XML 11 R3.htm IDEA: XBRL DOCUMENT v3.10.0.1
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName TRANSAMERICA FUNDS
Prospectus Date rr_ProspectusDate Mar. 01, 2018
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Balanced II
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Balanced II:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.48
Distribution and service (12b-1) fees
     None  
Other expenses
     0.18
Total annual fund operating expenses1,2
     0.66
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.75% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.50% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 67     $ 211     $ 368     $ 822  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Government Money Market
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Government Money Market:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.25
Distribution and service (12b-1) fees
     None  
Other expenses
     0.15
Total annual fund operating expenses1,2
     0.40
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.48% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.30% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 41     $ 128     $ 224     $ 505  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica High Quality Bond
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica High Quality Bond:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.38
Distribution and service (12b-1) fees
     None  
Other expenses
     0.10
Total annual fund operating expenses1,2
     0.48
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.55% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.40% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 49     $ 154     $ 269     $ 604  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica High Yield Bond
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica High Yield Bond:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.57
Distribution and service (12b-1) fees
     None  
Other expenses
     0.06
Total annual fund operating expenses1,2
     0.63
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.75% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.60% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 64     $ 202     $ 351     $ 786  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Inflation-Protected Securities
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Inflation-Protected Securities:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.38
Distribution and service (12b-1) fees
     None  
Other expenses
     0.14
Total annual fund operating expenses1,2
     0.52
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.53% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.40% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 53     $ 167     $ 291     $ 653  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Intermediate Bond
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Intermediate Bond:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.38
Distribution and service (12b-1) fees
     None  
Other expenses
     0.04
Total annual fund operating expenses1,2
     0.42
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.50% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.40% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 43     $ 135     $ 235     $ 530  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica International Equity
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica International Equity:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.71
Distribution and service (12b-1) fees
     None  
Other expenses
     0.08
Total annual fund operating expenses1,2
     0.79
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 1.00% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.90% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 81     $ 252     $ 439     $ 978  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Large Growth
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Large Growth:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.65
Distribution and service (12b-1) fees
     None  
Other expenses
     0.07
Total annual fund operating expenses1,2
     0.72
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.75% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.65% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 74     $ 230     $ 401     $ 894  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Large Value Opportunities
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Large Value Opportunities:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees1
     0.44
Distribution and service (12b-1) fees
     None  
Other expenses
     0.09
Total annual fund operating expenses2,3
     0.53
 
1
Management fees have been restated to reflect a reduction in management fees effective September 1, 2018.
2
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.65% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.50% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
3
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 54     $ 170     $ 296     $ 665  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Mid Cap Growth
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Mid Cap Growth:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.75
Distribution and service (12b-1) fees
     None  
Other expenses
     0.12
Total annual fund operating expenses
     0.87
Fee waiver and/or expense reimbursement1
     0.02
Total annual fund operating expenses after fee waiver and/or expense reimbursement1,2
     0.85
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.85% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.75% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 87     $ 276     $ 480     $ 1,071  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Mid Cap Value Opportunities
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Mid Cap Value Opportunities:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.70
Distribution and service (12b-1) fees
     None  
Other expenses
     0.06
Total annual fund operating expenses1,2
     0.76
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.80% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.70% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 78     $ 243     $ 422     $ 942  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Small Cap Core
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Small Cap Core:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.83
Distribution and service (12b-1) fees
     None  
Other expenses
     0.15
Total annual fund operating expenses
     0.98
Fee waiver and/or expense reimbursement1
     0.03
Total annual fund operating expenses after fee waiver and/or expense reimbursement1,2
     0.95
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.95% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.85% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 97     $ 309     $ 539     $ 1,199  
* * *
Investors Should Retain this Supplement for Future Reference



November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Small Cap Growth
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Small Cap Growth:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.87
Distribution and service (12b-1) fees
     None  
Other expenses
     0.20
Total annual fund operating expenses
     1.07
Fee waiver and/or expense reimbursement1
     0.07
Total annual fund operating expenses after fee waiver and/or expense reimbursement1,2
     1.00
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 1.00% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.90% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 102     $ 333     $ 583     $ 1,299  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018

TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Small Cap Value
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Small Cap Value:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.84
Distribution and service (12b-1) fees
     None  
Other expenses
     0.10
Total annual fund operating expenses1,2
     0.94
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.95% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.85% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 96     $ 300     $ 520     $ 1,155  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Transamerica Balanced II  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Balanced II
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Balanced II:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.48
Distribution and service (12b-1) fees
     None  
Other expenses
     0.18
Total annual fund operating expenses1,2
     0.66
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.75% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.50% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 67     $ 211     $ 368     $ 822  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Balanced II | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.48%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.18%
Total annual fund operating expenses rr_ExpensesOverAssets 0.66% [1],[2]
1 year rr_ExpenseExampleYear01 $ 67
3 years rr_ExpenseExampleYear03 211
5 years rr_ExpenseExampleYear05 368
10 years rr_ExpenseExampleYear10 $ 822
Transamerica Government Money Market  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Government Money Market
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Government Money Market:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.25
Distribution and service (12b-1) fees
     None  
Other expenses
     0.15
Total annual fund operating expenses1,2
     0.40
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.48% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.30% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 41     $ 128     $ 224     $ 505  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Government Money Market | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.25%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.15%
Total annual fund operating expenses rr_ExpensesOverAssets 0.40% [2],[3]
1 year rr_ExpenseExampleYear01 $ 41
3 years rr_ExpenseExampleYear03 128
5 years rr_ExpenseExampleYear05 224
10 years rr_ExpenseExampleYear10 $ 505
Transamerica High Quality Bond  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica High Quality Bond
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica High Quality Bond:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.38
Distribution and service (12b-1) fees
     None  
Other expenses
     0.10
Total annual fund operating expenses1,2
     0.48
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.55% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.40% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 49     $ 154     $ 269     $ 604  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica High Quality Bond | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.38%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.10%
Total annual fund operating expenses rr_ExpensesOverAssets 0.48% [2],[4]
1 year rr_ExpenseExampleYear01 $ 49
3 years rr_ExpenseExampleYear03 154
5 years rr_ExpenseExampleYear05 269
10 years rr_ExpenseExampleYear10 $ 604
Transamerica High Yield Bond  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica High Yield Bond
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica High Yield Bond:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.57
Distribution and service (12b-1) fees
     None  
Other expenses
     0.06
Total annual fund operating expenses1,2
     0.63
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.75% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.60% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 64     $ 202     $ 351     $ 786  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica High Yield Bond | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.57%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.06%
Total annual fund operating expenses rr_ExpensesOverAssets 0.63% [2],[5]
1 year rr_ExpenseExampleYear01 $ 64
3 years rr_ExpenseExampleYear03 202
5 years rr_ExpenseExampleYear05 351
10 years rr_ExpenseExampleYear10 $ 786
Transamerica Inflation-Protected Securities  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Inflation-Protected Securities
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Inflation-Protected Securities:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.38
Distribution and service (12b-1) fees
     None  
Other expenses
     0.14
Total annual fund operating expenses1,2
     0.52
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.53% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.40% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 53     $ 167     $ 291     $ 653  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Inflation-Protected Securities | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.38%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.14%
Total annual fund operating expenses rr_ExpensesOverAssets 0.52% [2],[6]
1 year rr_ExpenseExampleYear01 $ 53
3 years rr_ExpenseExampleYear03 167
5 years rr_ExpenseExampleYear05 291
10 years rr_ExpenseExampleYear10 $ 653
Transamerica Intermediate Bond  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Intermediate Bond
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Intermediate Bond:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.38
Distribution and service (12b-1) fees
     None  
Other expenses
     0.04
Total annual fund operating expenses1,2
     0.42
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.50% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.40% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 43     $ 135     $ 235     $ 530  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Intermediate Bond | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.38%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.04%
Total annual fund operating expenses rr_ExpensesOverAssets 0.42% [2],[7]
1 year rr_ExpenseExampleYear01 $ 43
3 years rr_ExpenseExampleYear03 135
5 years rr_ExpenseExampleYear05 235
10 years rr_ExpenseExampleYear10 $ 530
Transamerica International Equity  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica International Equity
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica International Equity:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.71
Distribution and service (12b-1) fees
     None  
Other expenses
     0.08
Total annual fund operating expenses1,2
     0.79
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 1.00% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.90% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 81     $ 252     $ 439     $ 978  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica International Equity | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.71%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.08%
Total annual fund operating expenses rr_ExpensesOverAssets 0.79% [2],[8]
1 year rr_ExpenseExampleYear01 $ 81
3 years rr_ExpenseExampleYear03 252
5 years rr_ExpenseExampleYear05 439
10 years rr_ExpenseExampleYear10 $ 978
Transamerica Large Growth  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Large Growth
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Large Growth:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.65
Distribution and service (12b-1) fees
     None  
Other expenses
     0.07
Total annual fund operating expenses1,2
     0.72
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.75% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.65% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 74     $ 230     $ 401     $ 894  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Large Growth | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.65%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.07%
Total annual fund operating expenses rr_ExpensesOverAssets 0.72% [2],[9]
1 year rr_ExpenseExampleYear01 $ 74
3 years rr_ExpenseExampleYear03 230
5 years rr_ExpenseExampleYear05 401
10 years rr_ExpenseExampleYear10 $ 894
Transamerica Large Value Opportunities  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Large Value Opportunities
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Large Value Opportunities:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees1
     0.44
Distribution and service (12b-1) fees
     None  
Other expenses
     0.09
Total annual fund operating expenses2,3
     0.53
 
