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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 Overseas Value Fund - Class A  
Shareholder Report [Line Items]  
Fund Name Columbia Overseas Value Fund
Class Name Class A
Trading Symbol COAVX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Overseas Value 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
$
62		1.16
%
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.16%
Net Assets $ 3,242,523,531
Holdings Count | Holding 105
Investment Company, Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
3,242,523,531
Total number of
portfolio
holdings		105
Portfolio turnover for the reporting period 21%
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
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Equity Sector Allocation
Graphical Representation - Allocation 1 Chart
Geographic Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Holdings
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Columbia Overseas Value Fund - Advisor Class  
Shareholder Report [Line Items]  
Fund Name Columbia Overseas Value Fund
Class Name Advisor Class
Trading Symbol COSVX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Overseas Value 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
$
49		0.91
%
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.91%
Net Assets $ 3,242,523,531
Holdings Count | Holding 105
Investment Company, Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
3,242,523,531
Total number of portfolio holdings105
Portfolio turnover for the reporting period 21%
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 Hol
dings
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Equity Sector Allocation
Graphical Representation - Allocation 1 Chart
Geographic Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Hol
dings
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Columbia Overseas Value Fund -Class C  
Shareholder Report [Line Items]  
Fund Name Columbia Overseas Value Fund
Class Name Class C
Trading Symbol COCVX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Overseas Value 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
$
102		1.91
%
Expenses Paid, Amount $ 102
Expense Ratio, Percent 1.91%
Net Assets $ 3,242,523,531
Holdings Count | Holding 105
Investment Company, Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
3,242,523,531
Total number of portfolio
holdings
105
Portfolio turnover for the reporting period 21%
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 Holdin
gs
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Equity Sector Allocation
Graphical Representation - Allocation 1 Chart
Geographic Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Holdin
gs
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Columbia Overseas Value Fund - Institutional Class  
Shareholder Report [Line Items]  
Fund Name Columbia Overseas Value Fund
Class Name Institutional Class
Trading Symbol COSZX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Overseas Value 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)
Class
Cost of a $10,000 investment
Cost paid as a percentage of a $10,000 investment
Institutional Class
$
49
0.91
%
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.91%
Net Assets $ 3,242,523,531
Holdings Count | Holding 105
Investment Company, Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
Key Fund Statist
ics
Fund net assets
$
3,242,523,531
Total number of portfolio holdings
105
Portfolio turnover for the reporting period
21%
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 cha
nge.
Top Holdi
ngs
Shell PLC
4.3
%
TotalEnergies SE
3.5
%
Sumitomo Mitsui Financial Group, Inc.
2.8
%
Banco Santander SA
2.6
%
ING Groep NV
2.6
%
AXA SA
2.4
%
Engie SA
2.3
%
Sanofi SA
2.3
%
Imperial Brands PLC
2.2
%
Novartis AG, Registered Shares
2.2
%
Equity Sector Allocation

Geographic Allocation
Largest Holdings [Text Block]
Top Holdi
ngs
Shell PLC
4.3
%
TotalEnergies SE
3.5
%
Sumitomo Mitsui Financial Group, Inc.
2.8
%
Banco Santander SA
2.6
%
ING Groep NV
2.6
%
AXA SA
2.4
%
Engie SA
2.3
%
Sanofi SA
2.3
%
Imperial Brands PLC
2.2
%
Novartis AG, Registered Shares
2.2
%
Columbia Overseas Value Fund - Institutional 2 Class  
Shareholder Report [Line Items]  
Fund Name Columbia Overseas Value Fund
Class Name Institutional 2 Class
Trading Symbol COSSX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Overseas Value 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
$
44		0.82
%
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.82%
Net Assets $ 3,242,523,531
Holdings Count | Holding 105
Investment Company, Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block] Key Fund Statistics
Fund net assets
$
3,242,523,531
Total number of portfolio holdings105
Portfolio turnover for the reporting period 21%
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 Holdi
ngs
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Equity Sector Allocation
Graphical Representation - Allocation 1 Chart
Geographic Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Holdi
ngs
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Columbia Overseas Value Fund - Institutional 3 Class  
Shareholder Report [Line Items]  
Fund Name Columbia Overseas Value Fund
Class Name Institutional 3 Class
Trading Symbol COSYX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Overseas Value 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
$
41		0.77
%
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.77%
Net Assets $ 3,242,523,531
Holdings Count | Holding 105
Investment Company, Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net assets
$
3,242,523,531
Total number of portfolio holdings105
Portfolio turnover for the
reporting
period 		21%
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 Hol
dings
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Equity Sector Allocation
Graphical Representation - Allocation 1 Chart
Geographic Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Hol
dings
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG, Registered Shares2.2
%
Columbia Overseas Value Fund - Class R  
Shareholder Report [Line Items]  
Fund Name Columbia Overseas Value Fund
Class Name Class R
Trading Symbol COVUX
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Overseas Value 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 R
$
76		1.41
%
Expenses Paid, Amount $ 76
Expense Ratio, Percent 1.41%
Net Assets $ 3,242,523,531
Holdings Count | Holding 105
Investment Company, Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund
net assets
$
3,242,523,531
Total number of portfolio holdings105
Portfolio turnover for the reporting period 21%
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 Holdi
ngs
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG,
Registered
Shares		2.2
%
Equity Sector Allocation
Graphical Representation - Allocation 1 Chart
Geographic Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Holdi
ngs
Shell PLC4.3
%
TotalEnergies SE3.5
%
Sumitomo Mitsui Financial Group, Inc.2.8
%
Banco Santander SA2.6
%
ING Groep NV2.6
%
AXA SA2.4
%
Engie SA2.3
%
Sanofi SA2.3
%
Imperial Brands PLC2.2
%
Novartis AG,
Registered
Shares		2.2
%