v3.26.1
Shareholder Report
 6 Months Ended
Apr. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name HARTFORD MUTUAL FUNDS, INC
Entity Central Index Key 0001006415
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
C000048992 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Checks and Balances Fund
Class Name Class A
Trading Symbol HCKAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Checks and Balances Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $19* 0.38%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 19 [1]
Expense Ratio, Percent 0.38% [1],[2]
Net Assets $ 1,354,090,828
Holdings Count | Holding 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,354,090,828
Total number of portfolio holdings 3
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 67.3 %
Taxable Fixed Income Fund 32.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000048994 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Checks and Balances Fund
Class Name Class C
Trading Symbol HCKCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Checks and Balances Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $60* 1.18%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 60 [3]
Expense Ratio, Percent 1.18% [3],[4]
Net Assets $ 1,354,090,828
Holdings Count | Holding 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,354,090,828
Total number of portfolio holdings 3
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 67.3 %
Taxable Fixed Income Fund 32.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000059904 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Checks and Balances Fund
Class Name Class I
Trading Symbol HCKIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Checks and Balances Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $9* 0.18%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 9 [5]
Expense Ratio, Percent 0.18% [5],[6]
Net Assets $ 1,354,090,828
Holdings Count | Holding 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,354,090,828
Total number of portfolio holdings 3
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 67.3 %
Taxable Fixed Income Fund 32.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000068458 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Checks and Balances Fund
Class Name Class R3
Trading Symbol HCKRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Checks and Balances Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $38* 0.75%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 38 [7]
Expense Ratio, Percent 0.75% [7],[8]
Net Assets $ 1,354,090,828
Holdings Count | Holding 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,354,090,828
Total number of portfolio holdings 3
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 67.3 %
Taxable Fixed Income Fund 32.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000068459 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Checks and Balances Fund
Class Name Class R4
Trading Symbol HCKSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Checks and Balances Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $23* 0.46%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 23 [9]
Expense Ratio, Percent 0.46% [9],[10]
Net Assets $ 1,354,090,828
Holdings Count | Holding 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,354,090,828
Total number of portfolio holdings 3
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 67.3 %
Taxable Fixed Income Fund 32.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000068460 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Checks and Balances Fund
Class Name Class R5
Trading Symbol HCKTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Checks and Balances Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $8* 0.16%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 8 [11]
Expense Ratio, Percent 0.16% [11],[12]
Net Assets $ 1,354,090,828
Holdings Count | Holding 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,354,090,828
Total number of portfolio holdings 3
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 67.3 %
Taxable Fixed Income Fund 32.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000185739 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Checks and Balances Fund
Class Name Class F
Trading Symbol HCKFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Checks and Balances Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $2* 0.04%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 2 [13]
Expense Ratio, Percent 0.04% [13],[14]
Net Assets $ 1,354,090,828
Holdings Count | Holding 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,354,090,828
Total number of portfolio holdings 3
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 67.3 %
Taxable Fixed Income Fund 32.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000089178 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Real Asset Fund (Consolidated)
Class Name Class A
Trading Symbol HRLAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Real Asset Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $68 1.25%
^
Annualized.
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.25% [15]
Material Change Date Feb. 27, 2026
Net Assets $ 69,821,278
Holdings Count | Holding 224
Investment Company Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $69,821,278
Total number of portfolio holdings 224
Portfolio turnover rate 61%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 49.9 %
U.S. Government Securities 36.7 %
Foreign Government Obligations 2.6 %
Closed End Funds 0.9 %
Short-Term Investments 0.4 %
Other Assets & Liabilities 9.5 %
Total 100.0 %
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Material Fund Change Risks Change [Text Block]
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000089179 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Real Asset Fund (Consolidated)
Class Name Class C
Trading Symbol HRLCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Real Asset Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $108 2.00%
^
Annualized.
Expenses Paid, Amount $ 108
Expense Ratio, Percent 2.00% [16]
Material Change Date Feb. 27, 2026
Net Assets $ 69,821,278
Holdings Count | Holding 224
Investment Company Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $69,821,278
Total number of portfolio holdings 224
Portfolio turnover rate 61%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 49.9 %
U.S. Government Securities 36.7 %
Foreign Government Obligations 2.6 %
Closed End Funds 0.9 %
Short-Term Investments 0.4 %
Other Assets & Liabilities 9.5 %
Total 100.0 %
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Material Fund Change Risks Change [Text Block]
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000089173 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Real Asset Fund (Consolidated)
Class Name Class I
Trading Symbol HRLIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Real Asset Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $54 1.00%
^
Annualized.
Expenses Paid, Amount $ 54
Expense Ratio, Percent 1.00% [17]
Material Change Date Feb. 27, 2026
Net Assets $ 69,821,278
Holdings Count | Holding 224
Investment Company Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $69,821,278
Total number of portfolio holdings 224
Portfolio turnover rate 61%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 49.9 %
U.S. Government Securities 36.7 %
Foreign Government Obligations 2.6 %
Closed End Funds 0.9 %
Short-Term Investments 0.4 %
Other Assets & Liabilities 9.5 %
Total 100.0 %
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Material Fund Change Risks Change [Text Block]
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000089174 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Real Asset Fund (Consolidated)
Class Name Class R3
Trading Symbol HRLRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Real Asset Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $81 1.50%
^
Annualized.
Expenses Paid, Amount $ 81
Expense Ratio, Percent 1.50% [18]
Material Change Date Feb. 27, 2026
Net Assets $ 69,821,278
Holdings Count | Holding 224
Investment Company Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $69,821,278
Total number of portfolio holdings 224
Portfolio turnover rate 61%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 49.9 %
U.S. Government Securities 36.7 %
Foreign Government Obligations 2.6 %
Closed End Funds 0.9 %
Short-Term Investments 0.4 %
Other Assets & Liabilities 9.5 %
Total 100.0 %
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Material Fund Change Risks Change [Text Block]
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000089175 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Real Asset Fund (Consolidated)
Class Name Class R4
Trading Symbol HRLSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Real Asset Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $65 1.20%
^
Annualized.
