XML 9 R3.htm IDEA: XBRL DOCUMENT v3.7.0.1
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName COLUMBIA FUNDS SERIES TRUST I
Prospectus Date rr_ProspectusDate Mar. 10, 2017
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia AMT-Free California Intermediate Muni Bond Fund 9/1/2016
 Columbia AMT-Free Georgia Intermediate Muni Bond Fund 9/1/2016
 Columbia AMT-Free Maryland Intermediate Muni Bond Fund 9/1/2016
 Columbia AMT-Free North Carolina Intermediate Muni Bond Fund 9/1/2016
 Columbia AMT-Free South Carolina Intermediate Muni Bond Fund 9/1/2016
 Columbia AMT-Free Virginia Intermediate Muni Bond Fund 9/1/2016
 Columbia Capital Allocation Moderate Aggressive Portfolio 6/1/2016
 Columbia Capital Allocation Moderate Conservative Portfolio 6/1/2016
 Columbia Global Strategic Equity Fund 6/1/2016
 Columbia Large Cap Enhanced Core Fund 7/1/2016
 Columbia Large Cap Growth Fund III (Classes A, B, C, I, R4, R5, Y & Z) 7/1/2016
 Columbia Large Cap Index Fund 7/1/2016
 Columbia Mid Cap Index Fund 7/1/2016
 Columbia Select Global Growth Fund 7/1/2016
 Columbia Short Term Municipal Bond Fund 9/1/2016
 Columbia Small Cap Value Fund II 7/1/2016
Columbia Funds Series Trust I  
 Columbia AMT-Free Connecticut Intermediate Muni Bond Fund 3/1/2017
 Columbia AMT-Free Massachusetts Intermediate Muni Bond Fund 3/1/2017
 Columbia AMT-Free New York Intermediate Muni Bond Fund 3/1/2017
 Columbia AMT-Free Oregon Intermediate Muni Bond Fund 12/1/2016
 Columbia California Tax-Exempt Fund 3/1/2017
 Columbia High Yield Municipal Fund 10/1/2016
 Columbia New York Tax-Exempt Fund 3/1/2017
 Columbia Small Cap Value Fund I 9/1/2016
 Columbia Tax-Exempt Fund 12/1/2016
 Columbia U.S. Social Bond Fund 12/1/2016
Columbia Funds Series Trust II  
 Columbia Asia Pacific ex-Japan Fund 3/1/2017
 Columbia Capital Allocation Aggressive Portfolio 6/1/2016
 Columbia Capital Allocation Conservative Portfolio 6/1/2016
 Columbia Capital Allocation Moderate Portfolio 6/1/2016
 Columbia Global Infrastructure Fund 9/1/2016
 Columbia Minnesota Tax-Exempt Fund 12/1/2016
 Columbia Select Smaller-Cap Value Fund 10/1/2016
 Columbia Seligman Communications & Information Fund 10/1/2016
 Columbia Seligman Global Technology Fund 3/1/2017
 Columbia Strategic Municipal Income Fund 12/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia AMT-Free California Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia AMT-Free California Intermediate Muni Bond Fund 9/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia AMT-Free Georgia Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia AMT-Free Georgia Intermediate Muni Bond Fund 9/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia AMT-Free Maryland Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia AMT-Free Maryland Intermediate Muni Bond Fund 9/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia AMT-Free North Carolina Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia AMT-Free North Carolina Intermediate Muni Bond Fund 9/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia AMT-Free South Carolina Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia AMT-Free South Carolina Intermediate Muni Bond Fund 9/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia AMT-Free Virginia Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia AMT-Free Virginia Intermediate Muni Bond Fund 9/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Capital Allocation Moderate Aggressive Portfolio  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Capital Allocation Moderate Aggressive Portfolio 6/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Capital Allocation Moderate Conservative Portfolio  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Capital Allocation Moderate Conservative Portfolio 6/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Global Strategic Equity Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Global Strategic Equity Fund 6/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Large Cap Enhanced Core Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Large Cap Enhanced Core Fund 7/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Large Cap Growth Fund III  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Large Cap Growth Fund III (Classes A, B, C, I, R4, R5, Y & Z) 7/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Large Cap Index Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Large Cap Index Fund 7/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Mid Cap Index Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Mid Cap Index Fund 7/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Select Global Growth Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Select Global Growth Fund 7/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Short Term Municipal Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Short Term Municipal Bond Fund 9/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST | Columbia Small Cap Value Fund II  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust  
 Columbia Small Cap Value Fund II 7/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia AMT-Free Connecticut Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia AMT-Free Connecticut Intermediate Muni Bond Fund 3/1/2017
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia AMT-Free Massachusetts Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia AMT-Free Massachusetts Intermediate Muni Bond Fund 3/1/2017
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia AMT-Free New York Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia AMT-Free New York Intermediate Muni Bond Fund 3/1/2017
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia AMT-Free Oregon Intermediate Muni Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia AMT-Free Oregon Intermediate Muni Bond Fund 12/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia California Tax-Exempt Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia California Tax-Exempt Fund 3/1/2017
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia High Yield Municipal Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia High Yield Municipal Fund 10/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia New York Tax-Exempt Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia New York Tax-Exempt Fund 3/1/2017
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia Small Cap Value Fund I  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia Small Cap Value Fund I 9/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia Tax-Exempt Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia Tax-Exempt Fund 12/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
COLUMBIA FUNDS SERIES TRUST I | Columbia U.S. Social Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust I  
 Columbia U.S. Social Bond Fund 12/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Asia Pacific ex-Japan Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Asia Pacific ex-Japan Fund 3/1/2017
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Capital Allocation Aggressive Portfolio  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Capital Allocation Aggressive Portfolio 6/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Capital Allocation Conservative Portfolio  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Capital Allocation Conservative Portfolio 6/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Capital Allocation Moderate Portfolio  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Capital Allocation Moderate Portfolio 6/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Global Infrastructure Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Global Infrastructure Fund 9/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Minnesota Tax-Exempt Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Minnesota Tax-Exempt Fund 12/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Select Smaller-Cap Value Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Select Smaller-Cap Value Fund 10/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Seligman Communications and Information Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Seligman Communications & Information Fund 10/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Seligman Global Technology Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Seligman Global Technology Fund 3/1/2017
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.
Columbia Funds Series Trust II | Columbia Strategic Municipal Income Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cfsti1_SupplementTextBlock
Supplement dated March 10, 2017
to the Prospectus and Summary Prospectus (each as supplemented, if applicable) of each of the following Funds
(each a Fund and together the Funds):
Fund Prospectuses Dated
Columbia Funds Series Trust II  
 Columbia Strategic Municipal Income Fund 12/1/2016
Effective April 10, 2017, the information beneath the caption "Fees and Expenses of the Fund" in each Fund's Summary Prospectus and in the "Summary of the Fund" section of each Fund's Prospectus is hereby revised to insert the following information:
An investor transacting in a class of Fund shares without any front-end sales charge, contingent deferred sales charge, or other asset-based fee for sales or distribution may be required to pay a commission to the broker/financial intermediary for effecting such transactions. Such commissions are not reflected in the tables or the example below.

The rest of the section remains the same.