Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.23.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2022
Mar. 31, 2023
Jun. 30, 2022
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Document Transition Report false    
Entity File Number 001-40006    
Entity Registrant Name HH&L Acquisition Co    
Entity Incorporation, State or Country Code E9    
Entity Tax Identification Number 00-0000000    
Entity Address, Address Line One Suite 2001-2002, 20/F, York    
Entity Address, Address Line Two House, The Landmark15 Queen’s Road Central    
Entity Address, City or Town Central    
Entity Address, Country HK    
Entity Address, Postal Zip Code N/A    
City Area Code 852    
Local Phone Number 3752-2870    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Entity Shell Company true    
Entity Public Float     $ 406,548,000
Entity Central Index Key 0001824185    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false    
Auditor Name WithumSmith+Brown    
Auditor Firm ID 100    
Auditor Location New York, New York    
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one redeemable warrant      
Document and Entity Information      
Title of 12(b) Security Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one redeemable warrant    
Trading Symbol HHLA.U    
Security Exchange Name NYSE    
Class A ordinary shares      
Document and Entity Information      
Title of 12(b) Security Class A Ordinary Shares included as part of the units    
Trading Symbol HHLA    
Security Exchange Name NYSE    
Entity Common Stock, Shares Outstanding   10,118,910  
Class B ordinary shares      
Document and Entity Information      
Entity Common Stock, Shares Outstanding   10,350,000  
Redeemable warrants included as part of the units      
Document and Entity Information      
Title of 12(b) Security Redeemable warrants included as part of the units    
Trading Symbol HHLA WS    
Security Exchange Name NYSE