Columbia Funds Series Trust II N-CSRS 3 Feb 25 Certified semi-annual shareholder report (management investment company) Financial data

Form N-CSR Cover

Form N-CSR Cover	6 Months Ended
	Nov. 30, 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	Nov. 30, 2024

Shareholder Report

Shareholder Report	6 Months Ended
	Nov. 30, 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	Nov. 30, 2024
Columbia Dividend Opportunity Fund - Class A
Shareholder Report [Line Items]
Fund Name	Columbia Dividend Opportunity Fund
Class Name	Class A
Trading Symbol	INUTX
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 $ 1.00 % (a) (a) Annualized.
Expenses Paid, Amount	$ 53
Expense Ratio, Percent	1%	[1]
Net Assets	$ 2,264,970,389
Holdings Count | Holding	87
Investment Company, Portfolio Turnover	18%
Additional Fund Statistics [Text Block]	Fund net assets $ Total number of portfolio holdings 87 Portfolio turnover for the reporting period 18%
Holdings [Text Block]	Graphical Representation 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 Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 % Asset Categories Equity Sector Allocation
Largest Holdings [Text Block]	Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 %
Columbia Dividend Opportunity Fund - Class C
Shareholder Report [Line Items]
Fund Name	Columbia Dividend Opportunity Fund
Class Name	Class C
Trading Symbol	ACUIX
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 (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 $ 1.74 % (a) (a) Annualized.
Expenses Paid, Amount	$ 92
Expense Ratio, Percent	1.74%	[1]
Net Assets	$ 2,264,970,389
Holdings Count | Holding	87
Investment Company, Portfolio Turnover	18%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 87 Portfolio turnover for the reporting period 18%
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 Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 % Asset Categories Equity Sector Allocation
Largest Holdings [Text Block]	Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 %
Columbia Dividend Opportunity Fund - Institutional Class
Shareholder Report [Line Items]
Fund Name	Columbia Dividend Opportunity Fund
Class Name	Institutional Class
Trading Symbol	CDOZX
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 (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 $ 0.75 % (a) (a) Annualized.
Expenses Paid, Amount	$ 40
Expense Ratio, Percent	0.75%	[1]
Net Assets	$ 2,264,970,389
Holdings Count | Holding	87
Investment Company, Portfolio Turnover	18%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 87 Portfolio turnover for the reporting period 18%
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 Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 % Asset Categories Equity Sector Allocation
Largest Holdings [Text Block]	Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 %
Columbia Dividend Opportunity Fund - Institutional 2 Class
Shareholder Report [Line Items]
Fund Name	Columbia Dividend Opportunity Fund
Class Name	Institutional 2 Class
Trading Symbol	RSDFX
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 (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 2 Class $ 0.71 % (a) (a) Annualized.
Expenses Paid, Amount	$ 38
Expense Ratio, Percent	0.71%	[1]
Net Assets	$ 2,264,970,389
Holdings Count | Holding	87
Investment Company, Portfolio Turnover	18%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 87 Portfolio turnover for the reporting period 18%
Holdings [Text Block]	Graphical Representation of The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets Fund's Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 % Asset Categories Equity Sector Allocation
Largest Holdings [Text Block]	Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 %
Columbia Dividend Opportunity Fund - Institutional 3 Class
Shareholder Report [Line Items]
Fund Name	Columbia Dividend Opportunity Fund
Class Name	Institutional 3 Class
Trading Symbol	CDOYX
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 $ 0.66 % (a) (a) Annualized.
Expenses Paid, Amount	$ 35
Expense Ratio, Percent	0.66%	[1]
Net Assets	$ 2,264,970,389
Holdings Count | Holding	87
Investment Company, Portfolio Turnover	18%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 87 Portfolio turnover for the reporting period 18%
Holdings [Text Block]	Graphical Representation The tables below show the investment makeup of the Fund Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 % Asset Categories Equity Sector Allocation
Largest Holdings [Text Block]	Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 %
Columbia Dividend Opportunity Fund - Class R
Shareholder Report [Line Items]
Fund Name	Columbia Dividend Opportunity Fund
Class Name	Class R
Trading Symbol	RSOOX
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 $ 1.25 % (a) (a) Annualized.
Expenses Paid, Amount	$ 66
Expense Ratio, Percent	1.25%	[1]
Net Assets	$ 2,264,970,389
Holdings Count | Holding	87
Investment Company, Portfolio Turnover	18%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 87 Portfolio turnover for the reporting period 18%
Holdings [Text Block]	Graphical Representation of Fund The tables below show the investment makeup of the Fund percentage portfolio Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 % Asset Categories Equity Sector Allocation
Largest Holdings [Text Block]	Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 %
Columbia Dividend Opportunity Fund - Class S
Shareholder Report [Line Items]
Fund Name	Columbia Dividend Opportunity Fund
Class Name	Class S
Trading Symbol	CDOAX
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 S $ (a) 0.78 % (b) (a) Based on operations from October 2, 2024 (commencement of operations (b) Annualized.
Expenses Paid, Amount	$ 12	[2]
Expense Ratio, Percent	0.78%	[1]
Net Assets	$ 2,264,970,389
Holdings Count | Holding	87
Investment Company, Portfolio Turnover	18%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 87 Portfolio turnover for the reporting period 18%
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 Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 % Asset Categories Equity Sector Allocation
Largest Holdings [Text Block]	Top Holdings Exxon Mobil Corp. 4.0 % JPMorgan Chase & Co. 3.1 % AbbVie, Inc. 2.7 % Johnson & Johnson 2.6 % International Business Machines Corp. 2.6 % Goldman Sachs Group, Inc. (The) 2.6 % Bank of America Corp. 2.4 % Cisco Systems, Inc. 2.3 % Chevron Corp. 2.3 % Home Depot, Inc. (The) 2.4 %
[1]Annualized.[2]Based on operations from October 2, 2024 (commencement of operations) through the stated period end. Had the class been open for the entire reporting period, expenses shown in the table above would have been higher.