Expenses Paid, Amount $ 65
Expense Ratio, Percent 1.20% [19]
Material Change Date Feb. 27, 2026
Net Assets $ 69,821,278
Holdings Count | Holding 224
Investment Company Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $69,821,278
Total number of portfolio holdings 224
Portfolio turnover rate 61%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 49.9 %
U.S. Government Securities 36.7 %
Foreign Government Obligations 2.6 %
Closed End Funds 0.9 %
Short-Term Investments 0.4 %
Other Assets & Liabilities 9.5 %
Total 100.0 %
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Material Fund Change Risks Change [Text Block]
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000089176 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Real Asset Fund (Consolidated)
Class Name Class R5
Trading Symbol HRLTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Real Asset Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $51 0.95%
^
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.95% [20]
Material Change Date Feb. 27, 2026
Net Assets $ 69,821,278
Holdings Count | Holding 224
Investment Company Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $69,821,278
Total number of portfolio holdings 224
Portfolio turnover rate 61%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 49.9 %
U.S. Government Securities 36.7 %
Foreign Government Obligations 2.6 %
Closed End Funds 0.9 %
Short-Term Investments 0.4 %
Other Assets & Liabilities 9.5 %
Total 100.0 %
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Material Fund Change Risks Change [Text Block] Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000236153 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Real Asset Fund (Consolidated)
Class Name Class R6
Trading Symbol HRLZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Real Asset Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $49 0.90%
^
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.90% [21]
Material Change Date Feb. 27, 2026
Net Assets $ 69,821,278
Holdings Count | Holding 224
Investment Company Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $69,821,278
Total number of portfolio holdings 224
Portfolio turnover rate 61%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 49.9 %
U.S. Government Securities 36.7 %
Foreign Government Obligations 2.6 %
Closed End Funds 0.9 %
Short-Term Investments 0.4 %
Other Assets & Liabilities 9.5 %
Total 100.0 %
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Material Fund Change Risks Change [Text Block]
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000089177 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Real Asset Fund (Consolidated)
Class Name Class Y
Trading Symbol HRLYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Real Asset Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $49 0.90%
^
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.90% [22]
Material Change Date Feb. 27, 2026
Net Assets $ 69,821,278
Holdings Count | Holding 224
Investment Company Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $69,821,278
Total number of portfolio holdings 224
Portfolio turnover rate 61%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 49.9 %
U.S. Government Securities 36.7 %
Foreign Government Obligations 2.6 %
Closed End Funds 0.9 %
Short-Term Investments 0.4 %
Other Assets & Liabilities 9.5 %
Total 100.0 %
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Material Fund Change Risks Change [Text Block]
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000185751 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Real Asset Fund (Consolidated)
Class Name Class F
Trading Symbol HRLFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Real Asset Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $49 0.90%
^
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.90% [23]
Material Change Date Feb. 27, 2026
Net Assets $ 69,821,278
Holdings Count | Holding 224
Investment Company Portfolio Turnover 61.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $69,821,278
Total number of portfolio holdings 224
Portfolio turnover rate 61%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 49.9 %
U.S. Government Securities 36.7 %
Foreign Government Obligations 2.6 %
Closed End Funds 0.9 %
Short-Term Investments 0.4 %
Other Assets & Liabilities 9.5 %
Total 100.0 %
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Material Fund Change Risks Change [Text Block]
Effective February 27, 2026, “Futures and Options Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000010065 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Equity Income Fund
Class Name Class A
Trading Symbol HQIAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Equity Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $51 0.97%
^
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.97% [24]
Net Assets $ 4,914,562,582
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $4,914,562,582
Total number of portfolio holdings (excluding derivatives, if any) 77
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 20.3 %
Health Care 15.8 %
Information Technology 11.7 %
Industrials 11.6 %
Consumer Staples 9.5 %
Utilities 8.0 %
Real Estate 7.4 %
Energy 4.9 %
Materials 3.8 %
Consumer Discretionary 3.1 %
Communication Services 2.9 %
Short-Term Investments 1.3 %
Other Assets & Liabilities (0.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000010067 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Equity Income Fund
Class Name Class C
Trading Symbol HQICX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Equity Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $91 1.76%
^
Annualized.
Expenses Paid, Amount $ 91
Expense Ratio, Percent 1.76% [25]
Net Assets $ 4,914,562,582
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $4,914,562,582
Total number of portfolio holdings (excluding derivatives, if any) 77
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 20.3 %
Health Care 15.8 %
Information Technology 11.7 %
Industrials 11.6 %
Consumer Staples 9.5 %
Utilities 8.0 %
Real Estate 7.4 %
Energy 4.9 %
Materials 3.8 %
Consumer Discretionary 3.1 %
Communication Services 2.9 %
Short-Term Investments 1.3 %
Other Assets & Liabilities (0.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000035183 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Equity Income Fund
Class Name Class I
Trading Symbol HQIIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Equity Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $40 0.76%
^
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.76% [26]
Net Assets $ 4,914,562,582
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $4,914,562,582
Total number of portfolio holdings (excluding derivatives, if any) 77
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 20.3 %
Health Care 15.8 %
Information Technology 11.7 %
Industrials 11.6 %
Consumer Staples 9.5 %
Utilities 8.0 %
Real Estate 7.4 %
Energy 4.9 %
Materials 3.8 %
Consumer Discretionary 3.1 %
Communication Services 2.9 %
Short-Term Investments 1.3 %
Other Assets & Liabilities (0.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000041005 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Equity Income Fund
Class Name Class R3
Trading Symbol HQIRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Equity Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $71 1.36%
^
Annualized.
Expenses Paid, Amount $ 71
Expense Ratio, Percent 1.36% [27]
Net Assets $ 4,914,562,582
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $4,914,562,582
Total number of portfolio holdings (excluding derivatives, if any) 77
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 20.3 %
Health Care 15.8 %
Information Technology 11.7 %
Industrials 11.6 %
Consumer Staples 9.5 %
Utilities 8.0 %
Real Estate 7.4 %
Energy 4.9 %
Materials 3.8 %
Consumer Discretionary 3.1 %
Communication Services 2.9 %
Short-Term Investments 1.3 %
Other Assets & Liabilities (0.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000041006 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Equity Income Fund
Class Name Class R4
Trading Symbol HQISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Equity Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $55 1.06%
^
Annualized.
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.06% [28]
Net Assets $ 4,914,562,582
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $4,914,562,582
Total number of portfolio holdings (excluding derivatives, if any) 77
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 20.3 %
Health Care 15.8 %
Information Technology 11.7 %
Industrials 11.6 %
Consumer Staples 9.5 %
Utilities 8.0 %
Real Estate 7.4 %
Energy 4.9 %
Materials 3.8 %
Consumer Discretionary 3.1 %
Communication Services 2.9 %
Short-Term Investments 1.3 %
Other Assets & Liabilities (0.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000041007 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Equity Income Fund
Class Name Class R5
Trading Symbol HQITX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Equity Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $39 0.75%
^
Annualized.
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.75% [29]
Net Assets $ 4,914,562,582
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $4,914,562,582
Total number of portfolio holdings (excluding derivatives, if any) 77
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 20.3 %
Health Care 15.8 %
Information Technology 11.7 %
Industrials 11.6 %
Consumer Staples 9.5 %
Utilities 8.0 %
Real Estate 7.4 %
Energy 4.9 %
Materials 3.8 %
Consumer Discretionary 3.1 %
Communication Services 2.9 %
Short-Term Investments 1.3 %
Other Assets & Liabilities (0.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000148298 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Equity Income Fund
Class Name Class R6
Trading Symbol HQIVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Equity Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $34 0.65%
^
Annualized.
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.65% [30]
Net Assets $ 4,914,562,582
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $4,914,562,582
Total number of portfolio holdings (excluding derivatives, if any) 77
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 20.3 %
Health Care 15.8 %
Information Technology 11.7 %
Industrials 11.6 %
Consumer Staples 9.5 %
Utilities 8.0 %
Real Estate 7.4 %
Energy 4.9 %
Materials 3.8 %
Consumer Discretionary 3.1 %
Communication Services 2.9 %
Short-Term Investments 1.3 %
Other Assets & Liabilities (0.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000010064 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Dividend and Growth Fund
Class Name Class Y
Trading Symbol HDGYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Dividend and Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $38 0.73%
^
Annualized.
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.73% [31]
Net Assets $ 18,281,385,735
Holdings Count | Holding 74
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $18,281,385,735
Total number of portfolio holdings (excluding derivatives, if any) 74
Portfolio turnover rate 29%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 19.6 %
Financials 16.9 %
Industrials 12.5 %
Health Care 12.4 %
Communication Services 8.4 %
Consumer Discretionary 6.9 %
Energy 6.4 %
Consumer Staples 6.1 %
Utilities 4.6 %
Real Estate 3.1 %
Materials 2.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 0.0 %†
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
​†
Percentage rounds to zero.
C000185733 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Dividend and Growth Fund
Class Name Class F
Trading Symbol HDGFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Dividend and Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $33 0.63%
^
Annualized.
