| Form N-CSR Cover | 12 Months Ended |
| May 31, 2024 | |
| 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 | May 31, 2024 |
| Shareholder Report | 12 Months Ended |
| May 31, 2024 USD ($) Holdings | |
| 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 | May 31, 2024 |
| Columbia Dividend Income Fund (Class A) | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Dividend Income Fund |
| Class Name | Class A |
| Trading Symbol | LBSAX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia Dividend Income Fund (the Fund) for the period of June 1, 2023 to May 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 |
| 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 Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $ 0.90 % |
| Expenses Paid, Amount | $ 99 |
| Expense Ratio, Percent | 0.90% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Class A (excluding sales charges) 20.23 12.04 10.52 Class A (including sales charges) 13.32 10.71 9.87 Russell 1000 Index 28.01 15.42 12.40 Russell 1000 Value Index 21.71 10.74 8.61 |
| 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 |
| Net Assets | $ 39,874,666,035 |
| Holdings Count | Holdings | 79 |
| Advisory Fees Paid, Amount | $ 198,066,762 |
| Investment Company, Portfolio Turnover | 14% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 79 Management services fees $ Portfolio turnover for the reporting period 14% |
| 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 JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % Asset Categories Equity Sector Allocation |
| Largest Holdings [Text Block] | Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % |
| Columbia Dividend Income Fund (Advisor Class) | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Dividend Income Fund |
| Class Name | Advisor Class |
| Trading Symbol | CVIRX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia Dividend Income Fund (the Fund) for the period of June 1, 2023 to May 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 |
| 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 Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Advisor Class $ 0.65 % |
| Expenses Paid, Amount | $ 72 |
| Expense Ratio, Percent | 0.65% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Advisor Class 20.50 12.32 10.80 Russell 1000 Index 28.01 15.42 12.40 Russell 1000 Value Index 21.71 10.74 8.61 |
| 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 |
| Net Assets | $ 39,874,666,035 |
| Holdings Count | Holdings | 79 |
| Advisory Fees Paid, Amount | $ 198,066,762 |
| Investment Company, Portfolio Turnover | 14% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 79 Management services fees $ Portfolio turnover for the reporting period 14% |
| 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 Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % Asset Categories Equity Sector Allocation |
| Largest Holdings [Text Block] | Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % |
| Columbia Dividend Income Fund (Class C) | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Dividend Income Fund |
| Class Name | Class C |
| Trading Symbol | LBSCX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report |
| 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 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 Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $ 181 1.65 % |
| Expenses Paid, Amount | $ 181 |
| Expense Ratio, Percent | 1.65% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Class C (excluding sales charges) 19.31 11.20 9.70 Class C (including sales charges) 18.31 11.20 9.70 Russell 1000 Index 28.01 15.42 12.40 Russell 1000 Value Index 21.71 10.74 8.61 |
| 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 |
| Net Assets | $ 39,874,666,035 |
| Holdings Count | Holdings | 79 |
| Advisory Fees Paid, Amount | $ 198,066,762 |
| Investment Company, Portfolio Turnover | 14% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ 39,874,666,035 Total number of portfolio holdings 79 Management services fees $ 198,066,762 Portfolio turnover for the reporting period 14 |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % Asset Categories Equity Sector Allocation |
| Largest Holdings [Text Block] | Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % |
| Columbia Dividend Income Fund (Institutional Class) | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Dividend Income Fund |
| Class Name | Institutional Class |
| Trading Symbol | GSFTX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report |
| 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 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 Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Institutional Class $ 72 0.65 % |
| Expenses Paid, Amount | $ 72 |
| Expense Ratio, Percent | 0.65% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Institutional Class 20.51 12.31 10.80 Russell 1000 Index 28.01 15.42 12.40 Russell 1000 Value Index 21.71 10.74 8.61 |
| 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 |
| Net Assets | $ 39,874,666,035 |
| Holdings Count | Holdings | 79 |
| Advisory Fees Paid, Amount | $ 198,066,762 |
| Investment Company, Portfolio Turnover | 14% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ 39,874,666,035 Total number of portfolio holdings 79 Management services fees $ 198,066,762 Portfolio turnover for the reporting period 14 |
| 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 JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % Asset Categories Equity Sector Allocation |
| Largest Holdings [Text Block] | Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % |
| Columbia Dividend Income Fund (Institutional 2 Class) | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Dividend Income Fund |
| Class Name | Institutional 2 Class |
| Trading Symbol | CDDRX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report |
| 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 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 Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Institutional 2 Class $ 65 0.59 % |
| Expenses Paid, Amount | $ 65 |
| Expense Ratio, Percent | 0.59% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Institutional 2 Class 20.59 12.38 10.90 Russell 1000 Index 28.01 15.42 12.40 Russell 1000 Value Index 21.71 10.74 8.61 |
| 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 |
| Net Assets | $ 39,874,666,035 |
| Holdings Count | Holdings | 79 |
| Advisory Fees Paid, Amount | $ 198,066,762 |
| Investment Company, Portfolio Turnover | 14% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ 39,874,666,035 Total number of portfolio holdings 79 Management services fees $ 198,066,762 Portfolio turnover for the reporting period 14 |
