| Form N-CSR Cover | 6 Months Ended |
| Jul. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Columbia Funds Series Trust II |
| Entity Central Index Key | 0001352280 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jul. 31, 2024 |
| Shareholder Report | 6 Months Ended |
| Jul. 31, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Columbia Funds Series Trust II |
| Entity Central Index Key | 0001352280 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jul. 31, 2024 |
| Columbia Capital Allocation Conservative Portfolio Class A | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Conservative Portfolio |
| Class Name | Class A |
| Trading Symbol | ABDAX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Class A $ 0.54 % |
| Expenses Paid, Amount | $ 27 |
| Expense Ratio, Percent | 0.54% |
| Net Assets | $ 162,108,717 |
| Holdings Count | Holding | 26 |
| Investment Company, Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 26 Portfolio turnover for the reporting period 2% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Bond Fund, Institutional 3 Class 20.1 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 14.5 % Columbia Quality Income Fund, Institutional 3 Class 14.3 % Columbia Corporate Income Fund, Institutional 3 Class 11.8 % Columbia High Yield Bond Fund, Institutional 3 Class 7.5 % Columbia Overseas Core Fund, Institutional 3 Class 5.0 % Columbia Contrarian Core Fund, Institutional 3 Class 4.6 % Columbia Disciplined Core Fund, Institutional 3 Class 3.9 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 3.8 % Columbia Emerging Markets Bond Fund, Institutional 3 Class 2.0 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Bond Fund, Institutional 3 Class 20.1 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 14.5 % Columbia Quality Income Fund, Institutional 3 Class 14.3 % Columbia Corporate Income Fund, Institutional 3 Class 11.8 % Columbia High Yield Bond Fund, Institutional 3 Class 7.5 % Columbia Overseas Core Fund, Institutional 3 Class 5.0 % Columbia Contrarian Core Fund, Institutional 3 Class 4.6 % Columbia Disciplined Core Fund, Institutional 3 Class 3.9 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 3.8 % Columbia Emerging Markets Bond Fund, Institutional 3 Class 2.0 % |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Conservative Portfolio |
| Class Name | Advisor Class |
| Trading Symbol | CPCYX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Advisor Class $ 0.29 % |
| Expenses Paid, Amount | $ 15 |
| Expense Ratio, Percent | 0.29% |
| Net Assets | $ 162,108,717 |
| Holdings Count | Holding | 26 |
| Investment Company, Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 26 Portfolio turnover for the reporting period 2% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Bond Fund, Institutional 3 Class 20.1 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 14.5 % Columbia Quality Income Fund, Institutional 3 Class 14.3 % Columbia Corporate Income Fund, Institutional 3 Class 11.8 % Columbia High Yield Bond Fund, Institutional 3 Class 7.5 % Columbia Overseas Core Fund, Institutional 3 Class 5.0 % Columbia Contrarian Core Fund, Institutional 3 Class 4.6 % Columbia Disciplined Core Fund, Institutional 3 Class 3.9 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 3.8 % Columbia Emerging Markets Bond Fund, Institutional 3 Class 2.0 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Bond Fund, Institutional 3 Class 20.1 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 14.5 % Columbia Quality Income Fund, Institutional 3 Class 14.3 % Columbia Corporate Income Fund, Institutional 3 Class 11.8 % Columbia High Yield Bond Fund, Institutional 3 Class 7.5 % Columbia Overseas Core Fund, Institutional 3 Class 5.0 % Columbia Contrarian Core Fund, Institutional 3 Class 4.6 % Columbia Disciplined Core Fund, Institutional 3 Class 3.9 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 3.8 % Columbia Emerging Markets Bond Fund, Institutional 3 Class 2.0 % |
| Columbia Capital Allocation Conservative Portfolio Class C | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Conservative Portfolio |
| Class Name | Class C |
| Trading Symbol | RPCCX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Class C $ 1.29 % |
| Expenses Paid, Amount | $ 65 |
| Expense Ratio, Percent | 1.29% |
| Net Assets | $ 162,108,717 |
| Holdings Count | Holding | 26 |
| Investment Company, Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 26 Portfolio turnover for the reporting period 2% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Bond Fund, Institutional 3 Class 20.1 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 14.5 % Columbia Quality Income Fund, Institutional 3 Class 14.3 % Columbia Corporate Income Fund, Institutional 3 Class 11.8 % Columbia High Yield Bond Fund, Institutional 3 Class 7.5 % Columbia Overseas Core Fund, Institutional 3 Class 5.0 % Columbia Contrarian Core Fund, Institutional 3 Class 4.6 % Columbia Disciplined Core Fund, Institutional 3 Class 3.9 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 3.8 % Columbia Emerging Markets Bond Fund, Institutional 3 Class 2.0 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Bond Fund, Institutional 3 Class 20.1 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 14.5 % Columbia Quality Income Fund, Institutional 3 Class 14.3 % Columbia Corporate Income Fund, Institutional 3 Class 11.8 % Columbia High Yield Bond Fund, Institutional 3 Class 7.5 % Columbia Overseas Core Fund, Institutional 3 Class 5.0 % Columbia Contrarian Core Fund, Institutional 3 Class 4.6 % Columbia Disciplined Core Fund, Institutional 3 Class 3.9 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 3.8 % Columbia Emerging Markets Bond Fund, Institutional 3 Class 2.0 % |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Conservative Portfolio |
| Class Name | Institutional Class |
| Trading Symbol | CBVZX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Institutional Class $ 0.29 % |
| Expenses Paid, Amount | $ 15 |
| Expense Ratio, Percent | 0.29% |
| Net Assets | $ 162,108,717 |
| Holdings Count | Holding | 26 |
