v3.25.2

Cover	Aug. 12, 2025
Document Type	8-K
Amendment Flag	false
Document Period End Date	Aug. 12, 2025
Entity File Number	001-42709
Entity Registrant Name	Pioneer Acquisition I Corp
Entity Central Index Key	0002040381
Entity Tax Identification Number	00-0000000
Entity Incorporation, State or Country Code	E9
Entity Address, Address Line One	131 Concord Street
Entity Address, City or Town	Brooklyn
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	11201
City Area Code	(347)
Local Phone Number	720-2907
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant
Title of 12(b) Security	Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant
Trading Symbol	PACHU
Security Exchange Name	NASDAQ
Class A ordinary shares, par value $0.0001 per share
Title of 12(b) Security	Class A ordinary shares, par value $0.0001 per share
Trading Symbol	PACH
Security Exchange Name	NASDAQ
Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price
Title of 12(b) Security	Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price
Trading Symbol	PACHW
Security Exchange Name	NASDAQ

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Pioneer Acquisition I Corp 8-K