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Investments in Subsidiaries - Summarized Financial Information Including Goodwill On Acquisition And Consolidation Adjustment But Before Intercompany Eliminations Of Subsidiaries With Material Non Controlling Interests (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2020 CNY (¥)
Summarized statement of financial position |  |  |  |  |  |
Current assets | ¥ 19,163,855 |  | ¥ 17,096,555 |  | $ 2,697,767 |
Current liabilities | (12,058,582) |  | (11,223,420) |  | (1,697,530) |
Non-current liabilities | (1,523,411) |  | (1,079,072) |  | (214,457) |
Total equity | 12,175,625 |  | 11,835,064 | ¥ 11,615,344 | 1,714,008 | ¥ 11,832,710
Attributable to NCI | 2,949,097 |  | 2,826,118 |  | 415,155 |
Summarized statement of comprehensive income |  |  |  |  |  |
Revenue | 18,046,349 | $ 2,540,451 | 16,030,636 | 21,265,930 |  |
Profit after tax | 422,856 | 59,527 | 335,661 | 407,894 |  |
Total comprehensive income for the year | 454,874 | 64,034 | 424,778 | 435,099 |  |
Attributable to NCI | 144,491 | 20,340 | 132,409 | 141,859 |  |
Summarized statement of cash flows |  |  |  |  |  |
Operating | 1,226,038 | 172,595 | (119,419) | 504,556 |  |
Investing | (113,256) | (15,944) | (133,048) | (738,848) |  |
Financing | (33,742) | (4,750) | (140,365) | (838,563) |  |
Guangxi Yuchai Machinery Company Limited [member] |  |  |  |  |  |
Summarized statement of financial position |  |  |  |  |  |
Current assets | 18,073,115 |  | 16,070,488 |  | 2,544,219 |
Non-current assets, excluding goodwill | 6,293,318 |  | 6,737,117 |  | 885,934 |
Goodwill | 212,636 |  | 212,636 |  | 29,934 |
Current liabilities | (12,029,500) |  | (11,204,417) |  | (1,693,437) |
Non-current liabilities | (1,457,329) |  | (1,016,521) |  | (205,154) |
Net assets | 11,092,240 |  | 10,799,303 |  | 1,561,496 |
Total equity | 11,092,240 |  | 10,799,303 |  | 1,561,496 |
Attributable to NCI | 2,741,359 |  | 2,627,354 | 2,574,669 | $ 385,911 |
Summarized statement of comprehensive income |  |  |  |  |  |
Revenue | 18,015,280 | 2,536,077 | 15,998,041 | 21,254,134 |  |
Profit after tax | 431,697 | 60,772 | 355,140 | 443,499 |  |
Total comprehensive income for the year | 442,666 | 62,316 | 355,936 | 506,769 |  |
Attributable to NCI | 135,173 | 19,029 | 114,700 | 153,500 |  |
Summarized statement of cash flows |  |  |  |  |  |
Operating | 1,261,921 | 177,645 | (82,444) | 588,727 |  |
Investing | 23,243 | 3,272 | (221,126) | (674,686) |  |
Financing | (67,590) | (9,515) | (181,072) | (1,002,764) |  |
Net increase in cash and cash equivalents | ¥ 1,217,574 | $ 171,402 | ¥ (484,642) | ¥ (1,088,723) |  |

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