| Investment Company, Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 26 Portfolio turnover for the reporting period 2% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Bond Fund, Institutional 3 Class 20.1 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 14.5 % Columbia Quality Income Fund, Institutional 3 Class 14.3 % Columbia Corporate Income Fund, Institutional 3 Class 11.8 % Columbia High Yield Bond Fund, Institutional 3 Class 7.5 % Columbia Overseas Core Fund, Institutional 3 Class 5.0 % Columbia Contrarian Core Fund, Institutional 3 Class 4.6 % Columbia Disciplined Core Fund, Institutional 3 Class 3.9 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 3.8 % Columbia Emerging Markets Bond Fund, Institutional 3 Class 2.0 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Bond Fund, Institutional 3 Class 20.1 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 14.5 % Columbia Quality Income Fund, Institutional 3 Class 14.3 % Columbia Corporate Income Fund, Institutional 3 Class 11.8 % Columbia High Yield Bond Fund, Institutional 3 Class 7.5 % Columbia Overseas Core Fund, Institutional 3 Class 5.0 % Columbia Contrarian Core Fund, Institutional 3 Class 4.6 % Columbia Disciplined Core Fund, Institutional 3 Class 3.9 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 3.8 % Columbia Emerging Markets Bond Fund, Institutional 3 Class 2.0 % |
| Columbia Capital Allocation Aggressive Portfolio Class C | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Aggressive Portfolio |
| Class Name | Class C |
| Trading Symbol | RBGCX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Class C $ 1.14 % |
| Expenses Paid, Amount | $ 60 |
| Expense Ratio, Percent | 1.14% |
| Net Assets | $ 1,306,334,900 |
| Holdings Count | Holding | 25 |
| Investment Company, Portfolio Turnover | 1% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 25 Portfolio turnover for the reporting period 1% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's po rtfoli Top Holdings Columbia Large Cap Growth Fund, Institutional 3 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Large Cap Growth Fund, Institutional 3 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Aggressive Portfolio |
| Class Name | Institutional Class |
| Trading Symbol | CPAZX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Institutional Class $ 0.14 % |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.14% |
| Net Assets | $ 1,306,334,900 |
| Holdings Count | Holding | 25 |
| Investment Company, Portfolio Turnover | 1% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 25 Portfolio turnover for the reporting period 1% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted Top Holdings Columbia Large Cap Growth Fund, Institutional 3 Class 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Large Cap Growth Fund, Institutional 3 Class 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Aggressive Portfolio |
| Class Name | Institutional 3 Class |
| Trading Symbol | CPDIX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Institutional 3 Class $ 0.06 % |
| Expenses Paid, Amount | $ 3 |
| Expense Ratio, Percent | 0.06% |
| Net Assets | $ 1,306,334,900 |
| Holdings Count | Holding | 25 |
| Investment Company, Portfolio Turnover | 1% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 25 Portfolio turnover for the reporting period 1% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition Top Holdings Columbia Large Cap Growth Fund, Institutional 3 Class 15.9 % Columbia Contrarian Core Fund, Ins titu 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Large Cap Growth Fund, Institutional 3 Class 15.9 % Columbia Contrarian Core Fund, Ins titu 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % |
| Columbia Capital Allocation Aggressive Portfolio Class R | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Aggressive Portfolio |
| Class Name | Class R |
| Trading Symbol | CPARX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Class R $ 0.64 % |
| Expenses Paid, Amount | $ 34 |
| Expense Ratio, Percent | 0.64% |
| Net Assets | $ 1,306,334,900 |
| Holdings Count | Holding | 25 |
| Investment Company, Portfolio Turnover | 1% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 25 Portfolio turnover for the reporting period 1% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup Top Holdings Columbia Large Cap Growth Fund, I nstitutio 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Large Cap Growth Fund, I nstitutio 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % |
| Columbia Capital Allocation Moderate Portfolio Class A | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Moderate Portfolio |
| Class Name | Class A |
| Trading Symbol | ABUAX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Class A $ 0.38 % |
| Expenses Paid, Amount | $ 20 |
| Expense Ratio, Percent | 0.38% |
| Net Assets | $ 1,085,660,871 |
| Holdings Count | Holding | 26 |
| Investment Company, Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 26 Portfolio turnover for the reporting period 2% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Moderate Portfolio |
| Class Name | Advisor Class |
| Trading Symbol | CPCZX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Advisor Class $ 0.13 % |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.13% |
| Net Assets | $ 1,085,660,871 |
| Holdings Count | Holding | 26 |
| Investment Company, Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 26 Portfolio turnover for the reporting period 2% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % |
| Columbia Capital Allocation Moderate Portfolio Class C | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Moderate Portfolio |
| Class Name | Class C |
| Trading Symbol | AMTCX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Class C $ 1.13 % |
| Expenses Paid, Amount | $ 58 |
| Expense Ratio, Percent | 1.13% |
| Net Assets | $ 1,085,660,871 |
| Holdings Count | Holding | 26 |
| Investment Company, Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 26 Portfolio turnover for the reporting period 2% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Moderate Portfolio |
| Class Name | Institutional Class |
| Trading Symbol | CBMZX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Institutional Class $ 0.13 % |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.13% |
| Net Assets | $ 1,085,660,871 |
