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Mandatorily Redeemable Non-controlling Interests - Additional Information (Detail)
¥ in Thousands, $ in Thousands
1 Months Ended
Jun. 30, 2020
CNY (¥)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Noncontrolling Interest [Line Items]        
Minority Interests Ownership Percentage By Parent 30.00%      
Dividend rate, preferred stock 1.50%      
Yunfu EHang Intelligent Technology Limited("Yunfu") [Member]        
Noncontrolling Interest [Line Items]        
Cash consideration paid for non controlling interests ¥ 40,000      
Minority Interests Ownership Percentage By Parent 30.00%      
Interest payable   ¥ 180 $ 26 ¥ 200
Yunfu EHang Intelligent Technology Limited("Yunfu") [Member] | Third Party [Member]        
Noncontrolling Interest [Line Items]        
Minority Interests Ownership Percentage By Parent 30.00%