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v3.22.1

Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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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)

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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_viii&doctype=Standard -URIDate 2021-03-24 + Details
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