| Holdings Count | Holding | 26 |
| Investment Company, Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 26 Portfolio turnover for the reporting period 2% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Hold Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % Asset Categories |
| Largest Holdings [Text Block] | Top Hold Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Moderate Portfolio |
| Class Name | Institutional 3 Class |
| Trading Symbol | CPDMX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Institutional 3 Class $ 0.07 % |
| Expenses Paid, Amount | $ 4 |
| Expense Ratio, Percent | 0.07% |
| Net Assets | $ 1,085,660,871 |
| Holdings Count | Holding | 26 |
| Investment Company, Portfolio Turnover | 2% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 26 Portfolio turnover for the reporting period 2% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Bond Fund, Institutional 3 Class 12.1 % Columbia Overseas Core Fund, Institutional 3 Class 11.0 % Columbia High Yield Bond Fund, Institutional 3 Class 10.5 % Columbia Quality Income Fund, Institutional 3 Class 9.9 % Columbia Large Cap Growth Fund, Institutional 3 Class 9.6 % Columbia Contrarian Core Fund, Institutional 3 Class 8.6 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 8.6 % Columbia Corporate Income Fund, Institutional 3 Class 7.9 % Columbia Large Cap Value Fund, Institutional 3 Class 7.6 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 6.5 % |
| Columbia Capital Allocation Aggressive Portfolio Class A | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Aggressive Portfolio |
| Class Name | Class A |
| Trading Symbol | AXBAX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Class A $ 0.39 % |
| Expenses Paid, Amount | $ 20 |
| Expense Ratio, Percent | 0.39% |
| Net Assets | $ 1,306,334,900 |
| Holdings Count | Holding | 25 |
| Investment Company, Portfolio Turnover | 1% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 25 Portfolio turnover for the reporting period 1% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Large Cap Growth Fund, Institutional 3 Class 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institution al 1.9 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Large Cap Growth Fund, Institutional 3 Class 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institution al 1.9 % |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Capital Allocation Aggressive Portfolio |
| Class Name | Advisor Class |
| Trading Symbol | CPDAX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. |
| Additional Information Phone Number | 1-800-345-6611 |
| Additional Information Website | columbiathreadneedleus.com/resources/literature |
| Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Advisor Class $ 0.14 % |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.14% |
| Net Assets | $ 1,306,334,900 |
| Holdings Count | Holding | 25 |
| Investment Company, Portfolio Turnover | 1% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 25 Portfolio turnover for the reporting period 1% |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Top Holdings Columbia Large Cap Growth Fund, Institutional 3 Cla 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % Asset Categories |
| Largest Holdings [Text Block] | Top Holdings Columbia Large Cap Growth Fund, Institutional 3 Cla 15.9 % Columbia Contrarian Core Fund, Institutional 3 Class 14.8 % Columbia Select Large Cap Equity Fund, Institutional 3 Class 14.4 % Columbia Overseas Core Fund, Institutional 3 Class 14.1 % Columbia Large Cap Value Fund, Institutional 3 Class 11.6 % Columbia High Yield Bond Fund, Institutional 3 Class 6.9 % Columbia Emerging Markets Fund, Institutional 3 Class 5.9 % Columbia Quality Income Fund, Institutional 3 Class 4.8 % Columbia Corporate Income Fund, Institutional 3 Class 3.7 % Columbia U.S. Treasury Index Fund, Institutional 3 Class 1.9 % |
| Shareholder Report, Holdings (Details) | Jul. 31, 2024 |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.80% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.10% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.60% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia Emerging Markets Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.90% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 80.10% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.90% |
| Columbia Capital Allocation Aggressive Portfolio Advisor Class | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.80% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.10% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.60% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia Emerging Markets Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.90% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 80.10% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.90% |
| Columbia Capital Allocation Aggressive Portfolio Class A | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.60% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.50% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.50% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Columbia Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.10% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 49.40% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 48.40% |
| Columbia Capital Allocation Moderate Portfolio Institutional 3 Class | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.60% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.50% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.50% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Columbia Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.10% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 49.40% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 48.40% |
| Columbia Capital Allocation Moderate Portfolio Institutional Class | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.60% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.50% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.50% |
| Columbia Capital Allocation Moderate Portfolio Class C | Columbia Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.10% |
| Columbia Capital Allocation Moderate Portfolio Class C | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 49.40% |