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.63% [32]
Net Assets $ 18,281,385,735
Holdings Count | Holding 74
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $18,281,385,735
Total number of portfolio holdings (excluding derivatives, if any) 74
Portfolio turnover rate 29%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 19.6 %
Financials 16.9 %
Industrials 12.5 %
Health Care 12.4 %
Communication Services 8.4 %
Consumer Discretionary 6.9 %
Energy 6.4 %
Consumer Staples 6.1 %
Utilities 4.6 %
Real Estate 3.1 %
Materials 2.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 0.0 %†
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
​†
Percentage rounds to zero.
C000041002 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Dividend and Growth Fund
Class Name Class R3
Trading Symbol HDGRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Dividend and Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $69 1.34%
^
Annualized.
Expenses Paid, Amount $ 69
Expense Ratio, Percent 1.34% [33]
Net Assets $ 18,281,385,735
Holdings Count | Holding 74
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $18,281,385,735
Total number of portfolio holdings (excluding derivatives, if any) 74
Portfolio turnover rate 29%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 19.6 %
Financials 16.9 %
Industrials 12.5 %
Health Care 12.4 %
Communication Services 8.4 %
Consumer Discretionary 6.9 %
Energy 6.4 %
Consumer Staples 6.1 %
Utilities 4.6 %
Real Estate 3.1 %
Materials 2.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 0.0 %†
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
​†
Percentage rounds to zero.
C000041003 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Dividend and Growth Fund
Class Name Class R4
Trading Symbol HDGSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Dividend and Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $54 1.04%
^
Annualized.
Expenses Paid, Amount $ 54
Expense Ratio, Percent 1.04% [34]
Net Assets $ 18,281,385,735
Holdings Count | Holding 74
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $18,281,385,735
Total number of portfolio holdings (excluding derivatives, if any) 74
Portfolio turnover rate 29%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 19.6 %
Financials 16.9 %
Industrials 12.5 %
Health Care 12.4 %
Communication Services 8.4 %
Consumer Discretionary 6.9 %
Energy 6.4 %
Consumer Staples 6.1 %
Utilities 4.6 %
Real Estate 3.1 %
Materials 2.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 0.0 %†
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
​†
Percentage rounds to zero.
C000041004 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Dividend and Growth Fund
Class Name Class R5
Trading Symbol HDGTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Dividend and Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $38 0.73%
^
Annualized.
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.73% [35]
Net Assets $ 18,281,385,735
Holdings Count | Holding 74
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $18,281,385,735
Total number of portfolio holdings (excluding derivatives, if any) 74
Portfolio turnover rate 29%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 19.6 %
Financials 16.9 %
Industrials 12.5 %
Health Care 12.4 %
Communication Services 8.4 %
Consumer Discretionary 6.9 %
Energy 6.4 %
Consumer Staples 6.1 %
Utilities 4.6 %
Real Estate 3.1 %
Materials 2.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 0.0 %†
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
​†
Percentage rounds to zero.
C000148297 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Dividend and Growth Fund
Class Name Class R6
Trading Symbol HDGVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Dividend and Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $33 0.63%
^
Annualized.
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.63% [36]
Net Assets $ 18,281,385,735
Holdings Count | Holding 74
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $18,281,385,735
Total number of portfolio holdings (excluding derivatives, if any) 74
Portfolio turnover rate 29%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 19.6 %
Financials 16.9 %
Industrials 12.5 %
Health Care 12.4 %
Communication Services 8.4 %
Consumer Discretionary 6.9 %
Energy 6.4 %
Consumer Staples 6.1 %
Utilities 4.6 %
Real Estate 3.1 %
Materials 2.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 0.0 %†
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
​†
Percentage rounds to zero.
C000185737 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Balanced Income Fund
Class Name Class F
Trading Symbol HBLFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Balanced Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $29 0.57%
^
Annualized.
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.57% [37]
Net Assets $ 11,298,883,722
Holdings Count | Holding 1,581
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,298,883,722
Total number of portfolio holdings 1,581
Portfolio turnover rate 51%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 46.7 %
Common Stocks 44.2 %
Foreign Government Obligations 4.0 %
U.S. Government Securities 2.7 %
Municipal Bonds 0.3 %
Convertible Bonds 0.2 %
Preferred Stocks 0.1 %
Senior Floating Rate Interests 0.1 %
Short-Term Investments 1.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000034972 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Balanced Income Fund
Class Name Class Y
Trading Symbol HBLYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Balanced Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $35 0.68%
^
Annualized.
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.68% [38]
Net Assets $ 11,298,883,722
Holdings Count | Holding 1,581
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,298,883,722
Total number of portfolio holdings 1,581
Portfolio turnover rate 51%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 46.7 %
Common Stocks 44.2 %
Foreign Government Obligations 4.0 %
U.S. Government Securities 2.7 %
Municipal Bonds 0.3 %
Convertible Bonds 0.2 %
Preferred Stocks 0.1 %
Senior Floating Rate Interests 0.1 %
Short-Term Investments 1.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000148299 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Balanced Income Fund
Class Name Class R6
Trading Symbol HBLVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Balanced Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $29 0.57%
^
Annualized.
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.57% [39]
Net Assets $ 11,298,883,722
Holdings Count | Holding 1,581
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,298,883,722
Total number of portfolio holdings 1,581
Portfolio turnover rate 51%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 46.7 %
Common Stocks 44.2 %
Foreign Government Obligations 4.0 %
U.S. Government Securities 2.7 %
Municipal Bonds 0.3 %
Convertible Bonds 0.2 %
Preferred Stocks 0.1 %
Senior Floating Rate Interests 0.1 %
Short-Term Investments 1.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000089749 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Balanced Income Fund
Class Name Class R5
Trading Symbol HBLTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Balanced Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $34 0.67%
^
Annualized.
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.67% [40]
Net Assets $ 11,298,883,722
Holdings Count | Holding 1,581
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,298,883,722
Total number of portfolio holdings 1,581
Portfolio turnover rate 51%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 46.7 %
Common Stocks 44.2 %
Foreign Government Obligations 4.0 %
U.S. Government Securities 2.7 %
Municipal Bonds 0.3 %
Convertible Bonds 0.2 %
Preferred Stocks 0.1 %
Senior Floating Rate Interests 0.1 %
Short-Term Investments 1.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000010068 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Equity Income Fund
Class Name Class Y
Trading Symbol HQIYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Equity Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $39 0.74%
^
Annualized.
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.74% [41]
Net Assets $ 4,914,562,582
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $4,914,562,582
Total number of portfolio holdings (excluding derivatives, if any) 77
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 20.3 %
Health Care 15.8 %
Information Technology 11.7 %
Industrials 11.6 %
Consumer Staples 9.5 %
Utilities 8.0 %
Real Estate 7.4 %
Energy 4.9 %
Materials 3.8 %
Consumer Discretionary 3.1 %
Communication Services 2.9 %
Short-Term Investments 1.3 %
Other Assets & Liabilities (0.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185735 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Equity Income Fund
Class Name Class F
Trading Symbol HQIFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Equity Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $33 0.64%
^
Annualized.
