XML 128 R114.htm IDEA: XBRL DOCUMENT v3.22.1
Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2019
CNY (¥)
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance ¥ 4,258,760      
Charge for the year 492,826 $ 77,952 ¥ 450,092 ¥ 422,859
Impairment loss 7,227 1,143 3,920 3,950
Ending balance 4,197,909 663,995 4,258,760  
Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 9,221,820   9,020,638  
Additions 478,891   554,847  
Disposals (102,512)   (274,006)  
Transfers 0      
Write-off (60,548)   (73,571)  
Translation difference (6,021)   (6,088)  
Ending balance 9,531,630   9,221,820 9,020,638
Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (4,963,060)   (4,810,194)  
Charge for the year 519,518   478,320  
Disposals 94,833   261,499  
Write-off 59,414   66,154  
Impairment loss 7,227   3,920  
Translation difference (1,837)   (1,721)  
Ending balance (5,333,721)   (4,963,060) (4,810,194)
Freehold land [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 13,605      
Ending balance 13,007 2,057 13,605  
Freehold land [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 14,092   14,836  
Additions 0      
Disposals 0      
Transfers 0      
Write-off 0      
Translation difference (628)   (744)  
Ending balance 13,464   14,092 14,836
Freehold land [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (487)   (513)  
Charge for the year 0      
Disposals 0      
Write-off 0      
Impairment loss 0      
Translation difference (30)   (26)  
Ending balance (457)   (487) (513)
Leasehold buildings and improvements [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 1,514,989      
Ending balance 1,522,829 240,870 1,514,989  
Leasehold buildings and improvements [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 2,449,379   2,376,090  
Additions 2,214   16,273  
Disposals (5,435)   (4,664)  
Transfers 105,117   75,264  
Write-off (1,551)   (9,759)  
Translation difference (3,439)   (3,825)  
Ending balance 2,546,285   2,449,379 2,376,090
Leasehold buildings and improvements [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (934,390)   (848,803)  
Charge for the year 93,397   92,034  
Disposals 2,119   1,102  
Write-off 1,432   4,660  
Impairment loss 0      
Translation difference (780)   (685)  
Ending balance (1,023,456)   (934,390) (848,803)
Construction in progress [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 700,716      
Ending balance 405,430 64,128 700,716  
Construction in progress [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 700,716   1,037,035  
Additions 426,621   487,725  
Disposals 0      
Transfers (721,753)   (823,981)  
Write-off 0      
Translation difference (154)   (63)  
Ending balance 405,430   700,716 1,037,035
Construction in progress [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Charge for the year 0      
Disposals 0      
Write-off 0      
Impairment loss 0      
Translation difference 0      
Ending balance 0      
Plant and machinery [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 1,935,681      
Ending balance 2,155,260 340,904 1,935,681  
Plant and machinery [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 5,731,485   5,285,022  
Additions 20,655   20,617  
Disposals (81,321)   (260,996)  
Transfers 603,595   741,218  
Write-off (48,990)   (53,917)  
Translation difference (522)   (459)  
Ending balance 6,224,902   5,731,485 5,285,022
Plant and machinery [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (3,795,804)   (3,739,750)  
Charge for the year 394,171   357,434  
Disposals 78,917   253,121  
Write-off 48,366   51,910  
Impairment loss 7,227   3,920  
Translation difference (277)   (269)  
Ending balance (4,069,642)   (3,795,804) (3,739,750)
Office furniture, fittings and equipment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 44,055      
Ending balance 53,450 8,454 44,055  
Office furniture, fittings and equipment [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 203,090   195,154  
Additions 16,803   14,066  
Disposals (1,896)   (3,604)  
Transfers 13,041   7,323  
Write-off (7,416)   (8,983)  
Translation difference (1,242)   (866)  
Ending balance 222,380   203,090 195,154
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 (159,035)   (151,710)  
Charge for the year 19,579   19,913  
Disposals 1,688   3,218  
Write-off 7,280   8,719  
Impairment loss 0      
Translation difference (716)   (651)  
Ending balance (168,930)   (159,035) (151,710)
Motor and transport vehicles [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 49,714      
Ending balance 47,933 $ 7,582 49,714  
Motor and transport vehicles [member] | Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance 123,058   112,501  
Additions 12,598   16,166  
Disposals (13,860)   (4,742)  
Transfers 0   176  
Write-off (2,591)   (912)  
Translation difference (36)   (131)  
Ending balance 119,169   123,058 112,501
Motor and transport vehicles [member] | Accumulated depreciation, amortization and impairment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Beginning balance (73,344)   (69,418)  
Charge for the year 12,371   8,939  
Disposals 12,109   4,058  
Write-off 2,336   865  
Impairment loss 0      
Translation difference (34)   (90)  
Ending balance ¥ (71,236)   ¥ (73,344) ¥ (69,418)