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Financial Assets and Financial Liabilities - Schedule of Changes in Liabilities Arising From Financing Activities (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance | ¥ 2,269,778 |  | ¥ 2,115,053
Cash flows | (51,940) |  | 136,159
Addition | 23,971 |  | 15,256
Accretion of interest | 1,819 |  | 2,198
Foreign exchange movement |  |  | 1,228
Translation reserve | (97) |  | (116)
Ending balance | 2,243,531 | $ 354,864 | 2,269,778
Short-term borrowings [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance | 1,730,000 |  | 2,055,046
Cash flows | (127,000) |  | (326,280)
Foreign exchange movement |  |  | 1,228
Translation reserve |  |  | 6
Other | 500,000 |  |
Ending balance | 2,103,000 | 332,637 | 1,730,000
Long-term borrowings [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance | 500,000 |  |
Cash flows | 100,000 |  | 500,000
Other | (500,000) |  |
Ending balance | 100,000 | 15,817 | 500,000
Lease Liabilities Current [Member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance | 22,755 |  | 28,633
Cash flows | (24,940) |  | (37,561)
Addition | 1,270 |  | 4,039
Accretion of interest | 1,819 |  | 2,198
Translation reserve | (54) |  | 409
Other | 26,275 |  | 25,037
Ending balance | 27,125 | 4,290 | 22,755
Lease Liabilities Noncurrent [Member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance | 17,023 |  | 31,374
Addition | 22,701 |  | 11,217
Translation reserve | (43) |  | (531)
Other | (26,275) |  | (25,037)
Ending balance | ¥ 13,406 | $ 2,120 | ¥ 17,023

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