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.64% [42]
Net Assets $ 4,914,562,582
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $4,914,562,582
Total number of portfolio holdings (excluding derivatives, if any) 77
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 20.3 %
Health Care 15.8 %
Information Technology 11.7 %
Industrials 11.6 %
Consumer Staples 9.5 %
Utilities 8.0 %
Real Estate 7.4 %
Energy 4.9 %
Materials 3.8 %
Consumer Discretionary 3.1 %
Communication Services 2.9 %
Short-Term Investments 1.3 %
Other Assets & Liabilities (0.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000034969 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Balanced Income Fund
Class Name Class A
Trading Symbol HBLAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Balanced Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $45 0.89%
^
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.89% [43]
Net Assets $ 11,298,883,722
Holdings Count | Holding 1,581
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,298,883,722
Total number of portfolio holdings 1,581
Portfolio turnover rate 51%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 46.7 %
Common Stocks 44.2 %
Foreign Government Obligations 4.0 %
U.S. Government Securities 2.7 %
Municipal Bonds 0.3 %
Convertible Bonds 0.2 %
Preferred Stocks 0.1 %
Senior Floating Rate Interests 0.1 %
Short-Term Investments 1.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000034971 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Balanced Income Fund
Class Name Class C
Trading Symbol HBLCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Balanced Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $85 1.67%
^
Annualized.
Expenses Paid, Amount $ 85
Expense Ratio, Percent 1.67% [44]
Net Assets $ 11,298,883,722
Holdings Count | Holding 1,581
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,298,883,722
Total number of portfolio holdings 1,581
Portfolio turnover rate 51%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 46.7 %
Common Stocks 44.2 %
Foreign Government Obligations 4.0 %
U.S. Government Securities 2.7 %
Municipal Bonds 0.3 %
Convertible Bonds 0.2 %
Preferred Stocks 0.1 %
Senior Floating Rate Interests 0.1 %
Short-Term Investments 1.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000085296 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Balanced Income Fund
Class Name Class I
Trading Symbol HBLIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Balanced Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $34 0.67%
^
Annualized.
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.67% [45]
Net Assets $ 11,298,883,722
Holdings Count | Holding 1,581
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,298,883,722
Total number of portfolio holdings 1,581
Portfolio turnover rate 51%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 46.7 %
Common Stocks 44.2 %
Foreign Government Obligations 4.0 %
U.S. Government Securities 2.7 %
Municipal Bonds 0.3 %
Convertible Bonds 0.2 %
Preferred Stocks 0.1 %
Senior Floating Rate Interests 0.1 %
Short-Term Investments 1.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000089747 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Balanced Income Fund
Class Name Class R3
Trading Symbol HBLRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Balanced Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $64 1.27%
^
Annualized.
Expenses Paid, Amount $ 64
Expense Ratio, Percent 1.27% [46]
Net Assets $ 11,298,883,722
Holdings Count | Holding 1,581
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,298,883,722
Total number of portfolio holdings 1,581
Portfolio turnover rate 51%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 46.7 %
Common Stocks 44.2 %
Foreign Government Obligations 4.0 %
U.S. Government Securities 2.7 %
Municipal Bonds 0.3 %
Convertible Bonds 0.2 %
Preferred Stocks 0.1 %
Senior Floating Rate Interests 0.1 %
Short-Term Investments 1.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000089748 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Balanced Income Fund
Class Name Class R4
Trading Symbol HBLSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Balanced Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $50 0.99%
^
Annualized.
Expenses Paid, Amount $ 50
Expense Ratio, Percent 0.99% [47]
Net Assets $ 11,298,883,722
Holdings Count | Holding 1,581
Investment Company Portfolio Turnover 51.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,298,883,722
Total number of portfolio holdings 1,581
Portfolio turnover rate 51%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 46.7 %
Common Stocks 44.2 %
Foreign Government Obligations 4.0 %
U.S. Government Securities 2.7 %
Municipal Bonds 0.3 %
Convertible Bonds 0.2 %
Preferred Stocks 0.1 %
Senior Floating Rate Interests 0.1 %
Short-Term Investments 1.4 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000185731 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Conservative Allocation Fund
Class Name Class F
Trading Symbol HCVFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $8* 0.15%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 8 [48]
Expense Ratio, Percent 0.15% [48],[49]
Net Assets $ 140,826,533
Holdings Count | Holding 17
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $140,826,533
Total number of portfolio holdings 17
Portfolio turnover rate 9%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Taxable Fixed Income Funds 62.4 %
Domestic Equity Funds 26.7 %
International/Global Equity Funds 10.6 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000249771 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Conservative Allocation Fund
Class Name Class Y
Trading Symbol HCVYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $13* 0.25%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 13 [50]
Expense Ratio, Percent 0.25% [50],[51]
Net Assets $ 140,826,533
Holdings Count | Holding 17
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $140,826,533
Total number of portfolio holdings 17
Portfolio turnover rate 9%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Taxable Fixed Income Funds 62.4 %
Domestic Equity Funds 26.7 %
International/Global Equity Funds 10.6 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000035181 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Conservative Allocation Fund
Class Name Class I
Trading Symbol HCVIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $13* 0.25%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 13 [52]
Expense Ratio, Percent 0.25% [52],[53]
Net Assets $ 140,826,533
Holdings Count | Holding 17
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $140,826,533
Total number of portfolio holdings 17
Portfolio turnover rate 9%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Taxable Fixed Income Funds 62.4 %
Domestic Equity Funds 26.7 %
International/Global Equity Funds 10.6 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000040996 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Conservative Allocation Fund
Class Name Class R3
Trading Symbol HCVRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $44* 0.87%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 44 [54]
Expense Ratio, Percent 0.87% [54],[55]
Net Assets $ 140,826,533
Holdings Count | Holding 17
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $140,826,533
Total number of portfolio holdings 17
Portfolio turnover rate 9%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Taxable Fixed Income Funds 62.4 %
Domestic Equity Funds 26.7 %
International/Global Equity Funds 10.6 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000040997 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Conservative Allocation Fund
Class Name Class R4
Trading Symbol HCVSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $28* 0.56%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 28 [56]
Expense Ratio, Percent 0.56% [56],[57]
Net Assets $ 140,826,533
Holdings Count | Holding 17
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $140,826,533
Total number of portfolio holdings 17
Portfolio turnover rate 9%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Taxable Fixed Income Funds 62.4 %
Domestic Equity Funds 26.7 %
International/Global Equity Funds 10.6 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000040998 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Conservative Allocation Fund
Class Name Class R5
Trading Symbol HCVTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $13* 0.26%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 13 [58]
Expense Ratio, Percent 0.26% [58],[59]
Net Assets $ 140,826,533
Holdings Count | Holding 17
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $140,826,533
Total number of portfolio holdings 17
Portfolio turnover rate 9%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Taxable Fixed Income Funds 62.4 %
Domestic Equity Funds 26.7 %
International/Global Equity Funds 10.6 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000040985 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Capital Appreciation Fund
Class Name Class R4
Trading Symbol ITHSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Capital Appreciation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $56 1.10%
^
Annualized.
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.10% [60]
Material Change Date Feb. 27, 2026
Net Assets $ 6,126,664,163
Holdings Count | Holding 144
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,126,664,163
Total number of portfolio holdings (excluding derivatives, if any) 144
Portfolio turnover rate (excludes in-kind redemption transactions) 44%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.1 %
Communication Services 12.1 %
Financials 11.8 %
Consumer Discretionary 9.8 %
Health Care 7.3 %
Industrials 7.3 %
Consumer Staples 5.3 %
Energy 3.9 %
Utilities 2.8 %
Materials 2.3 %
Real Estate 1.5 %
Short-Term Investments 0.7 %
Other Assets & Liabilities 2.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process. As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process.
Material Fund Change Risks Change [Text Block] As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000040984 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Capital Appreciation Fund
Class Name Class R3
Trading Symbol ITHRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Capital Appreciation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $71 1.41%
^
Annualized.
