v3.26.1
Cover
Jul. 09, 2026
Document Information [Line Items]  
Document Type S-1/A
Amendment Flag false
Entity Information [Line Items]  
Entity Registrant Name BOA Acquisition Corp. II
Entity Central Index Key 0002080216
Entity Primary SIC Number 6770
Entity Incorporation, State or Country Code E9
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Contact Personnel [Line Items]  
Entity Address, Address Line One 2600 Virginia Ave NW
Entity Address, Address Line Two Suite T23 Management Office
Entity Address, State or Province DC
Entity Address, Postal Zip Code 20037
Entity Phone Fax Numbers [Line Items]  
City Area Code 888
Local Phone Number 211-3261
Business Contact [Member]  
Entity Contact Personnel [Line Items]  
Contact Personnel Name Benjamin A. Friedman
Entity Address, Address Line One 2600 Virginia Ave NW
Entity Address, Address Line Two Suite T23 Management Office
Entity Address, State or Province DC
Entity Address, Postal Zip Code 20037
Entity Phone Fax Numbers [Line Items]  
City Area Code 888
Local Phone Number 211-3261