v3.25.2
N-2
 12 Months Ended
Jul. 31, 2025
$ / shares
shares
Cover [Abstract]  
Entity Central Index Key 0002041900
Amendment Flag false
Entity Inv Company Type N-2
Document Type N-CSR
Entity Registrant Name Columbia Credit Income Opportunities Fund
Class A [Member]  
General Description of Registrant [Abstract]  
NAV Per Share | $ / shares $ 20.36
Capital Stock, Long-Term Debt, and Other Securities [Abstract]  
Outstanding Security, Title [Text Block] Class A
Outstanding Security, Held [Shares] | shares 2,715,681
Institutional Class [Member]  
General Description of Registrant [Abstract]  
NAV Per Share | $ / shares $ 20.38
Capital Stock, Long-Term Debt, and Other Securities [Abstract]  
Outstanding Security, Title [Text Block] Institutional Class
Outstanding Security, Held [Shares] | shares 138,497