v3.26.3
N-2
Oct. 09, 2026
Cover [Abstract]  
Entity Central Index Key 0001566388
Amendment Flag false
Securities Act File Number 333-299195
Investment Company Act File Number 811-22791
Document Type N-2
Document Registration Statement true
Pre-Effective Amendment false
Post-Effective Amendment false
Investment Company Act Registration true
Investment Company Registration Amendment true
Investment Company Registration Amendment Number 10
Entity Registrant Name DOUBLELINE INCOME SOLUTIONS FUND
Entity Address, Address Line One 2002 North Tampa Street
Entity Address, Address Line Two Suite 200
Entity Address, City or Town Tampa
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33602
City Area Code 213
Local Phone Number 633-8200
Approximate Date of Commencement of Proposed Sale to Public From time to time after the effective date of this Registration Statement
Dividend or Interest Reinvestment Plan Only false
Delayed or Continuous Offering true
Primary Shelf [Flag] true
Effective Upon Filing, 462(e) true
Additional Securities Effective, 413(b) false
Effective when Declared, Section 8(c) false
New Effective Date for Previous Filing false
Additional Securities. 462(b) false
No Substantive Changes, 462(c) false
Exhibits Only, 462(d) true
Exhibits Only, 462(d), File Number 333-299195
Registered Closed-End Fund [Flag] true
Business Development Company [Flag] false
Interval Fund [Flag] false
Primary Shelf Qualified [Flag] true
Entity Well-known Seasoned Issuer Yes
Entity Emerging Growth Company false
New CEF or BDC Registrant [Flag] false
Business Contact [Member]  
Cover [Abstract]  
Entity Address, Address Line One 2002 North Tampa Street
Entity Address, Address Line Two Suite 200
Entity Address, City or Town Tampa
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33602
Contact Personnel Name Ronald R. Redell