1
Management fees have been restated to reflect a reduction in management fees effective September 1, 2018.
2
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.65% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.50% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
3
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 54     $ 170     $ 296     $ 665  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent Management fees have been restated to reflect a reduction in management fees effective September 1, 2018.
Transamerica Large Value Opportunities | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.44% [10]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.09%
Total annual fund operating expenses rr_ExpensesOverAssets 0.53% [2],[11]
1 year rr_ExpenseExampleYear01 $ 54
3 years rr_ExpenseExampleYear03 170
5 years rr_ExpenseExampleYear05 296
10 years rr_ExpenseExampleYear10 $ 665
Transamerica Mid Cap Growth  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Mid Cap Growth
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Mid Cap Growth:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.75
Distribution and service (12b-1) fees
     None  
Other expenses
     0.12
Total annual fund operating expenses
     0.87
Fee waiver and/or expense reimbursement1
     0.02
Total annual fund operating expenses after fee waiver and/or expense reimbursement1,2
     0.85
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.85% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.75% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 87     $ 276     $ 480     $ 1,071  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Mid Cap Growth | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.75%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.12%
Total annual fund operating expenses rr_ExpensesOverAssets 0.87%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.02% [12]
Total annual fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 0.85% [2],[12]
1 year rr_ExpenseExampleYear01 $ 87
3 years rr_ExpenseExampleYear03 276
5 years rr_ExpenseExampleYear05 480
10 years rr_ExpenseExampleYear10 $ 1,071
Transamerica Mid Cap Value Opportunities  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Mid Cap Value Opportunities
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Mid Cap Value Opportunities:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.70
Distribution and service (12b-1) fees
     None  
Other expenses
     0.06
Total annual fund operating expenses1,2
     0.76
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.80% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.70% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 78     $ 243     $ 422     $ 942  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Mid Cap Value Opportunities | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.70%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.06%
Total annual fund operating expenses rr_ExpensesOverAssets 0.76% [2],[13]
1 year rr_ExpenseExampleYear01 $ 78
3 years rr_ExpenseExampleYear03 243
5 years rr_ExpenseExampleYear05 422
10 years rr_ExpenseExampleYear10 $ 942
Transamerica Small Cap Core  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Small Cap Core
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Small Cap Core:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.83
Distribution and service (12b-1) fees
     None  
Other expenses
     0.15
Total annual fund operating expenses
     0.98
Fee waiver and/or expense reimbursement1
     0.03
Total annual fund operating expenses after fee waiver and/or expense reimbursement1,2
     0.95
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.95% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.85% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 97     $ 309     $ 539     $ 1,199  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Small Cap Core | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.83%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.15%
Total annual fund operating expenses rr_ExpensesOverAssets 0.98%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.03% [14]
Total annual fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 0.95% [2],[14]
1 year rr_ExpenseExampleYear01 $ 97
3 years rr_ExpenseExampleYear03 309
5 years rr_ExpenseExampleYear05 539
10 years rr_ExpenseExampleYear10 $ 1,199
Transamerica Small Cap Growth  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Small Cap Growth
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Small Cap Growth:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.87
Distribution and service (12b-1) fees
     None  
Other expenses
     0.20
Total annual fund operating expenses
     1.07
Fee waiver and/or expense reimbursement1
     0.07
Total annual fund operating expenses after fee waiver and/or expense reimbursement1,2
     1.00
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 1.00% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.90% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 102     $ 333     $ 583     $ 1,299  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Small Cap Growth | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.87%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.20%
Total annual fund operating expenses rr_ExpensesOverAssets 1.07%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.07% [8]
Total annual fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 1.00% [2],[8]
1 year rr_ExpenseExampleYear01 $ 102
3 years rr_ExpenseExampleYear03 333
5 years rr_ExpenseExampleYear05 583
10 years rr_ExpenseExampleYear10 $ 1,299
Transamerica Small Cap Value  
Risk/Return: rr_RiskReturnAbstract  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
TRANSAMERICA FUNDS
Supplement to the Currently Effective Class R, Class R2, Class R4 and Class I3 Prospectus, Summary
Prospectuses and Statement of Additional Information
* * *
Transamerica Small Cap Value
Class I3 Shares
* * *
Effective November 30, 2018, the following information will supplement and supersede any contrary information contained in the Prospectus, Summary Prospectus and Statement of Additional Information concerning Class I3 shares of Transamerica Small Cap Value:
FEES AND EXPENSES:
The information contained in the “Annual Fund Operating Expenses” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below.
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
 
