Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2023	Jun. 30, 2023
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Entity Registrant Name	ANDRETTI ACQUISITION CORP.
Entity Central Index Key	0001843714
Entity File Number	001-41218
Entity Tax Identification Number	98-1578373
Entity Incorporation, State or Country Code	E9
Entity Address, Address Line One	7615 Zionsville Road
Entity Address, City or Town	Indianapolis
Entity Address, State or Province	IN
Entity Address, Postal Zip Code	46268
City Area Code	317
Local Phone Number	872-2700
Trading Symbol	WNNR
Title of 12(b) Security	Class A ordinary shares, $0.0001 par value
Security Exchange Name	NYSE
Entity Current Reporting Status	No
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
Entity Shell Company	true
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
ICFR Auditor Attestation Flag	false
Auditor Name	Marcum LLP
Auditor Firm ID	688
Auditor Location	Los Angeles, CA
Entity Public Float		$ 244,720,000
Document Financial Statement Error Correction [Flag]	false
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one redeemable public warrant [Member]
Document Information [Line Items]
Trading Symbol	WNNR.U
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
Security Exchange Name	NYSE
Public warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share [Member]
Document Information [Line Items]
Trading Symbol	WNNR WS
Title of 12(b) Security	Warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share
Security Exchange Name	NYSE
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding	7,894,801
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding	5,750,000