Expenses Paid, Amount $ 71
Expense Ratio, Percent 1.41% [61]
Material Change Date Feb. 27, 2026
Net Assets $ 6,126,664,163
Holdings Count | Holding 144
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,126,664,163
Total number of portfolio holdings (excluding derivatives, if any) 144
Portfolio turnover rate (excludes in-kind redemption transactions) 44%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.1 %
Communication Services 12.1 %
Financials 11.8 %
Consumer Discretionary 9.8 %
Health Care 7.3 %
Industrials 7.3 %
Consumer Staples 5.3 %
Energy 3.9 %
Utilities 2.8 %
Materials 2.3 %
Real Estate 1.5 %
Short-Term Investments 0.7 %
Other Assets & Liabilities 2.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process. As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process.
Material Fund Change Risks Change [Text Block] As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000040986 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Capital Appreciation Fund
Class Name Class R5
Trading Symbol ITHTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Capital Appreciation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $41 0.81%
^
Annualized.
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.81% [62]
Material Change Date Feb. 27, 2026
Net Assets $ 6,126,664,163
Holdings Count | Holding 144
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,126,664,163
Total number of portfolio holdings (excluding derivatives, if any) 144
Portfolio turnover rate (excludes in-kind redemption transactions) 44%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.1 %
Communication Services 12.1 %
Financials 11.8 %
Consumer Discretionary 9.8 %
Health Care 7.3 %
Industrials 7.3 %
Consumer Staples 5.3 %
Energy 3.9 %
Utilities 2.8 %
Materials 2.3 %
Real Estate 1.5 %
Short-Term Investments 0.7 %
Other Assets & Liabilities 2.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process. As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process.
Material Fund Change Risks Change [Text Block] As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000010041 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Capital Appreciation Fund
Class Name Class Y
Trading Symbol HCAYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Capital Appreciation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $41 0.80%
^
Annualized.
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.80% [63]
Material Change Date Feb. 27, 2026
Net Assets $ 6,126,664,163
Holdings Count | Holding 144
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,126,664,163
Total number of portfolio holdings (excluding derivatives, if any) 144
Portfolio turnover rate (excludes in-kind redemption transactions) 44%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.1 %
Communication Services 12.1 %
Financials 11.8 %
Consumer Discretionary 9.8 %
Health Care 7.3 %
Industrials 7.3 %
Consumer Staples 5.3 %
Energy 3.9 %
Utilities 2.8 %
Materials 2.3 %
Real Estate 1.5 %
Short-Term Investments 0.7 %
Other Assets & Liabilities 2.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process. As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process.
Material Fund Change Risks Change [Text Block] As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000148295 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Capital Appreciation Fund
Class Name Class R6
Trading Symbol ITHVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Capital Appreciation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $35 0.70%
^
Annualized.
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.70% [64]
Material Change Date Feb. 27, 2026
Net Assets $ 6,126,664,163
Holdings Count | Holding 144
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,126,664,163
Total number of portfolio holdings (excluding derivatives, if any) 144
Portfolio turnover rate (excludes in-kind redemption transactions) 44%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.1 %
Communication Services 12.1 %
Financials 11.8 %
Consumer Discretionary 9.8 %
Health Care 7.3 %
Industrials 7.3 %
Consumer Staples 5.3 %
Energy 3.9 %
Utilities 2.8 %
Materials 2.3 %
Real Estate 1.5 %
Short-Term Investments 0.7 %
Other Assets & Liabilities 2.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process. As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process.
Material Fund Change Risks Change [Text Block] As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000185725 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Capital Appreciation Fund
Class Name Class F
Trading Symbol HCAFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Capital Appreciation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $35 0.70%
^
Annualized.
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.70% [65]
Material Change Date Feb. 27, 2026
Net Assets $ 6,126,664,163
Holdings Count | Holding 144
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,126,664,163
Total number of portfolio holdings (excluding derivatives, if any) 144
Portfolio turnover rate (excludes in-kind redemption transactions) 44%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.1 %
Communication Services 12.1 %
Financials 11.8 %
Consumer Discretionary 9.8 %
Health Care 7.3 %
Industrials 7.3 %
Consumer Staples 5.3 %
Energy 3.9 %
Utilities 2.8 %
Materials 2.3 %
Real Estate 1.5 %
Short-Term Investments 0.7 %
Other Assets & Liabilities 2.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process. As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process.
Material Fund Change Risks Change [Text Block] As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000010054 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Conservative Allocation Fund
Class Name Class A
Trading Symbol HCVAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $26* 0.52%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 26 [66]
Expense Ratio, Percent 0.52% [66],[67]
Net Assets $ 140,826,533
Holdings Count | Holding 17
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $140,826,533
Total number of portfolio holdings 17
Portfolio turnover rate 9%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Taxable Fixed Income Funds 62.4 %
Domestic Equity Funds 26.7 %
International/Global Equity Funds 10.6 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000010056 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Conservative Allocation Fund
Class Name Class C
Trading Symbol HCVCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $69* 1.37%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 69 [68]
Expense Ratio, Percent 1.37% [68],[69]
Net Assets $ 140,826,533
Holdings Count | Holding 17
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $140,826,533
Total number of portfolio holdings 17
Portfolio turnover rate 9%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Taxable Fixed Income Funds 62.4 %
Domestic Equity Funds 26.7 %
International/Global Equity Funds 10.6 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
C000010057 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Core Equity Fund
Class Name Class A
Trading Symbol HAIAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Core Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $36 0.70%
^
Annualized.
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.70% [70]
Material Change Date Feb. 27, 2026
Net Assets $ 11,475,120,652
Holdings Count | Holding 76
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,475,120,652
Total number of portfolio holdings (excluding derivatives, if any) 76
Portfolio turnover rate 20%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.2 %
Communication Services 12.2 %
Financials 11.1 %
Industrials 9.5 %
Consumer Discretionary 9.3 %
Health Care 8.1 %
Consumer Staples 5.7 %
Energy 3.7 %
Utilities 2.6 %
Real Estate 2.2 %
Materials 2.0 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market. As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market.
Material Fund Change Risks Change [Text Block] As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000010059 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Core Equity Fund
Class Name Class C
Trading Symbol HGICX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Core Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $75 1.47%
^
Annualized.
Expenses Paid, Amount $ 75
Expense Ratio, Percent 1.47% [71]
Material Change Date Feb. 27, 2026
Net Assets $ 11,475,120,652
Holdings Count | Holding 76
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,475,120,652
Total number of portfolio holdings (excluding derivatives, if any) 76
Portfolio turnover rate 20%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.2 %
Communication Services 12.2 %
Financials 11.1 %
Industrials 9.5 %
Consumer Discretionary 9.3 %
Health Care 8.1 %
Consumer Staples 5.7 %
Energy 3.7 %
Utilities 2.6 %
Real Estate 2.2 %
Materials 2.0 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market. As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market.
Material Fund Change Risks Change [Text Block] As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000155859 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Core Equity Fund
Class Name Class I
Trading Symbol HGIIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Core Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $23 0.45%
^
Annualized.
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45% [72]
Material Change Date Feb. 27, 2026
Net Assets $ 11,475,120,652
Holdings Count | Holding 76
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,475,120,652
Total number of portfolio holdings (excluding derivatives, if any) 76
Portfolio turnover rate 20%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.2 %
Communication Services 12.2 %
Financials 11.1 %
Industrials 9.5 %
Consumer Discretionary 9.3 %
Health Care 8.1 %
Consumer Staples 5.7 %
Energy 3.7 %
Utilities 2.6 %
Real Estate 2.2 %
Materials 2.0 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market. As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market.
