v3.22.2.2
Document and Entity Information
Dec. 06, 2022
Document And Entity Information [Line Items]  
Amendment Flag false
Entity Central Index Key 0001870404
Document Type 8-K
Document Period End Date Dec. 06, 2022
Entity Registrant Name PHOENIX BIOTECH ACQUISITION CORP.
Entity Incorporation State Country Code DE
Entity File Number 001-40877
Entity Tax Identification Number 87-1088814
Entity Address, Address Line One 2201 Broadway
Entity Address, Address Line Two Suite 705
Entity Address, City or Town Oakland
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94612
City Area Code (215)
Local Phone Number 731-9450
Written Communications true
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Units Each Consisting Of One Share Of Class A Common Stock And One Half Of One Redeemable Warrant [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Units, each consisting of one share of Class A common stock and one-half of one redeemable warrant
Trading Symbol PBAXU
Security Exchange Name NASDAQ
Common Class B [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Class A common stock, par value $0.0001 per share
Trading Symbol PBAX
Security Exchange Name NASDAQ
Warrants Each Whole Warrant Exercisable For One Share Of Class A Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Warrants, each whole warrant exercisable for one share of Class A common stock
Trading Symbol PBAXW
Security Exchange Name NASDAQ