,118 1,545,272  
Plant and machinery [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 5,285,022   5,238,702  
Additions 20,617   4,260  
Disposals (260,996)   (15,468)  
Transfers 741,218   268,896  
Write-off (53,917)   (211,589)  
Translation difference (459)   221  
Ending balance 5,731,485   5,285,022 5,238,702
Plant and machinery [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (3,739,750)   (3,645,984)  
Charge for the year 357,434   311,402  
Disposals 253,121   11,467  
Write-off 51,910   210,253  
Impairment loss 3,920   3,950  
Translation difference (269)   134  
Ending balance (3,795,804)   (3,739,750) (3,645,984)
Office furniture, fittings and equipment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 43,444      
Ending balance 44,055 6,808 43,444  
Office furniture, fittings and equipment [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 195,154   193,019  
Additions 14,066   6,763  
Disposals (3,604)   (902)  
Transfers 7,323   2,986  
Write-off (8,983)   (7,126)  
Translation difference (866)   414  
Ending balance 203,090   195,154 193,019
Office furniture, fittings and equipment [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (151,710)   (133,524)  
Charge for the year 19,913   25,324  
Disposals 3,218   547  
Write-off 8,719   6,883  
Translation difference (651)   292  
Ending balance (159,035)   (151,710) (133,524)
Motor and transport vehicles [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 43,083      
Ending balance 49,714 $ 7,683 43,083  
Motor and transport vehicles [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 112,501   117,683  
Additions 16,166   8,261  
Disposals (4,742)   (12,035)  
Transfers 176      
Write-off (912)   (1,442)  
Translation difference (131)   34  
Ending balance 123,058   112,501 117,683
Motor and transport vehicles [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (69,418)   (71,740)  
Charge for the year 8,939   10,675  
Disposals 4,058   11,597  
Write-off 865   1,419  
Translation difference (90)   19  
Ending balance ¥ (73,344)   ¥ (69,418) ¥ (71,740)