Shareholder Report, Holdings (Details)	May 31, 2025
Columbia High Yield Bond Fund - Class A \| Columbia US High Yield ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Class A \| Alliant Holdings Intermediate LLC coissuer October Fifteen Two Thousand Twenty Seven Six Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%
Columbia High Yield Bond Fund - Class A \| American Airlines Inc AAdvantage Loyalty LP Ltd April Twenty Two Thousand Twenty Nine Five Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class A \| HUB International Ltd June Fifteen Two Thousand Thirty Seven Point Two Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class A \| DISH Network Corp November Fifteen Two Thousand Twenty Seven Eleven Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class A \| CCO Holdings LLC Capital Corp March Zero One Two Thousand Thirty Four Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class A \| Cloud Software Group Inc September Thirty Two Thousand Twenty Nine Nine Point Zero Zero Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class A \| Altice France SA July Fifteen Two Thousand Twenty Nine Five Point One Two Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class A \| Broadstreet Partners Inc April Fifteen Two Thousand Twenty Nine Five Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class A \| Zoominfo Technologies LLC Finance Corp February Zero One Two Thousand Twenty Nine Three Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class A \| B B B rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Class A \| B B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	48.40%
Columbia High Yield Bond Fund - Class A \| B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	33.60%
Columbia High Yield Bond Fund - Class A \| C C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.10%
Columbia High Yield Bond Fund - Class A \| C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Class A \| Not Rated [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.20%
Columbia High Yield Bond Fund - Class A \| Corporate Bonds And Notes [Member]
Holdings [Line Items]
Percent of Net Asset Value	93.50%
Columbia High Yield Bond Fund - Class A \| Money Market Fund [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%
Columbia High Yield Bond Fund - Class A \| Senior Loans [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia High Yield Bond Fund - Class A \| Exchange Traded Fixed Income Funds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Class A \| Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia High Yield Bond Fund -Class C \| Columbia US High Yield ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund -Class C \| Alliant Holdings Intermediate LLC coissuer October Fifteen Two Thousand Twenty Seven Six Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%
Columbia High Yield Bond Fund -Class C \| American Airlines Inc AAdvantage Loyalty LP Ltd April Twenty Two Thousand Twenty Nine Five Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund -Class C \| HUB International Ltd June Fifteen Two Thousand Thirty Seven Point Two Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund -Class C \| DISH Network Corp November Fifteen Two Thousand Twenty Seven Eleven Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund -Class C \| CCO Holdings LLC Capital Corp March Zero One Two Thousand Thirty Four Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund -Class C \| Cloud Software Group Inc September Thirty Two Thousand Twenty Nine Nine Point Zero Zero Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund -Class C \| Altice France SA July Fifteen Two Thousand Twenty Nine Five Point One Two Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund -Class C \| Broadstreet Partners Inc April Fifteen Two Thousand Twenty Nine Five Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund -Class C \| Zoominfo Technologies LLC Finance Corp February Zero One Two Thousand Twenty Nine Three Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund -Class C \| B B B rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund -Class C \| B B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	48.40%
Columbia High Yield Bond Fund -Class C \| B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	33.60%
Columbia High Yield Bond Fund -Class C \| C C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.10%
Columbia High Yield Bond Fund -Class C \| C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund -Class C \| Not Rated [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.20%
Columbia High Yield Bond Fund -Class C \| Corporate Bonds And Notes [Member]
Holdings [Line Items]
Percent of Net Asset Value	93.50%
Columbia High Yield Bond Fund -Class C \| Money Market Fund [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%
Columbia High Yield Bond Fund -Class C \| Senior Loans [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia High Yield Bond Fund -Class C \| Exchange Traded Fixed Income Funds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund -Class C \| Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia High Yield Bond Fund - Institutional Class \| Columbia US High Yield ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Institutional Class \| Alliant Holdings Intermediate LLC coissuer October Fifteen Two Thousand Twenty Seven Six Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%
Columbia High Yield Bond Fund - Institutional Class \| American Airlines Inc AAdvantage Loyalty LP Ltd April Twenty Two Thousand Twenty Nine Five Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional Class \| HUB International Ltd June Fifteen Two Thousand Thirty Seven Point Two Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional Class \| DISH Network Corp November Fifteen Two Thousand Twenty Seven Eleven Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional Class \| CCO Holdings LLC Capital Corp March Zero One Two Thousand Thirty Four Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional Class \| Cloud Software Group Inc September Thirty Two Thousand Twenty Nine Nine Point Zero Zero Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional Class \| Altice France SA July Fifteen Two Thousand Twenty Nine Five Point One Two Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional Class \| Broadstreet Partners Inc April Fifteen Two Thousand Twenty Nine Five Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional Class \| Zoominfo Technologies LLC Finance Corp February Zero One Two Thousand Twenty Nine Three Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional Class \| B B B rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Institutional Class \| B B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	48.40%