| Columbia Capital Allocation Moderate Portfolio Class C | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 48.40% |
| Columbia Capital Allocation Moderate Portfolio Class C | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.60% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.50% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.50% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Columbia Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.10% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 49.40% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 48.40% |
| Columbia Capital Allocation Moderate Portfolio Advisor Class | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.60% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.50% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.50% |
| Columbia Capital Allocation Moderate Portfolio Class A | Columbia Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.10% |
| Columbia Capital Allocation Moderate Portfolio Class A | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 49.40% |
| Columbia Capital Allocation Moderate Portfolio Class A | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 48.40% |
| Columbia Capital Allocation Moderate Portfolio Class A | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.80% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.10% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.60% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia Emerging Markets Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.90% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 80.10% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.90% |
| Columbia Capital Allocation Aggressive Portfolio Class R | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.80% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.10% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.60% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia Emerging Markets Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 80.10% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional 3 Class | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.80% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.10% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.60% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia Emerging Markets Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 80.10% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.90% |
| Columbia Capital Allocation Aggressive Portfolio Institutional Class | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia Large Cap Growth Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.80% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.10% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia Large Cap Value Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.60% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia Emerging Markets Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.90% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 80.10% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.90% |
| Columbia Capital Allocation Aggressive Portfolio Class C | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.30% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.80% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.10% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia Disciplined Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Columbia Emerging Markets Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 19.50% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70.20% |
| Columbia Capital Allocation Conservative Portfolio Institutional Class | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.30% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.80% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.10% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia Disciplined Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Capital Allocation Conservative Portfolio Class C | Columbia Emerging Markets Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia Capital Allocation Conservative Portfolio Class C | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 19.50% |
| Columbia Capital Allocation Conservative Portfolio Class C | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70.20% |
| Columbia Capital Allocation Conservative Portfolio Class C | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.30% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.80% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.10% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia Disciplined Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Columbia Emerging Markets Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 19.50% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70.20% |
| Columbia Capital Allocation Conservative Portfolio Advisor Class | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia Contrarian Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia Select Large Cap Equity Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia Overseas Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia High Yield Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia Quality Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.30% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia Corporate Income Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.80% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia U.S. Treasury Index Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.10% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia Disciplined Core Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Capital Allocation Conservative Portfolio Class A | Columbia Emerging Markets Bond Fund, Institutional 3 Class [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia Capital Allocation Conservative Portfolio Class A | Equity Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 19.50% |
| Columbia Capital Allocation Conservative Portfolio Class A | Fixed Income Funds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70.20% |
| Columbia Capital Allocation Conservative Portfolio Class A | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