| 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 JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot 2.2 % Merck & Co., Inc. 2.2 % Asset Categories Equity Sector Allocation |
| Largest Holdings [Text Block] | Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot 2.2 % Merck & Co., Inc. 2.2 % |
| Columbia Dividend Income Fund (Institutional 3 Class) | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Dividend Income Fund |
| Class Name | Institutional 3 Class |
| Trading Symbol | CDDYX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report |
| 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 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 Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Institutional 3 Class $ 61 0.55 % |
| Expenses Paid, Amount | $ 61 |
| Expense Ratio, Percent | 0.55% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Institutional 3 Class 20.64 12.44 10.96 Russell 1000 Index 28.01 15.42 12.40 Russell 1000 Value Index 21.71 10.74 8.61 |
| 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 |
| Net Assets | $ 39,874,666,035 |
| Holdings Count | Holdings | 79 |
| Advisory Fees Paid, Amount | $ 198,066,762 |
| Investment Company, Portfolio Turnover | 14% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ 39,874,666,035 Total number of portfolio holdings 79 Management services fees $ 198,066,762 Portfolio turnover for the reporting period 14 |
| 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 JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % Asset Categories Equity Sector Allocation |
| Largest Holdings [Text Block] | Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % |
| Columbia Dividend Income Fund (Class R) | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Dividend Income Fund |
| Class Name | Class R |
| Trading Symbol | CDIRX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report |
| 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 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 Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class R $ 1.15 % |
| Expenses Paid, Amount | $ 126 |
| Expense Ratio, Percent | 1.15% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Class R 19.92 11.75 10.25 Russell 1000 Index 28.01 15.42 12.40 Russell 1000 Value Index 21.71 10.74 8.61 |
| 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 |
| Net Assets | $ 39,874,666,035 |
| Holdings Count | Holdings | 79 |
| Advisory Fees Paid, Amount | $ 198,066,762 |
| Investment Company, Portfolio Turnover | 14% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ 39,874,666,035 Total number of portfolio holdings 79 Management services fees $ 198,066,762 Portfolio turnover for the reporting period 14 |
| Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % Asset Categories Equity Sector Allocation |
| Largest Holdings [Text Block] | Top Holdings JPMorgan Chase & Co. 4.3 % Microsoft Corp. 3.6 % Exxon Mobil Corp. 2.5 % Broadcom, Inc. 2.4 % Chevron Corp. 2.4 % Johnson & Johnson 2.3 % Walmart, Inc. 2.3 % Procter & Gamble Co. (The) 2.3 % Home Depot, Inc. (The) 2.2 % Merck & Co., Inc. 2.2 % |
| Shareholder Report, Line Graph (Details) - USD ($) | 12 Months Ended | 60 Months Ended | 120 Months Ended | |||||||||
| May 31, 2024 | May 31, 2024 | May 31, 2024 | May 31, 2023 | May 31, 2022 | May 31, 2021 | May 31, 2020 | May 31, 2019 | May 31, 2018 | May 31, 2017 | May 31, 2016 | May 31, 2015 | |
| Columbia Dividend Income Fund (Class A) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Class A (including sales charges) | |||||||||||
| Account Value | $ 25,631 | $ 25,631 | $ 25,631 | $ 21,318 | $ 21,688 | $ 20,895 | $ 15,430 | $ 14,521 | $ 13,686 | $ 12,402 | $ 10,736 | $ 10,281 |
| Average Annual Return, Percent | 13.32% | 10.71% | 9.87% | |||||||||
| Columbia Dividend Income Fund (Class A) | Without Sales Load [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Class A (excluding sales charges) | |||||||||||
| Average Annual Return, Percent | 20.23% | 12.04% | 10.52% | |||||||||
| Columbia Dividend Income Fund (Advisor Class) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Advisor Class | |||||||||||
| Account Value | $ 27,882 | $ 27,882 | $ 27,882 | 23,138 | 23,480 | 22,559 | 16,617 | 15,599 | 14,668 | 13,262 | 11,444 | 10,933 |
| Average Annual Return, Percent | 20.50% | 12.32% | 10.80% | |||||||||
| Columbia Dividend Income Fund (Class C) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Class C (including sales charges | |||||||||||
| Account Value | $ 25,231 | $ 25,231 | $ 25,231 | 21,147 | 21,672 | 21,039 | 15,650 | 14,843 | 14,097 | 12,871 | 11,218 | 10,826 |
| Average Annual Return, Percent | 18.31% | 11.20% | 9.70% | |||||||||
| Columbia Dividend Income Fund (Class C) | Without Sales Load [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Class C (excluding sales charges) | |||||||||||
| Average Annual Return, Percent | 19.31% | 11.20% | 9.70% | |||||||||
| Columbia Dividend Income Fund (Institutional Class) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Institutional Class | |||||||||||
| Account Value | $ 27,895 | $ 27,895 | $ 27,895 | 23,148 | 23,489 | 22,566 | 16,622 | 15,608 | 14,676 | 13,261 | 11,452 | 10,940 |
| Average Annual Return, Percent | 20.51% | 12.31% | 10.80% | |||||||||
| Columbia Dividend Income Fund (Institutional 2 Class) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Institutional 2 Class | |||||||||||
| Account Value | $ 28,132 | $ 28,132 | $ 28,132 | 23,329 | 23,661 | 22,717 | 16,724 | 15,693 | 14,743 | 13,310 | 11,482 | 10,948 |
| Average Annual Return, Percent | 20.59% | 12.38% | 10.90% | |||||||||
| Columbia Dividend Income Fund (Institutional 3 Class) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Institutional 3 Class | |||||||||||
| Account Value | $ 28,284 | $ 28,284 | $ 28,284 | 23,444 | 23,766 | 22,808 | 16,777 | 15,736 | 14,779 | 13,334 | 11,492 | 10,959 |
| Average Annual Return, Percent | 20.64% | 12.44% | 10.96% | |||||||||
| Columbia Dividend Income Fund (Class R) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Class R | |||||||||||
| Account Value | $ 26,528 | $ 26,528 | $ 26,528 | 22,121 | 22,564 | 21,787 | 16,130 | 15,221 | 14,382 | 13,066 | 11,333 | 10,880 |
| Average Annual Return, Percent | 19.92% | 11.75% | 10.25% | |||||||||
| Russell 1000 Index [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Russell 1000 Index | |||||||||||
| Account Value | $ 32,178 | $ 32,178 | $ 32,178 | 25,138 | 24,537 | 25,220 | 17,678 | 15,709 | 15,182 | 13,249 | 11,278 | 11,191 |
| Average Annual Return, Percent | 28.01% | 15.42% | 12.40% | |||||||||
