v3.26.3
Cover
Oct. 15, 2026
Document Information Line Items  
Entity Registrant Name PINE TREE ACQUISITION CORP.
Entity Central Index Key 0002076561
Document Type 8-K
Amendment Flag false
Entity Emerging Growth Company true
Document Period End Date Oct. 15, 2026
Entity Ex Transition Period false
Entity File Number 001-43499
Entity Incorporation State Country Code E9
Entity Address Address Line 1 418 Broadway
Entity Address Address Line 2 #6538
Entity Address City Or Town Albany
Entity Address State Or Province NY
Entity Address Postal Zip Code 12207
City Area Code 345
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Local Phone Number 623-2740
Class One [Member]  
Document Information Line Items  
Security 12b Title Units, each consisting of one Class A ordinary share and one right
Trading Symbol PAXGU
Security Exchange Name NASDAQ
Class Two [Member]  
Document Information Line Items  
Security 12b Title Class A Ordinary Shares, par value $0.0001 per share
Trading Symbol PAXG
Security Exchange Name NASDAQ
Class Three [Member]  
Document Information Line Items  
Security 12b Title Rights, each entitling the holder to three-fourths of one Class A ordinary share upon the completion of the Company’s initial business combination
Trading Symbol PAXGR
Security Exchange Name NASDAQ