v3.26.1
Document and Entity Information
Jun. 24, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 24, 2026
Entity Registrant Name PIMCO Income Strategy Fund II
Entity Incorporation State Country Code MA
Entity File Number 811-21601
Entity Tax Identification Number 20-1619298
Entity Address Address Line 1 1633 Broadway
Entity Address City Or Town New York
Entity Address State Or Province NY
Entity Address Postal Zip Code 10019
City Area Code 844
Local Phone Number 337-4626
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common shares
Trading Symbol PFN
Security Exchange Name NYSE
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0001296250