XML 26 R2.htm IDEA: XBRL DOCUMENT v3.24.3
Shareholder Report
 12 Months Ended
Aug. 31, 2024
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name Columbia Funds Series Trust I
Entity Central Index Key 0000773757
Entity Investment Company Type N-1A
Document Period End Date Aug. 31, 2024
Overseas SMA Completion Portfolio  
Shareholder Report [Line Items]  
Fund Name Overseas SMA Completion Portfolio
Class Name Overseas SMA Completion Portfolio
Trading Symbol OSCBX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about Overseas SMA Completion Portfolio (the Fund) for the period of September 1, 2023 to August 31, 2024.
Shareholder Report Annual or Semi-Annual 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)
FundCost of a $10,000 investmentCost paid as a percentage of a $10,000 investment
Overseas SMA Completion Portfolio
$
0.00
0.00
%
Expenses Paid, Amount $ 0
Expense Ratio, Percent 0.00%
Factors Affecting Performance [Text Block]
Management's Discussion of Fund Performance
The performance of the Fund for the period presented is shown in the Average Annual Total Returns table.
Allocations
| A smaller allocation to the energy sector buoyed the Fund's relative results during the annual period.
Individual holdings
| Positions in Sankyo, a Japanese slot machine manufacturer; BW LPG, a liquefied petroleum gas shipping company; Just Group, a British financial services company; Dai-Ichi Life Holdings, a Japanese insurer; and TP ICAP Group, a British financial services company, were among the top contributors to the Fund's absolute performance.
Allocations
| A larger allocation to the consumer discretionary sector detracted from relative results.
Individual holdings
| Fund positions in Diversified Energy Company, an oil and gas producer; MatsukiyoCocokara, a Japanese drugstore chain; Duerr, a German mechanical engineering firm; Guangdong Investment, a Hong Kong infrastructure holding company; and Youngone, a South Korean outdoor apparel company, were top detractors from absolute performance during the period.
Performance Past Does Not Indicate Future [Text] Past performance does not guarantee future performance.
Line Graph [Table Text Block]
Fund Performance - Growth of 10K
Average Annual Return [Table Text Block]
Average Annual Total Returns (%)1 year
Since Fund
Inception
Overseas SMA Completion Portfolio
(a)
19.83
7.29
MSCI EAFE Value Index (Net)
20.38
7.93
MSCI EAFE Index (Net)
19.40
7.92
(a)
Effective August 1, 2024, the Fund compares its performance to the MSCI EAFE Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represents the market sectors and/or asset classes in which the Fund primarily invests.
Performance Inception Date Sep. 12, 2019
No Deduction of Taxes [Text Block] Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares.
Updated Performance Information Location [Text Block] Visit
columbiathreadneedleus.com/investment-products/mutual-funds
for more recent performance information.
Net Assets $ 5,865,463
Holdings Count | Holding 39
Advisory Fees Paid, Amount $ 0
Investment Company, Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund
net assets
$
5,865,463
Total number of portfolio holdings39
Management services fees
(represents 0.0% of Fund average net assets)
$
—
Portfolio turnover for the reporting period 51%
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
ASR Nederland NV5.1
%
Sankyo Co., Ltd.5.1
%
Northern Star Resources Ltd.4.9
%
TOPPAN Holdings, Inc.4.4
%
DCC PLC4.2
%
Dai-ichi Life Holdings, Inc.3.8
%
TP Icap Group PLC3.8
%
Shimamura Co., Ltd.3.7
%
Piraeus Financial Holdings SA3.6
%
Venture Corp., Ltd.3.4
%
Equity Sector Allocation
Graphical Representation - Allocation 1 Chart
Geographic Allocation
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Holdings
ASR Nederland NV5.1
%
Sankyo Co., Ltd.5.1
%
Northern Star Resources Ltd.4.9
%
TOPPAN Holdings, Inc.4.4
%
DCC PLC4.2
%
Dai-ichi Life Holdings, Inc.3.8
%
TP Icap Group PLC3.8
%
Shimamura Co., Ltd.3.7
%
Piraeus Financial Holdings SA3.6
%
Venture Corp., Ltd.3.4
%
Updated Prospectus Web Address columbiathreadneedleus.com/investment-products/mutual-funds