Shareholder Report, Holdings (D

Shareholder Report, Holdings (Details)	Nov. 30, 2024
Columbia Dividend Opportunity Fund - Class A | Exxon Mobil Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Dividend Opportunity Fund - Class A | JPMorgan Chase & Co. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Dividend Opportunity Fund - Class A | AbbVie, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Dividend Opportunity Fund - Class A | Johnson & Johnson [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class A | International Business Machines Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class A | Goldman Sachs Group, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class A | Bank of America Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Class A | Cisco Systems, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Class A | Chevron Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Class A | Home Depot, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Class A | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	21%
Columbia Dividend Opportunity Fund - Class A | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Columbia Dividend Opportunity Fund - Class A | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Dividend Opportunity Fund - Class A | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.10%
Columbia Dividend Opportunity Fund - Class A | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.60%
Columbia Dividend Opportunity Fund - Class A | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.70%
Columbia Dividend Opportunity Fund - Class A | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.40%
Columbia Dividend Opportunity Fund - Class A | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.80%
Columbia Dividend Opportunity Fund - Class A | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
Columbia Dividend Opportunity Fund - Class A | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Dividend Opportunity Fund - Class A | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Dividend Opportunity Fund - Class A | Common Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	95%
Columbia Dividend Opportunity Fund - Class A | Convertible Preferred Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Dividend Opportunity Fund - Class A | Convertible Bonds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%
Columbia Dividend Opportunity Fund - Class A | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Columbia Dividend Opportunity Fund - Class C | Exxon Mobil Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Dividend Opportunity Fund - Class C | JPMorgan Chase & Co. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Dividend Opportunity Fund - Class C | AbbVie, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Dividend Opportunity Fund - Class C | Johnson & Johnson [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class C | International Business Machines Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class C | Goldman Sachs Group, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class C | Bank of America Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Class C | Cisco Systems, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Class C | Chevron Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Class C | Home Depot, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Class C | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	21%
Columbia Dividend Opportunity Fund - Class C | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Columbia Dividend Opportunity Fund - Class C | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Dividend Opportunity Fund - Class C | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.10%
Columbia Dividend Opportunity Fund - Class C | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.60%
Columbia Dividend Opportunity Fund - Class C | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.70%
Columbia Dividend Opportunity Fund - Class C | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.40%
Columbia Dividend Opportunity Fund - Class C | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.80%
Columbia Dividend Opportunity Fund - Class C | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
Columbia Dividend Opportunity Fund - Class C | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Dividend Opportunity Fund - Class C | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Dividend Opportunity Fund - Class C | Common Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	95%
Columbia Dividend Opportunity Fund - Class C | Convertible Preferred Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Dividend Opportunity Fund - Class C | Convertible Bonds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%
Columbia Dividend Opportunity Fund - Class C | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Columbia Dividend Opportunity Fund - Institutional Class | Exxon Mobil Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Dividend Opportunity Fund - Institutional Class | JPMorgan Chase & Co. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Dividend Opportunity Fund - Institutional Class | AbbVie, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Dividend Opportunity Fund - Institutional Class | Johnson & Johnson [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Institutional Class | International Business Machines Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Institutional Class | Goldman Sachs Group, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Institutional Class | Bank of America Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Institutional Class | Cisco Systems, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Institutional Class | Chevron Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Institutional Class | Home Depot, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Institutional Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	21%
Columbia Dividend Opportunity Fund - Institutional Class | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Columbia Dividend Opportunity Fund - Institutional Class | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Dividend Opportunity Fund - Institutional Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.10%
Columbia Dividend Opportunity Fund - Institutional Class | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.60%
Columbia Dividend Opportunity Fund - Institutional Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.70%
Columbia Dividend Opportunity Fund - Institutional Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.40%
Columbia Dividend Opportunity Fund - Institutional Class | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.80%
Columbia Dividend Opportunity Fund - Institutional Class | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
Columbia Dividend Opportunity Fund - Institutional Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Dividend Opportunity Fund - Institutional Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Dividend Opportunity Fund - Institutional Class | Common Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	95%
Columbia Dividend Opportunity Fund - Institutional Class | Convertible Preferred Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Dividend Opportunity Fund - Institutional Class | Convertible Bonds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%