| Russell 1000 Value Index [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Russell 1000 Value Index | |||||||||||
| Account Value | $ 22,848 | $ 22,848 | $ 22,848 | $ 18,772 | $ 19,666 | $ 19,485 | $ 13,495 | $ 13,720 | $ 13,524 | $ 12,494 | $ 10,897 | $ 10,903 |
| Average Annual Return, Percent | 21.71% | 10.74% | 8.61% |
| Shareholder Report, Holdings (Details) | May 31, 2024 |
| Columbia Dividend Income Fund (Class A) | JPMorgan Chase and Co [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Dividend Income Fund (Class A) | Microsoft Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Dividend Income Fund (Class A) | Exxon Mobil Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Columbia Dividend Income Fund (Class A) | Broadcom Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Class A) | Chevron Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Class A) | Johnson and Johnson [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Class A) | Walmart Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Class A) | Procter and Gamble Co The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Class A) | Home Depot Inc The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Class A) | Merck and Co Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Class A) | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| Columbia Dividend Income Fund (Class A) | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.70% |
| Columbia Dividend Income Fund (Class A) | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Columbia Dividend Income Fund (Class A) | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.50% |
| Columbia Dividend Income Fund (Class A) | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Columbia Dividend Income Fund (Class A) | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| Columbia Dividend Income Fund (Class A) | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.80% |
| Columbia Dividend Income Fund (Class A) | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Columbia Dividend Income Fund (Class A) | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Dividend Income Fund (Class A) | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Dividend Income Fund (Class A) | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia Dividend Income Fund (Class A) | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Columbia Dividend Income Fund (Class A) | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Dividend Income Fund (Advisor Class) | JPMorgan Chase and Co [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Dividend Income Fund (Advisor Class) | Microsoft Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Dividend Income Fund (Advisor Class) | Exxon Mobil Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Columbia Dividend Income Fund (Advisor Class) | Broadcom Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Advisor Class) | Chevron Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Advisor Class) | Johnson and Johnson [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Advisor Class) | Walmart Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Advisor Class) | Procter and Gamble Co The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Advisor Class) | Home Depot Inc The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Advisor Class) | Merck and Co Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Advisor Class) | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| Columbia Dividend Income Fund (Advisor Class) | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.70% |
| Columbia Dividend Income Fund (Advisor Class) | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Columbia Dividend Income Fund (Advisor Class) | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.50% |
| Columbia Dividend Income Fund (Advisor Class) | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Columbia Dividend Income Fund (Advisor Class) | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| Columbia Dividend Income Fund (Advisor Class) | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.80% |
| Columbia Dividend Income Fund (Advisor Class) | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Columbia Dividend Income Fund (Advisor Class) | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Dividend Income Fund (Advisor Class) | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Dividend Income Fund (Advisor Class) | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia Dividend Income Fund (Advisor Class) | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Columbia Dividend Income Fund (Advisor Class) | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Dividend Income Fund (Class C) | JPMorgan Chase and Co [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Dividend Income Fund (Class C) | Microsoft Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Dividend Income Fund (Class C) | Exxon Mobil Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Columbia Dividend Income Fund (Class C) | Broadcom Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Class C) | Chevron Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Class C) | Johnson and Johnson [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Class C) | Walmart Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Class C) | Procter and Gamble Co The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Class C) | Home Depot Inc The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Class C) | Merck and Co Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Class C) | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| Columbia Dividend Income Fund (Class C) | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.70% |
| Columbia Dividend Income Fund (Class C) | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Columbia Dividend Income Fund (Class C) | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.50% |
| Columbia Dividend Income Fund (Class C) | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Columbia Dividend Income Fund (Class C) | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| Columbia Dividend Income Fund (Class C) | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.80% |
