v3.25.1
Document and Entity Information
Jun. 03, 2025
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Jun. 03, 2025
Entity Registrant Name Oaktree Acquisition Corp. III Life Sciences
Entity Incorporation State Country Code E9
Entity File Number 001-42383
Entity Tax Identification Number 98-1799512
Entity Address Address Line 1 333 South Grand Avenue, 28th Floor
Entity Address City Or Town Los Angeles
Entity Address State Or Province CA
Entity Address Postal Zip Code 90071
Country Region +1
City Area Code 213
Local Phone Number 830-6300
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
Amendment Flag false
Entity Central Index Key 0002029769
Class A ordinary shares [Member]  
Document Information [Line Items]  
Security 12b Title Class A ordinary shares included as part of the units
Trading Symbol OACC
Security Exchange Name NASDAQ
Redeemable warrants [Member]  
Document Information [Line Items]  
Security 12b Title Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Trading Symbol OACCW
Security Exchange Name NASDAQ
Common Class A [Member]  
Document Information [Line Items]  
Security 12b Title Units, each consisting of one Class A ordinary share, $0.0001 par value, andone-fifthof one redeemable warrant
Trading Symbol OACCU
Security Exchange Name NASDAQ