Material Fund Change Risks Change [Text Block] As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000040999 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Core Equity Fund
Class Name Class R3
Trading Symbol HGIRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Core Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $55 1.08%
^
Annualized.
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.08% [73]
Material Change Date Feb. 27, 2026
Net Assets $ 11,475,120,652
Holdings Count | Holding 76
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,475,120,652
Total number of portfolio holdings (excluding derivatives, if any) 76
Portfolio turnover rate 20%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.2 %
Communication Services 12.2 %
Financials 11.1 %
Industrials 9.5 %
Consumer Discretionary 9.3 %
Health Care 8.1 %
Consumer Staples 5.7 %
Energy 3.7 %
Utilities 2.6 %
Real Estate 2.2 %
Materials 2.0 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market. As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market.
Material Fund Change Risks Change [Text Block] As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000041000 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Core Equity Fund
Class Name Class R4
Trading Symbol HGISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Core Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $38 0.75%
^
Annualized.
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.75% [74]
Material Change Date Feb. 27, 2026
Net Assets $ 11,475,120,652
Holdings Count | Holding 76
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,475,120,652
Total number of portfolio holdings (excluding derivatives, if any) 76
Portfolio turnover rate 20%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.2 %
Communication Services 12.2 %
Financials 11.1 %
Industrials 9.5 %
Consumer Discretionary 9.3 %
Health Care 8.1 %
Consumer Staples 5.7 %
Energy 3.7 %
Utilities 2.6 %
Real Estate 2.2 %
Materials 2.0 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market. As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market.
Material Fund Change Risks Change [Text Block] As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000041001 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Core Equity Fund
Class Name Class R5
Trading Symbol HGITX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Core Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $24 0.48%
^
Annualized.
Expenses Paid, Amount $ 24
Expense Ratio, Percent 0.48% [75]
Material Change Date Feb. 27, 2026
Net Assets $ 11,475,120,652
Holdings Count | Holding 76
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,475,120,652
Total number of portfolio holdings (excluding derivatives, if any) 76
Portfolio turnover rate 20%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.2 %
Communication Services 12.2 %
Financials 11.1 %
Industrials 9.5 %
Consumer Discretionary 9.3 %
Health Care 8.1 %
Consumer Staples 5.7 %
Energy 3.7 %
Utilities 2.6 %
Real Estate 2.2 %
Materials 2.0 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market. As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market.
Material Fund Change Risks Change [Text Block] As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000155860 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Core Equity Fund
Class Name Class R6
Trading Symbol HAITX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Core Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $18 0.36%
^
Annualized.
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.36% [76]
Material Change Date Feb. 27, 2026
Net Assets $ 11,475,120,652
Holdings Count | Holding 76
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,475,120,652
Total number of portfolio holdings (excluding derivatives, if any) 76
Portfolio turnover rate 20%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.2 %
Communication Services 12.2 %
Financials 11.1 %
Industrials 9.5 %
Consumer Discretionary 9.3 %
Health Care 8.1 %
Consumer Staples 5.7 %
Energy 3.7 %
Utilities 2.6 %
Real Estate 2.2 %
Materials 2.0 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market. As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market.
Material Fund Change Risks Change [Text Block] As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000010060 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Core Equity Fund
Class Name Class Y
Trading Symbol HGIYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Core Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $23 0.46%
^
Annualized.
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.46% [77]
Material Change Date Feb. 27, 2026
Net Assets $ 11,475,120,652
Holdings Count | Holding 76
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,475,120,652
Total number of portfolio holdings (excluding derivatives, if any) 76
Portfolio turnover rate 20%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.2 %
Communication Services 12.2 %
Financials 11.1 %
Industrials 9.5 %
Consumer Discretionary 9.3 %
Health Care 8.1 %
Consumer Staples 5.7 %
Energy 3.7 %
Utilities 2.6 %
Real Estate 2.2 %
Materials 2.0 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market. As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market.
Material Fund Change Risks Change [Text Block] As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000179839 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Core Equity Fund
Class Name Class F
Trading Symbol HGIFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Core Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $18 0.36%
^
Annualized.
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.36% [78]
Material Change Date Feb. 27, 2026
Net Assets $ 11,475,120,652
Holdings Count | Holding 76
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $11,475,120,652
Total number of portfolio holdings (excluding derivatives, if any) 76
Portfolio turnover rate 20%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.2 %
Communication Services 12.2 %
Financials 11.1 %
Industrials 9.5 %
Consumer Discretionary 9.3 %
Health Care 8.1 %
Consumer Staples 5.7 %
Energy 3.7 %
Utilities 2.6 %
Real Estate 2.2 %
Materials 2.0 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market. As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that, based on market or economic conditions, the Fund may, through its stock selection process, focus in one or more sectors of the market.
Material Fund Change Risks Change [Text Block] As of the same date, “Sector Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000010061 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Dividend and Growth Fund
Class Name Class A
Trading Symbol IHGIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Dividend and Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $49 0.95%
^
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.95% [79]
Net Assets $ 18,281,385,735
Holdings Count | Holding 74
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $18,281,385,735
Total number of portfolio holdings (excluding derivatives, if any) 74
Portfolio turnover rate 29%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 19.6 %
Financials 16.9 %
Industrials 12.5 %
Health Care 12.4 %
Communication Services 8.4 %
Consumer Discretionary 6.9 %
Energy 6.4 %
Consumer Staples 6.1 %
Utilities 4.6 %
Real Estate 3.1 %
Materials 2.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 0.0 %†
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
​†
Percentage rounds to zero.
C000010063 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Dividend and Growth Fund
Class Name Class C
Trading Symbol HDGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Dividend and Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $90 1.74%
^
Annualized.
Expenses Paid, Amount $ 90
Expense Ratio, Percent 1.74% [80]
Net Assets $ 18,281,385,735
Holdings Count | Holding 74
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $18,281,385,735
Total number of portfolio holdings (excluding derivatives, if any) 74
Portfolio turnover rate 29%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 19.6 %
Financials 16.9 %
Industrials 12.5 %
Health Care 12.4 %
Communication Services 8.4 %
Consumer Discretionary 6.9 %
Energy 6.4 %
Consumer Staples 6.1 %
Utilities 4.6 %
Real Estate 3.1 %
Materials 2.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 0.0 %†
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
​†
Percentage rounds to zero.
C000035182 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Dividend and Growth Fund
Class Name Class I
Trading Symbol HDGIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Dividend and Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $38 0.73%
^
Annualized.
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.73% [81]
Net Assets $ 18,281,385,735
Holdings Count | Holding 74
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $18,281,385,735
Total number of portfolio holdings (excluding derivatives, if any) 74
Portfolio turnover rate 29%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 19.6 %
Financials 16.9 %
Industrials 12.5 %
Health Care 12.4 %
Communication Services 8.4 %
Consumer Discretionary 6.9 %
Energy 6.4 %
Consumer Staples 6.1 %
Utilities 4.6 %
Real Estate 3.1 %
Materials 2.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 0.0 %†
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
​†
Percentage rounds to zero.