| Columbia Dividend Income Fund (Class C) | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Columbia Dividend Income Fund (Class C) | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Dividend Income Fund (Class C) | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Dividend Income Fund (Class C) | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia Dividend Income Fund (Class C) | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Columbia Dividend Income Fund (Class C) | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Dividend Income Fund (Institutional Class) | JPMorgan Chase and Co [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Dividend Income Fund (Institutional Class) | Microsoft Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Dividend Income Fund (Institutional Class) | Exxon Mobil Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Columbia Dividend Income Fund (Institutional Class) | Broadcom Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Institutional Class) | Chevron Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Institutional Class) | Johnson and Johnson [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Institutional Class) | Walmart Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Institutional Class) | Procter and Gamble Co The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Institutional Class) | Home Depot Inc The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Institutional Class) | Merck and Co Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Institutional Class) | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| Columbia Dividend Income Fund (Institutional Class) | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.70% |
| Columbia Dividend Income Fund (Institutional Class) | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Columbia Dividend Income Fund (Institutional Class) | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.50% |
| Columbia Dividend Income Fund (Institutional Class) | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Columbia Dividend Income Fund (Institutional Class) | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| Columbia Dividend Income Fund (Institutional Class) | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.80% |
| Columbia Dividend Income Fund (Institutional Class) | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Columbia Dividend Income Fund (Institutional Class) | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Dividend Income Fund (Institutional Class) | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Dividend Income Fund (Institutional Class) | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia Dividend Income Fund (Institutional Class) | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Columbia Dividend Income Fund (Institutional Class) | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Dividend Income Fund (Institutional 2 Class) | JPMorgan Chase and Co [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Microsoft Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Exxon Mobil Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Broadcom Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Chevron Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Johnson and Johnson [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Walmart Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Procter and Gamble Co The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Home Depot Inc The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Merck and Co Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.70% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.50% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.80% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Columbia Dividend Income Fund (Institutional 2 Class) | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Dividend Income Fund (Institutional 3 Class) | JPMorgan Chase and Co [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Microsoft Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Exxon Mobil Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Broadcom Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Chevron Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Johnson and Johnson [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Walmart Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Procter and Gamble Co The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Home Depot Inc The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Merck and Co Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.70% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.50% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.80% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Columbia Dividend Income Fund (Institutional 3 Class) | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Columbia Dividend Income Fund (Class R) | JPMorgan Chase and Co [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Dividend Income Fund (Class R) | Microsoft Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Dividend Income Fund (Class R) | Exxon Mobil Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Columbia Dividend Income Fund (Class R) | Broadcom Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Class R) | Chevron Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Columbia Dividend Income Fund (Class R) | Johnson and Johnson [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Class R) | Walmart Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Class R) | Procter and Gamble Co The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Columbia Dividend Income Fund (Class R) | Home Depot Inc The [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Class R) | Merck and Co Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Columbia Dividend Income Fund (Class R) | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.50% |
| Columbia Dividend Income Fund (Class R) | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.70% |
| Columbia Dividend Income Fund (Class R) | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Columbia Dividend Income Fund (Class R) | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.50% |
| Columbia Dividend Income Fund (Class R) | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.50% |
| Columbia Dividend Income Fund (Class R) | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.10% |
| Columbia Dividend Income Fund (Class R) | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.80% |
| Columbia Dividend Income Fund (Class R) | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Columbia Dividend Income Fund (Class R) | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Dividend Income Fund (Class R) | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Dividend Income Fund (Class R) | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia Dividend Income Fund (Class R) | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Columbia Dividend Income Fund (Class R) | Money Market Fund [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