Columbia High Yield Bond Fund - Institutional Class \| B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	33.60%
Columbia High Yield Bond Fund - Institutional Class \| C C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.10%
Columbia High Yield Bond Fund - Institutional Class \| C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Institutional Class \| Not Rated [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.20%
Columbia High Yield Bond Fund - Institutional Class \| Corporate Bonds And Notes [Member]
Holdings [Line Items]
Percent of Net Asset Value	93.50%
Columbia High Yield Bond Fund - Institutional Class \| Money Market Fund [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%
Columbia High Yield Bond Fund - Institutional Class \| Senior Loans [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia High Yield Bond Fund - Institutional Class \| Exchange Traded Fixed Income Funds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Institutional Class \| Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia High Yield Bond Fund - Institutional 2 Class \| Columbia US High Yield ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Institutional 2 Class \| Alliant Holdings Intermediate LLC coissuer October Fifteen Two Thousand Twenty Seven Six Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%
Columbia High Yield Bond Fund - Institutional 2 Class \| American Airlines Inc AAdvantage Loyalty LP Ltd April Twenty Two Thousand Twenty Nine Five Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 2 Class \| HUB International Ltd June Fifteen Two Thousand Thirty Seven Point Two Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 2 Class \| DISH Network Corp November Fifteen Two Thousand Twenty Seven Eleven Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 2 Class \| CCO Holdings LLC Capital Corp March Zero One Two Thousand Thirty Four Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 2 Class \| Cloud Software Group Inc September Thirty Two Thousand Twenty Nine Nine Point Zero Zero Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 2 Class \| Altice France SA July Fifteen Two Thousand Twenty Nine Five Point One Two Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 2 Class \| Broadstreet Partners Inc April Fifteen Two Thousand Twenty Nine Five Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 2 Class \| Zoominfo Technologies LLC Finance Corp February Zero One Two Thousand Twenty Nine Three Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 2 Class \| B B B rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Institutional 2 Class \| B B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	48.40%
Columbia High Yield Bond Fund - Institutional 2 Class \| B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	33.60%
Columbia High Yield Bond Fund - Institutional 2 Class \| C C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.10%
Columbia High Yield Bond Fund - Institutional 2 Class \| C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Institutional 2 Class \| Not Rated [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.20%
Columbia High Yield Bond Fund - Institutional 2 Class \| Corporate Bonds And Notes [Member]
Holdings [Line Items]
Percent of Net Asset Value	93.50%
Columbia High Yield Bond Fund - Institutional 2 Class \| Money Market Fund [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%
Columbia High Yield Bond Fund - Institutional 2 Class \| Senior Loans [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia High Yield Bond Fund - Institutional 2 Class \| Exchange Traded Fixed Income Funds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Institutional 2 Class \| Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia High Yield Bond Fund - Institutional 3 Class \| Columbia US High Yield ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Institutional 3 Class \| Alliant Holdings Intermediate LLC coissuer October Fifteen Two Thousand Twenty Seven Six Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%
Columbia High Yield Bond Fund - Institutional 3 Class \| American Airlines Inc AAdvantage Loyalty LP Ltd April Twenty Two Thousand Twenty Nine Five Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 3 Class \| HUB International Ltd June Fifteen Two Thousand Thirty Seven Point Two Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 3 Class \| DISH Network Corp November Fifteen Two Thousand Twenty Seven Eleven Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 3 Class \| CCO Holdings LLC Capital Corp March Zero One Two Thousand Thirty Four Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 3 Class \| Cloud Software Group Inc September Thirty Two Thousand Twenty Nine Nine Point Zero Zero Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 3 Class \| Altice France SA July Fifteen Two Thousand Twenty Nine Five Point One Two Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 3 Class \| Broadstreet Partners Inc April Fifteen Two Thousand Twenty Nine Five Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 3 Class \| Zoominfo Technologies LLC Finance Corp February Zero One Two Thousand Twenty Nine Three Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Institutional 3 Class \| B B B rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Institutional 3 Class \| B B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	48.40%
Columbia High Yield Bond Fund - Institutional 3 Class \| B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	33.60%