Columbia Dividend Opportunity Fund - Institutional Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Exxon Mobil Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Dividend Opportunity Fund - Institutional 2 Class | JPMorgan Chase & Co. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Dividend Opportunity Fund - Institutional 2 Class | AbbVie, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Johnson & Johnson [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Institutional 2 Class | International Business Machines Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Goldman Sachs Group, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Bank of America Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Cisco Systems, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Chevron Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Home Depot, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	21%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.10%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.60%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.70%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.40%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.80%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Common Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	95%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Convertible Preferred Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Convertible Bonds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%
Columbia Dividend Opportunity Fund - Institutional 2 Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Exxon Mobil Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Dividend Opportunity Fund - Institutional 3 Class | JPMorgan Chase & Co. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Dividend Opportunity Fund - Institutional 3 Class | AbbVie, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Johnson & Johnson [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Institutional 3 Class | International Business Machines Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Goldman Sachs Group, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Bank of America Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Cisco Systems, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Chevron Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Home Depot, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	21%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.10%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.60%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.70%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.40%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.80%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Common Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	95%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Convertible Preferred Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Convertible Bonds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%
Columbia Dividend Opportunity Fund - Institutional 3 Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Columbia Dividend Opportunity Fund - Class R | Exxon Mobil Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Dividend Opportunity Fund - Class R | JPMorgan Chase & Co. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Dividend Opportunity Fund - Class R | AbbVie, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Dividend Opportunity Fund - Class R | Johnson & Johnson [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class R | International Business Machines Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class R | Goldman Sachs Group, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class R | Bank of America Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Class R | Cisco Systems, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Class R | Chevron Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Class R | Home Depot, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Class R | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	21%
Columbia Dividend Opportunity Fund - Class R | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Columbia Dividend Opportunity Fund - Class R | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Dividend Opportunity Fund - Class R | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.10%
Columbia Dividend Opportunity Fund - Class R | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.60%
Columbia Dividend Opportunity Fund - Class R | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.70%
Columbia Dividend Opportunity Fund - Class R | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.40%
Columbia Dividend Opportunity Fund - Class R | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.80%
Columbia Dividend Opportunity Fund - Class R | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
Columbia Dividend Opportunity Fund - Class R | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Dividend Opportunity Fund - Class R | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Dividend Opportunity Fund - Class R | Common Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	95%
Columbia Dividend Opportunity Fund - Class R | Convertible Preferred Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Dividend Opportunity Fund - Class R | Convertible Bonds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%
Columbia Dividend Opportunity Fund - Class R | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Columbia Dividend Opportunity Fund - Class S | Exxon Mobil Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Dividend Opportunity Fund - Class S | JPMorgan Chase & Co. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Dividend Opportunity Fund - Class S | AbbVie, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Dividend Opportunity Fund - Class S | Johnson & Johnson [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class S | International Business Machines Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class S | Goldman Sachs Group, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Columbia Dividend Opportunity Fund - Class S | Bank of America Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Class S | Cisco Systems, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Class S | Chevron Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
Columbia Dividend Opportunity Fund - Class S | Home Depot, Inc. (The) [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Dividend Opportunity Fund - Class S | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	21%
Columbia Dividend Opportunity Fund - Class S | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Columbia Dividend Opportunity Fund - Class S | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Dividend Opportunity Fund - Class S | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.10%
Columbia Dividend Opportunity Fund - Class S | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.60%
Columbia Dividend Opportunity Fund - Class S | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.70%
Columbia Dividend Opportunity Fund - Class S | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.40%
Columbia Dividend Opportunity Fund - Class S | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.80%
Columbia Dividend Opportunity Fund - Class S | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
Columbia Dividend Opportunity Fund - Class S | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Dividend Opportunity Fund - Class S | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Dividend Opportunity Fund - Class S | Common Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	95%
Columbia Dividend Opportunity Fund - Class S | Convertible Preferred Stock [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Dividend Opportunity Fund - Class S | Convertible Bonds [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%
Columbia Dividend Opportunity Fund - Class S | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%