v3.26.1
Document and Entity Information
Aug. 03, 2026
Document And Entity Information [Line Items]  
Entity Tax Identification Number 00-0000000
Entity Address, State or Province DC
Amendment Flag false
Entity Central Index Key 0002080216
Current Fiscal Year End Date --12-31
Document Type 8-K
Document Period End Date Aug. 03, 2026
Entity Registrant Name BOA Acquisition Corp. II
Entity Incorporation State Country Code E9
Entity File Number 001-43433
Entity Address, Address Line One 2600 Virginia Ave NW
Entity Address, Address Line Two Suite T23 Management Office
Entity Address, City or Town Washington
Entity Address, Postal Zip Code 20037
City Area Code (888)
Local Phone Number 211-3261
Written Communications false
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 Class A Ordinary Share And One Right To One Class A Ordinary Share [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Units, each consisting of one Class A Ordinary Share and one Right to one Class A Ordinary Share
Trading Symbol THEOU
Security Exchange Name NASDAQ
Class A Ordinary Shares Par Value 0.0001 Per Share [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Class A Ordinary Shares, par value $0.0001 per share
Trading Symbol THEO
Security Exchange Name NASDAQ
Stock Appreciation Rights (SARs) [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Rights, each right entitling the holder to receive one-eighth of one ordinary share
Trading Symbol THEOR
Security Exchange Name NASDAQ