Columbia High Yield Bond Fund - Institutional 3 Class \| C C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.10%
Columbia High Yield Bond Fund - Institutional 3 Class \| C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Institutional 3 Class \| Not Rated [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.20%
Columbia High Yield Bond Fund - Institutional 3 Class \| Corporate Bonds And Notes [Member]
Holdings [Line Items]
Percent of Net Asset Value	93.50%
Columbia High Yield Bond Fund - Institutional 3 Class \| Money Market Fund [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%
Columbia High Yield Bond Fund - Institutional 3 Class \| Senior Loans [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia High Yield Bond Fund - Institutional 3 Class \| Exchange Traded Fixed Income Funds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Institutional 3 Class \| Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia High Yield Bond Fund - Class R \| Columbia US High Yield ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Class R \| Alliant Holdings Intermediate LLC coissuer October Fifteen Two Thousand Twenty Seven Six Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%
Columbia High Yield Bond Fund - Class R \| American Airlines Inc AAdvantage Loyalty LP Ltd April Twenty Two Thousand Twenty Nine Five Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class R \| HUB International Ltd June Fifteen Two Thousand Thirty Seven Point Two Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class R \| DISH Network Corp November Fifteen Two Thousand Twenty Seven Eleven Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class R \| CCO Holdings LLC Capital Corp March Zero One Two Thousand Thirty Four Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class R \| Cloud Software Group Inc September Thirty Two Thousand Twenty Nine Nine Point Zero Zero Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class R \| Altice France SA July Fifteen Two Thousand Twenty Nine Five Point One Two Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class R \| Broadstreet Partners Inc April Fifteen Two Thousand Twenty Nine Five Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class R \| Zoominfo Technologies LLC Finance Corp February Zero One Two Thousand Twenty Nine Three Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class R \| B B B rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Class R \| B B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	48.40%
Columbia High Yield Bond Fund - Class R \| B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	33.60%
Columbia High Yield Bond Fund - Class R \| C C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.10%
Columbia High Yield Bond Fund - Class R \| C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Class R \| Not Rated [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.20%
Columbia High Yield Bond Fund - Class R \| Corporate Bonds And Notes [Member]
Holdings [Line Items]
Percent of Net Asset Value	93.50%
Columbia High Yield Bond Fund - Class R \| Money Market Fund [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%
Columbia High Yield Bond Fund - Class R \| Senior Loans [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia High Yield Bond Fund - Class R \| Exchange Traded Fixed Income Funds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Class R \| Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia High Yield Bond Fund - Class S \| Columbia US High Yield ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Class S \| Alliant Holdings Intermediate LLC coissuer October Fifteen Two Thousand Twenty Seven Six Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%
Columbia High Yield Bond Fund - Class S \| American Airlines Inc AAdvantage Loyalty LP Ltd April Twenty Two Thousand Twenty Nine Five Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class S \| HUB International Ltd June Fifteen Two Thousand Thirty Seven Point Two Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class S \| DISH Network Corp November Fifteen Two Thousand Twenty Seven Eleven Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class S \| CCO Holdings LLC Capital Corp March Zero One Two Thousand Thirty Four Point Seven Five Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class S \| Cloud Software Group Inc September Thirty Two Thousand Twenty Nine Nine Point Zero Zero Zero Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class S \| Altice France SA July Fifteen Two Thousand Twenty Nine Five Point One Two Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class S \| Broadstreet Partners Inc April Fifteen Two Thousand Twenty Nine Five Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class S \| Zoominfo Technologies LLC Finance Corp February Zero One Two Thousand Twenty Nine Three Point Eight Seven Five Percent [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%
Columbia High Yield Bond Fund - Class S \| B B B rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Class S \| B B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	48.40%
Columbia High Yield Bond Fund - Class S \| B Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	33.60%
Columbia High Yield Bond Fund - Class S \| C C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.10%
Columbia High Yield Bond Fund - Class S \| C C Rating [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%
Columbia High Yield Bond Fund - Class S \| Not Rated [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.20%
Columbia High Yield Bond Fund - Class S \| Corporate Bonds And Notes [Member]
Holdings [Line Items]
Percent of Net Asset Value	93.50%
Columbia High Yield Bond Fund - Class S \| Money Market Fund [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%
Columbia High Yield Bond Fund - Class S \| Senior Loans [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia High Yield Bond Fund - Class S \| Exchange Traded Fixed Income Funds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.00%
Columbia High Yield Bond Fund - Class S \| Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%

Shareholder Report, Holdings (Details)

May 31, 2025