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Company Financial Statements (Parent Company Only) - Condensed Statements of Comprehensive Loss (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
Condensed Statement of Income Captions [Line Items] |  |  |  |
General and administrative expenses | ¥ 151,065 | $ 21,902 | ¥ 187,388 | ¥ 61,613
Total operating expenses | 339,263 | 49,188 | 367,765 | 204,051
Loss from operations | (303,950) | (44,068) | (320,536) | (91,296)
Interest income | 4,669 | 677 | 5,143 | 3,795
Other expenses | 26,804 | 3,886 | 1,549 | 3,127
Other comprehensive (loss) income |  |  |  |
Foreign currency translation adjustments, net of nil tax | 20,896 | 3,030 | (6,107) | (9,974)
Total other comprehensive (loss) income, net of tax | 20,896 | 3,030 | (7,836) | (8,245)
Comprehensive loss attributable to EHang Holdings Limited | (307,325) | (44,557) | (321,795) | (95,864)
Parent Company [Member] |  |  |  |
Condensed Statement of Income Captions [Line Items] |  |  |  |
General and administrative expenses | (13,630) | (1,976) | (5,668) | (1,144)
Total operating expenses | (13,630) | (1,976) | (5,668) | (1,144)
Loss from operations | (13,630) | (1,976) | (5,668) | (1,144)
Interest income | 1 | 0 | 14 | 463
Share of losses from subsidiaries | (253,575) | (36,765) | (299,575) | (117,678)
Income (losses) from the VIEs | (37,603) | (5,452) | (8,730) | 30,740
Other expenses | (23,414) | (3,394) | 0 | 0
Net loss attributable to the Company's ordinary shareholders | (328,221) | (47,587) | (313,959) | (87,619)
Other comprehensive (loss) income |  |  |  |
Foreign currency translation adjustments, net of nil tax | 20,896 | 3,030 | (6,107) | (9,974)
Unrealized gains on available-for-sale debt securities | 0 | 0 | (1,729) | 1,729
Total other comprehensive (loss) income, net of tax | 20,896 | 3,030 | (7,836) | (8,245)
Comprehensive loss attributable to EHang Holdings Limited | ¥ (307,325) | $ (44,557) | ¥ (321,795) | ¥ (95,864)

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