HH&L Acquisition Co. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Description of Organization and Business Operations (Details)

Description of Organization and Business Operations (Details)							9 Months Ended
	Aug. 09, 2023 USD ($) $ / shares shares	Aug. 03, 2023 USD ($) Y $ / shares shares	May 09, 2023 USD ($) item $ / shares shares	Feb. 09, 2023 USD ($)	Feb. 07, 2023 USD ($) item $ / shares shares	Feb. 09, 2021 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) item $ / shares shares	Jun. 21, 2023 USD ($)	May 18, 2023 USD ($)	Dec. 31, 2022 USD ($) shares	Oct. 13, 2022 USD ($)	Oct. 07, 2022 USD ($)
Description of Organization and Business Operations
Condition for future business combination number of businesses minimum \| item							1
Deferred underwriting commissions							$ 5,796,000			$ 5,796,000
Maximum maturity period							185 days
Percentage obligation to redeem or repurchase public shares if company does not complete business combination					100.00%
Minimum number of days prior to First Extended Date, in which period of time to consummate a Business Combination may be extended					3 days
Number of additional one-month periods \| item					2
Period for each additional extension			1 month		1 month
Aggregate period of additional extension			6 months		2 months
First Contribution			$ 487,500	$ 380,000
Second Contribution			$ 162,500	380,000
Third Contribution				$ 380,000
Percentage of contribution in advance of deposit into the Trust Account, equals the loan to the Company							50.00%
Threshold period for redemption of issued and outstanding public shares			3 months
Minimum number of days prior to the second extended date, in which period of time to consummate a business combination may be further extended	3 days		3 days		3 days
Maximum number of times of additional extensions for business combination \| item			6
Per share price of public share not redeemed considered for deposit in trust for first phase contribution \| $ / shares			$ 0.0975
Per share price of public share not redeemed considered for deposit in trust for second phase contribution \| $ / shares			$ 0.0325
Installment amount for deposit of first-phase contribution in trust account								$ 162,500	$ 162,500
Class A ordinary shares
Description of Organization and Business Operations
Number of shares elected to redeem for cash \| shares	2,025,832		3,887,893		31,281,090
Redemption price per share \| $ / shares			$ 10.33		$ 10.18
Aggregate redemption amount			$ 40,400,000		$ 318,600,000
Amount held in the Trust Account			$ 64,900,000		$ 103,100,000
Class A ordinary shares subject to possible redemption
Description of Organization and Business Operations
Number of shares elected to redeem for cash \| shares							2,025,832
Redemption price per share \| $ / shares	$ 10.60						$ 10.60
Aggregate redemption amount	$ 21,500,000						$ 21,500,000
Amount held in the Trust Account	$ 44,600,000						$ 44,600,000
Number of shares outstanding \| shares							4,205,185			41,400,000
Initial Public Offering
Description of Organization and Business Operations
Number of units issued \| shares						41,400,000
Purchase price, per unit \| $ / shares						$ 10.00	$ 10.00
Proceeds received from initial public offering, gross						$ 414,000,000.0
Proceeds received from initial public offering, gross						414,000,000.0
Offering costs incurred						23,700,000
Deferred underwriting commissions						$ 14,500,000
Threshold minimum aggregate fair market value as a percentage of the net assets held in the Trust Account							80.00%
Threshold percentage of outstanding voting securities of target to be acquired by post transaction company to complete business combination							50.00%
Remaining net tangible assets							$ 5,000,001
Threshold percentage of public shares subject to redemption without prior consent of the Company							20.00%
Obligation to redeem Public Shares if entity does not complete a business combination (as a percent)							100.00%
Threshold business days for redemption of public shares							10 days
Maximum interest to pay for dissolution expenses							$ 100,000
Initial Public Offering \| Goldman Sachs (Asia) L.L.C. de
Description of Organization and Business Operations
Deferred underwriting commissions												$ 8,700,000
Waiver of deferred underwriting fee												$ 14,490,000
Initial Public Offering \| Credit Suisse
Description of Organization and Business Operations
Waiver of deferred underwriting fee											$ 14,490,000
Initial Public Offering \| Public Warrant
Description of Organization and Business Operations
Number of warrants in a unit \| shares						0.5
Initial Public Offering \| Class A ordinary shares
Description of Organization and Business Operations
Number of shares in a unit \| shares						1
Private Placement \| Private Placement Warrant
Description of Organization and Business Operations
Number of warrants to purchase shares issued \| shares						10,280,000
Price of warrants \| $ / shares						$ 1.00
Proceeds from sale of private placement warrants						$ 10,300,000
Over-allotment option
Description of Organization and Business Operations
Number of units issued \| shares						5,400,000	5,400,000
NRA Investors \| Volatility
Description of Organization and Business Operations
Fair value of measurement input		0.019
NRA Investors \| Risk-free rate
Description of Organization and Business Operations
Fair value of measurement input		0.049
NRA Investors \| Stock price
Description of Organization and Business Operations
Fair value of measurement input \| $ / shares		10.56
NRA Investors \| Expected terms
Description of Organization and Business Operations
Fair value of measurement input \| Y		2
NRA Investors \| Class A ordinary shares
Description of Organization and Business Operations
Non-redeemed shares \| shares		4,273,992
NRA Investors \| Class B ordinary shares
Description of Organization and Business Operations
Number of sponsor shares transferred \| shares		854,798
Expense incurred as a result of the transfer		$ 4,060,164