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Financial Risk Management Objectives and Policies - Maturity Profile of Financial Assets and Liabilities Based on Contractual Undiscounted Payments (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥)
--- | --- | --- | ---
Financial assets |  |  |
Cash and bank balances | ¥ 6,433,593 | $ 896,818 | ¥ 6,039,471
Financial assets | 15,408,896 | 2,147,941 | 14,275,698
Financial liabilities |  |  |
Trade and other payables (Note 22) | 10,535,523 | 1,468,611 | 9,475,529
Lease liabilities | 63,231 | 8,814 | 49,281
Financial liabilities | 12,982,296 | 1,809,682 | 11,942,406
Liquidity risk [member] |  |  |
Financial assets |  |  |
Trade and bills receivables | 8,578,001 | 1,195,740 | 7,412,577
Other receivables, excluding tax recoverable | 397,302 | 55,383 | 823,650
Cash and bank balances | 6,433,593 | 896,818 | 6,039,471
Financial assets | 15,408,896 | 2,147,941 | 14,275,698
Financial liabilities |  |  |
Loans and borrowings | 2,548,371 | 355,233 | 2,591,023
Trade and other payables (Note 22) | 10,402,492 | 1,450,067 | 9,335,062
Lease liabilities | 65,804 | 9,173 | 51,249
Other financial liabilities | 81,368 | 11,342 | 81,368
Financial liabilities | 13,098,035 | $ 1,825,815 | 12,058,702
Liquidity risk [member] | One year or less [member] |  |  |
Financial assets |  |  |
Trade and bills receivables | 8,578,001 |  | 7,412,577
Other receivables, excluding tax recoverable | 397,302 |  | 823,650
Cash and bank balances | 6,433,593 |  | 6,039,471
Financial assets | 15,408,896 |  | 14,275,698
Financial liabilities |  |  |
Loans and borrowings | 1,903,247 |  | 1,880,251
Trade and other payables (Note 22) | 10,230,724 |  | 9,153,907
Lease liabilities | 34,335 |  | 32,436
Other financial liabilities | 0 |  |
Financial liabilities | 12,168,306 |  | 11,066,594
Liquidity risk [member] | One to five years [member] |  |  |
Financial assets |  |  |
Trade and bills receivables | 0 |  |
Other receivables, excluding tax recoverable | 0 |  |
Cash and bank balances | 0 |  |
Financial assets | 0 |  |
Financial liabilities |  |  |
Loans and borrowings | 645,124 |  | 710,772
Trade and other payables (Note 22) | 171,768 |  | 181,155
Lease liabilities | 30,711 |  | 18,016
Other financial liabilities | 81,368 |  | 81,368
Financial liabilities | 928,971 |  | 991,311
Liquidity risk [member] | More than five years [member] |  |  |
Financial assets |  |  |
Trade and bills receivables | 0 |  |
Other receivables, excluding tax recoverable | 0 |  |
Cash and bank balances | 0 |  |
Financial assets | 0 |  |
Financial liabilities |  |  |
Loans and borrowings | 0 |  |
Trade and other payables (Note 22) | 0 |  |
Lease liabilities | 758 |  | 797
Other financial liabilities | 0 |  |
Financial liabilities | ¥ 758 |  | ¥ 797

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