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Shareholder Report
 6 Months Ended
Aug. 31, 2024
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Columbia Funds Series Trust
Entity Central Index Key 0001097519
Entity Investment Company Type N-1A
Document Period End Date Aug. 31, 2024
Columbia Select Large Cap Equity Fund - Class A [Member]  
Shareholder Report [Line Items]  
Fund Name Columbia Select Large Cap Equity Fund
Class Name Class A
Trading Symbol NSGAX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Select Large Cap Equity Fund (the Fund) for the period of March 1, 2024 to August 31, 2024.
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
. You can also request more information by contacting us at
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)
ClassCost of a $10,000 investmentCost paid as a percentage of a $10,000 investment
Class A
$
46		0.86
%
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.86%
Net Assets $ 1,515,137,746
Holdings Count | Holding 57
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
1,515,137,746
Total number of portfolio holdings57
Portfolio turnover for the reporting period 29%
Holdings [Text Block]
Graphical Representation of Fund
 
Holdings
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
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Asset Categories
Graphical Representation - Allocation 1 Chart
Equity Sector Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block] Top Holdings
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Columbia Select Large Cap Equity Fund - Advisor Class [Member]  
Shareholder Report [Line Items]  
Fund Name Columbia Select Large Cap Equity Fund
Class Name Advisor Class
Trading Symbol CLSRX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Select Large Cap Equity Fund (the Fund) for the period of March 1, 2024 to August 31, 2024.
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
. You can also request more information by contacting us at
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)
ClassCost of a $10,000 investmentCost paid as a percentage of a $10,000 investment
Advisor Class
$
32		0.61
%
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.61%
Net Assets $ 1,515,137,746
Holdings Count | Holding 57
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
1,515,137,746
Total number of portfolio holdings57
Portfolio turnover for the reporting period 29%
Holdings [Text Block]
Graphical Representation of Fund
 
Holdings
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
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Asset Categories
Graphical Representation - Allocation 1 Chart
Equity Sector Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block] Top Holdings
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Columbia Select Large Cap Equity Fund - Class C [Member]  
Shareholder Report [Line Items]  
Fund Name Columbia Select Large Cap Equity Fund
Class Name Class C
Trading Symbol NSGCX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Select Large Cap Equity Fund (the Fund) for the period of March 1, 2024 to August 31, 2024.
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
. You can also request more information by contacting us at
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)
ClassCost of a $10,000 investmentCost paid as a percentage of a $10,000 investment
Class C
$
85		1.60
%
Expenses Paid, Amount $ 85
Expense Ratio, Percent 1.60%
Net Assets $ 1,515,137,746
Holdings Count | Holding 57
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
1,515,137,746
Total number of portfolio holdings57
Portfolio turnover for the reporting period 29%
Holdings [Text Block]
Graphical Representation of Fund
 
Holdings
The tables below show the investment makeup of the Fund represented as a pe
rcenta
ge of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.
Top Holdings
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Asset Categories
Graphical Representation - Allocation 1 Chart
Equity Sector Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block] Top Holdings
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Columbia Select Large Cap Equity Fund - Institutional Class  
Shareholder Report [Line Items]  
Fund Name Columbia Select Large Cap Equity Fund
Class Name Institutional Class
Trading Symbol NSEPX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Select Large Cap Equity Fund (the Fund) for the period of March 1, 2024 to August 31, 2024.
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
. You can also request more information by contacting us at
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)
ClassCost of a $10,000 investmentCost paid as a percentage of a $10,000 investment
Institutional Class
$
32		0.61
%
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.61%
Net Assets $ 1,515,137,746
Holdings Count | Holding 57
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
1,515,137,746
Total number of portfolio holdings57
Portfolio turnover for the reporting period 29%
Holdings [Text Block]
Graphical Representation of Fund
 
Holdings
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
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Asset Categories
Graphical Representation - Allocation 1 Chart
Equity Sector Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block] Top Holdings
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Columbia Select Large Cap Equity Fund - Institutional 2 Class  
Shareholder Report [Line Items]  
Fund Name Columbia Select Large Cap Equity Fund
Class Name Institutional 2 Class
Trading Symbol CLCRX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Select Large Cap Equity Fund (the Fund) for the period of March 1, 2024 to August 31, 2024.
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
. You can also request more information by contacting us at
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)
ClassCost of a $10,000 investmentCost paid as a percentage of a $10,000 investment
Institutional 2 Class
$
29		0.55
%
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.55%
Net Assets $ 1,515,137,746
Holdings Count | Holding 57
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
1,515,137,746
Total number of portfolio holdings57
Portfolio turnover for the reporting period 29%
Holdings [Text Block]
Graphical Representation of Fund
 
Holdings
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
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Asset Categories
Graphical Representation - Allocation 1 Chart
Equity Sector Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block] Top Holdings
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Columbia Select Large Cap Equity Fund - Institutional 3 Class  
Shareholder Report [Line Items]  
Fund Name Columbia Select Large Cap Equity Fund
Class Name Institutional 3 Class
Trading Symbol CLEYX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Select Large Cap Equity Fund (the Fund) for the period of March 1, 2024 to August 31, 2024.
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
. You can also request more information by contacting us at
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)
ClassCost of a $10,000 investmentCost paid as a percentage of a $10,000 investment
Institutional 3 Class
$
27		0.50
%
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.50%
Net Assets $ 1,515,137,746
Holdings Count | Holding 57
Investment Company, Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
1,515,137,746
Total number of portfolio holdings57
Portfolio turnover for the reporting period 29%
Holdings [Text Block]
Graphical Representation of Fund
 
Holdings
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
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%
Asset Categories
Graphical Representation - Allocation 1 Chart
Equity Sector Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block] Top Holdings
Microsoft Corp.7.6
%
NVIDIA Corp.6.7
%
Apple, Inc.6.3
%
Alphabet, Inc., Class C4.9
%
Amazon.com, Inc.4.6
%
Meta Platforms, Inc., Class A3.5
%
Eli Lilly & Co.2.6
%
Exxon Mobil Corp.2.5
%
UnitedHealth Group, Inc.2.4
%
MasterCard, Inc., Class A2.4
%