Class:
   I3  
Management fees
     0.84
Distribution and service (12b-1) fees
     None  
Other expenses
     0.10
Total annual fund operating expenses1,2
     0.94
 
1
The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.95% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.85% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
2
Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
The “Example” table included in the Prospectus and Summary Prospectus is supplemented and superseded with the information below:
 
    1 year     3 years     5 years     10 years  
Class I3   $ 96     $ 300     $ 520     $ 1,155  
* * *
Investors Should Retain this Supplement for Future Reference


November 1, 2018
Expense [Heading] rr_ExpenseHeading <b>FEES AND EXPENSES: </b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) </b>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination March 1, 2019
Transamerica Small Cap Value | I3  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.84%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.10%
Total annual fund operating expenses rr_ExpensesOverAssets 0.94% [2],[14]
1 year rr_ExpenseExampleYear01 $ 96
3 years rr_ExpenseExampleYear03 300
5 years rr_ExpenseExampleYear05 520
10 years rr_ExpenseExampleYear10 $ 1,155
[1] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.75% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.50% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[2] Total annual fund operating expenses do not correlate to the ratio of expenses to average net assets in the financial highlights table.
[3] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.48% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.30% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[4] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.55% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.40% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[5] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.75% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.60% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[6] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.53% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.40% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[7] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.50% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.40% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[8] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 1.00% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.90% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[9] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.75% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.65% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[10] Management fees have been restated to reflect a reduction in management fees effective September 1, 2018.
[11] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.65% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.50% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[12] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.85% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.75% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[13] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.80% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.70% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.
[14] The Board of Trustees of the fund approved a change to the expense limitation arrangement for Class I3 shares of the fund effective November 30, 2018. Under the amended arrangement, the fund’s investment manager, Transamerica Asset Management, Inc. (“TAM”), has agreed through March 1, 2019 to waive fees and/or reimburse fund expenses to the extent that total annual fund operating expenses exceed 0.95% for Class I3 shares, excluding, as applicable, acquired fund fees and expenses, interest, taxes, brokerage commissions, dividend and interest expenses on securities sold short, extraordinary expenses and other expenses not incurred in the ordinary course of the fund’s business. The prior expense cap for Class I3 was 0.85% through November 29, 2018. The expense limitation arrangement cannot be terminated prior to March 1, 2019 without the Board of Trustees’ consent. TAM is permitted to recapture amounts waived and/or reimbursed to the class during any of the 36 months from the date on which TAM waived fees and/or reimbursed expenses for the class. The class may reimburse TAM only if such reimbursement does not cause, on any particular business day of the fund, the class’s total annual operating expenses (after the reimbursement is taken into account) to exceed the applicable limits described above or any other lower limit then in effect.