v3.26.1
Income Taxes - Additional Information (Detail)
¥ in Thousands, $ in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
HKD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2025
USD ($)
Dec. 01, 2025
CNY (¥)
Dec. 01, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Income tax rate [1] 25.00% 25.00% 25.00% 25.00% 25.00%                
Unrecognized tax benefit ¥ 5,480     ¥ 5,480 ¥ 5,480     $ 784     $ 784   ¥ 5,480
Interest expense on unrecognized tax benefit | ¥                    
Unrecognized tax benefits income tax penalties and interest accrued                    
Income taxes paid ¥ 879 $ 126   101 184                
Ehfly [Member] | HONG KONG | Tax Year 2018 Onwards [Member]                          
Income tax rate           8.25%              
Effective income tax rate reconciliation, noncontrolling interest income (loss), amount     $ 2.0                    
Ehang HK [Member] | Tax Year 2018 Onwards [Member]                          
Income tax rate             8.25%            
Ehang HK [Member] | Tax Year 2019 Onwards [Member]                          
Income tax rate             16.50%            
Ehang HK [Member] | HONG KONG | Tax Year 2019 Onwards [Member]                          
Income tax rate           16.50%              
Effective income tax rate reconciliation, noncontrolling interest income (loss), amount     $ 2.0                    
PRC [Member]                          
Income tax rate 25.00% 25.00% 25.00%                    
High and New Technology Enterprise, tax rate 15.00% 15.00% 15.00%                    
Deductible tax losses ¥ 1,154,646     1,034,638 976,068     $ 165,112          
Income Tax Examination, Description five years five years five years                    
PRC [Member] | Tax Year 2008 Onwards [Member]                          
Effective income tax rate reconciliation qualified research and development additional deduction percent 50.00% 50.00% 50.00%                    
PRC [Member] | Tax Year From 2018 to 2020 [Member]                          
Effective income tax rate reconciliation qualified research and development additional deduction percent 75.00% 75.00% 75.00%                    
PRC [Member] | Tax Year 2023 [Member]                          
Effective income tax rate reconciliation qualified research and development additional deduction percent 100.00% 100.00% 100.00%                    
Effective income tax rate reconciliation qualified research and development super deduction percent 100.00% 100.00% 100.00%                    
PRC [Member] | EHang intelligent [member]                          
High and New Technology Enterprise, tax rate 15.00% 15.00% 15.00%                    
PRC [Member] | Ehang Intelligent Equipment Guanghou Co Ltd [Member]                          
Effective income tax rate reconciliation qualified research and development super deduction percent 100.00% 100.00% 100.00%                    
CHINA                          
Withholding tax rate for non-PRC resident enterprises 10.00% 10.00% 10.00%                    
FRANCE                          
Income tax rate 28.00% 28.00% 28.00%                    
SPAIN                          
Income tax rate 23.00% 23.00% 23.00%                    
Minimum [Member] | PRC [Member]                          
Deductible tax losses, period 5 years 5 years 5 years                    
Maximum [Member] | PRC [Member]                          
Deductible tax losses, period 10 years 10 years 10 years                    
Austrian Minister Of Finance [Member]                          
Income tax rate 23.00% 23.00% 23.00%                    
Hong Kong [Member] | Not Expirable [Member]                          
Deductible tax losses       ¥ 32,893 ¥ 31,890       ¥ 29,463 $ 4,213      
[1] The PRC statutory tax rate is used for the reconciliation as the majority of the Group’s operations are based in the PRC.