C000009997 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderate Allocation Fund
Class Name Class A
Trading Symbol HBAAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderate Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $28* 0.54%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 28 [82]
Expense Ratio, Percent 0.54% [82],[83]
Net Assets $ 327,377,892
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $327,377,892
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 42.4 %
Taxable Fixed Income Funds 36.4 %
International/Global Equity Funds 21.0 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000009999 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderate Allocation Fund
Class Name Class C
Trading Symbol HBACX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderate Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $70* 1.37%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 70 [84]
Expense Ratio, Percent 1.37% [84],[85]
Net Assets $ 327,377,892
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $327,377,892
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 42.4 %
Taxable Fixed Income Funds 36.4 %
International/Global Equity Funds 21.0 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000035176 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderate Allocation Fund
Class Name Class I
Trading Symbol HBAIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderate Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $15* 0.29%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 15 [86]
Expense Ratio, Percent 0.29% [86],[87]
Net Assets $ 327,377,892
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $327,377,892
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 42.4 %
Taxable Fixed Income Funds 36.4 %
International/Global Equity Funds 21.0 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000040966 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderate Allocation Fund
Class Name Class R3
Trading Symbol HBARX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderate Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $45* 0.89%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 45 [88]
Expense Ratio, Percent 0.89% [88],[89]
Net Assets $ 327,377,892
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $327,377,892
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 42.4 %
Taxable Fixed Income Funds 36.4 %
International/Global Equity Funds 21.0 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000040967 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderate Allocation Fund
Class Name Class R4
Trading Symbol HBASX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderate Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $30* 0.58%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 30 [90]
Expense Ratio, Percent 0.58% [90],[91]
Net Assets $ 327,377,892
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $327,377,892
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 42.4 %
Taxable Fixed Income Funds 36.4 %
International/Global Equity Funds 21.0 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000040968 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderate Allocation Fund
Class Name Class R5
Trading Symbol HBATX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderate Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $14* 0.27%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 14 [92]
Expense Ratio, Percent 0.27% [92],[93]
Net Assets $ 327,377,892
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $327,377,892
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 42.4 %
Taxable Fixed Income Funds 36.4 %
International/Global Equity Funds 21.0 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000185719 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderate Allocation Fund
Class Name Class F
Trading Symbol HBADX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderate Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $9* 0.18%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 9 [94]
Expense Ratio, Percent 0.18% [94],[95]
Net Assets $ 327,377,892
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $327,377,892
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 42.4 %
Taxable Fixed Income Funds 36.4 %
International/Global Equity Funds 21.0 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000010012 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Company Fund
Class Name Class A
Trading Symbol IHSAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Company Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $66 1.28%
^
Annualized.
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.28% [96]
Net Assets $ 664,345,108
Holdings Count | Holding 119
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $664,345,108
Total number of portfolio holdings (excluding derivatives, if any) 119
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Health Care 27.5 %
Industrials 26.7 %
Information Technology 17.8 %
Financials 8.0 %
Consumer Discretionary 7.1 %
Real Estate 3.8 %
Energy 3.3 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.0 %
Short-Term Investments 0.8 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000010014 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Company Fund
Class Name Class C
Trading Symbol HSMCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Company Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $110 2.13%
^
Annualized.
Expenses Paid, Amount $ 110
Expense Ratio, Percent 2.13% [97]
Net Assets $ 664,345,108
Holdings Count | Holding 119
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $664,345,108
Total number of portfolio holdings (excluding derivatives, if any) 119
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Health Care 27.5 %
Industrials 26.7 %
Information Technology 17.8 %
Financials 8.0 %
Consumer Discretionary 7.1 %
Real Estate 3.8 %
Energy 3.3 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.0 %
Short-Term Investments 0.8 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000035177 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Company Fund
Class Name Class I
Trading Symbol IHSIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Company Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $52 1.01%
^
Annualized.
Expenses Paid, Amount $ 52
Expense Ratio, Percent 1.01% [98]
Net Assets $ 664,345,108
Holdings Count | Holding 119
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $664,345,108
Total number of portfolio holdings (excluding derivatives, if any) 119
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Health Care 27.5 %
Industrials 26.7 %
Information Technology 17.8 %
Financials 8.0 %
Consumer Discretionary 7.1 %
Real Estate 3.8 %
Energy 3.3 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.0 %
Short-Term Investments 0.8 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040969 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Company Fund
Class Name Class R3
Trading Symbol IHSRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Company Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $83 1.60%
^
Annualized.
Expenses Paid, Amount $ 83
Expense Ratio, Percent 1.60% [99]
Net Assets $ 664,345,108
Holdings Count | Holding 119
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $664,345,108
Total number of portfolio holdings (excluding derivatives, if any) 119
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Health Care 27.5 %
Industrials 26.7 %
Information Technology 17.8 %
Financials 8.0 %
Consumer Discretionary 7.1 %
Real Estate 3.8 %
Energy 3.3 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.0 %
Short-Term Investments 0.8 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040970 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Company Fund
Class Name Class R4
Trading Symbol IHSSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Company Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $67 1.29%
^
Annualized.
Expenses Paid, Amount $ 67
Expense Ratio, Percent 1.29% [100]
Net Assets $ 664,345,108
Holdings Count | Holding 119
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $664,345,108
Total number of portfolio holdings (excluding derivatives, if any) 119
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Health Care 27.5 %
Industrials 26.7 %
Information Technology 17.8 %
Financials 8.0 %
Consumer Discretionary 7.1 %
Real Estate 3.8 %
Energy 3.3 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.0 %
Short-Term Investments 0.8 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040971 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Company Fund
Class Name Class R5
Trading Symbol IHSUX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Company Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $52 1.00%
^
Annualized.
Expenses Paid, Amount $ 52
Expense Ratio, Percent 1.00% [101]
Net Assets $ 664,345,108
Holdings Count | Holding 119
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $664,345,108
Total number of portfolio holdings (excluding derivatives, if any) 119
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Health Care 27.5 %
Industrials 26.7 %
Information Technology 17.8 %
Financials 8.0 %
Consumer Discretionary 7.1 %
Real Estate 3.8 %
Energy 3.3 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.0 %
Short-Term Investments 0.8 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000148294 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Company Fund
Class Name Class R6
Trading Symbol IHSVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Company Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $46 0.88%
^
Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.88% [102]
Net Assets $ 664,345,108
Holdings Count | Holding 119
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $664,345,108
Total number of portfolio holdings (excluding derivatives, if any) 119
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Health Care 27.5 %
Industrials 26.7 %
Information Technology 17.8 %
Financials 8.0 %
Consumer Discretionary 7.1 %
Real Estate 3.8 %
Energy 3.3 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.0 %
Short-Term Investments 0.8 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000010040 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Capital Appreciation Fund
Class Name Class C
Trading Symbol HCACX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Capital Appreciation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $95 1.87%
^
Annualized.
Expenses Paid, Amount $ 95
Expense Ratio, Percent 1.87% [103]
Material Change Date Feb. 27, 2026
Net Assets $ 6,126,664,163
Holdings Count | Holding 144
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,126,664,163
Total number of portfolio holdings (excluding derivatives, if any) 144
Portfolio turnover rate (excludes in-kind redemption transactions) 44%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.1 %
Communication Services 12.1 %
Financials 11.8 %
Consumer Discretionary 9.8 %
Health Care 7.3 %
Industrials 7.3 %
Consumer Staples 5.3 %
Energy 3.9 %
Utilities 2.8 %
Materials 2.3 %
Real Estate 1.5 %
Short-Term Investments 0.7 %
Other Assets & Liabilities 2.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process. As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process.
Material Fund Change Risks Change [Text Block] As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Summary of Change Legend [Text Block] This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000010038 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Capital Appreciation Fund
Class Name Class A
Trading Symbol ITHAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Capital Appreciation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $53 1.04%
^
Annualized.
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.04% [104]
Material Change Date Feb. 27, 2026
Net Assets $ 6,126,664,163
Holdings Count | Holding 144
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,126,664,163
Total number of portfolio holdings (excluding derivatives, if any) 144
Portfolio turnover rate (excludes in-kind redemption transactions) 44%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.1 %
Communication Services 12.1 %
Financials 11.8 %
Consumer Discretionary 9.8 %
Health Care 7.3 %
Industrials 7.3 %
Consumer Staples 5.3 %
Energy 3.9 %
Utilities 2.8 %
Materials 2.3 %
Real Estate 1.5 %
Short-Term Investments 0.7 %
Other Assets & Liabilities 2.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process. As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process.
Material Fund Change Risks Change [Text Block] As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Summary of Change Legend [Text Block] This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000035178 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Capital Appreciation Fund
Class Name Class I
Trading Symbol ITHIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Capital Appreciation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $41 0.80%
^
Annualized.
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.80% [105]
Material Change Date Feb. 27, 2026
Net Assets $ 6,126,664,163
Holdings Count | Holding 144
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,126,664,163
Total number of portfolio holdings (excluding derivatives, if any) 144
Portfolio turnover rate (excludes in-kind redemption transactions) 44%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 33.1 %
Communication Services 12.1 %
Financials 11.8 %
Consumer Discretionary 9.8 %
Health Care 7.3 %
Industrials 7.3 %
Consumer Staples 5.3 %
Energy 3.9 %
Utilities 2.8 %
Materials 2.3 %
Real Estate 1.5 %
Short-Term Investments 0.7 %
Other Assets & Liabilities 2.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process. As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund no longer uses a multi-sleeve structure to construct the portfolio and to include information related to the portfolio managers’ modified portfolio construction process.
Material Fund Change Risks Change [Text Block] As of the same date, “Asset Allocation Risk” was removed as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000185723 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Company Fund
Class Name Class F
Trading Symbol IHSFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Company Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $46 0.88%
^
Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.88% [106]
Net Assets $ 664,345,108
Holdings Count | Holding 119
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $664,345,108
Total number of portfolio holdings (excluding derivatives, if any) 119
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Health Care 27.5 %
Industrials 26.7 %
Information Technology 17.8 %
Financials 8.0 %
Consumer Discretionary 7.1 %
Real Estate 3.8 %
Energy 3.3 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.0 %
Short-Term Investments 0.8 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000010015 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Company Fund
Class Name Class Y
Trading Symbol HSCYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Company Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $51 0.98%
^
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.98% [107]
Net Assets $ 664,345,108
Holdings Count | Holding 119
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $664,345,108
Total number of portfolio holdings (excluding derivatives, if any) 119
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Health Care 27.5 %
Industrials 26.7 %
Information Technology 17.8 %
Financials 8.0 %
Consumer Discretionary 7.1 %
Real Estate 3.8 %
Energy 3.3 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.0 %
Short-Term Investments 0.8 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185717 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Small Cap Value Fund
Class Name Class F
Trading Symbol HSMFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Small Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $43* 0.80%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 43 [108]
Expense Ratio, Percent 0.80% [108],[109]
Net Assets $ 265,855,861
Holdings Count | Holding 63
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $265,855,861
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 32.9 %
Consumer Discretionary 19.0 %
Industrials 10.1 %
Information Technology 8.8 %
Utilities 6.3 %
Real Estate 5.7 %
Materials 5.6 %
Health Care 4.8 %
Energy 4.1 %
Consumer Staples 1.4 %
Communication Services 0.8 %
Short-Term Investments 4.8 %
Other Assets & Liabilities (4.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009996 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Small Cap Value Fund
Class Name Class Y
Trading Symbol HSMYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Small Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $46* 0.85%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 46 [110]
Expense Ratio, Percent 0.85% [110],[111]
Net Assets $ 265,855,861
Holdings Count | Holding 63
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $265,855,861
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 32.9 %
Consumer Discretionary 19.0 %
Industrials 10.1 %
Information Technology 8.8 %
Utilities 6.3 %
Real Estate 5.7 %
Materials 5.6 %
Health Care 4.8 %
Energy 4.1 %
Consumer Staples 1.4 %
Communication Services 0.8 %
Short-Term Investments 4.8 %
Other Assets & Liabilities (4.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000200565 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Small Cap Value Fund
Class Name Class R6
Trading Symbol HSMVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Small Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $43* 0.80%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 43 [112]
Expense Ratio, Percent 0.80% [112],[113]
Net Assets $ 265,855,861
Holdings Count | Holding 63
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $265,855,861
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 32.9 %
Consumer Discretionary 19.0 %
Industrials 10.1 %
Information Technology 8.8 %
Utilities 6.3 %
Real Estate 5.7 %
Materials 5.6 %
Health Care 4.8 %
Energy 4.1 %
Consumer Staples 1.4 %
Communication Services 0.8 %
Short-Term Investments 4.8 %
Other Assets & Liabilities (4.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000105489 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Small Cap Value Fund
Class Name Class R5
Trading Symbol HSMTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Small Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $48* 0.89%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 48 [114]
Expense Ratio, Percent 0.89% [114],[115]
Net Assets $ 265,855,861
Holdings Count | Holding 63
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $265,855,861
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 32.9 %
Consumer Discretionary 19.0 %
Industrials 10.1 %
Information Technology 8.8 %
Utilities 6.3 %
Real Estate 5.7 %
Materials 5.6 %
Health Care 4.8 %
Energy 4.1 %
Consumer Staples 1.4 %
Communication Services 0.8 %
Short-Term Investments 4.8 %
Other Assets & Liabilities (4.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009984 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Value Fund
Class Name Class Y
Trading Symbol HMVYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $45 0.85%
^
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.85% [116]
Net Assets $ 1,183,426,373
Holdings Count | Holding 80
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,183,426,373
Total number of portfolio holdings (excluding derivatives, if any) 80
Portfolio turnover rate 85%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.4 %
Financials 16.0 %
Consumer Discretionary 9.6 %
Information Technology 9.6 %
Real Estate 7.3 %
Health Care 7.2 %
Materials 6.5 %
Utilities 6.1 %
Energy 5.0 %
Consumer Staples 4.6 %
Communication Services 2.1 %
Short-Term Investments 1.1 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000237833 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Value Fund
Class Name Class R6
Trading Symbol HMVUX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $39 0.74%
^
Annualized.
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.74% [117]
Net Assets $ 1,183,426,373
Holdings Count | Holding 80
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,183,426,373
Total number of portfolio holdings (excluding derivatives, if any) 80
Portfolio turnover rate 85%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.4 %
Financials 16.0 %
Consumer Discretionary 9.6 %
Information Technology 9.6 %
Real Estate 7.3 %
Health Care 7.2 %
Materials 6.5 %
Utilities 6.1 %
Energy 5.0 %
Consumer Staples 4.6 %
Communication Services 2.1 %
Short-Term Investments 1.1 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185715 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Value Fund
Class Name Class F
Trading Symbol HMVFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $39 0.74%
^
Annualized.
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.74% [118]
Net Assets $ 1,183,426,373
Holdings Count | Holding 80
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,183,426,373
Total number of portfolio holdings (excluding derivatives, if any) 80
Portfolio turnover rate 85%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.4 %
Financials 16.0 %
Consumer Discretionary 9.6 %
Information Technology 9.6 %
Real Estate 7.3 %
Health Care 7.2 %
Materials 6.5 %
Utilities 6.1 %
Energy 5.0 %
Consumer Staples 4.6 %
Communication Services 2.1 %
Short-Term Investments 1.1 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009993 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Small Cap Value Fund
Class Name Class A
Trading Symbol HSMAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Small Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $67* 1.24%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 67 [119]
Expense Ratio, Percent 1.24% [119],[120]
Net Assets $ 265,855,861
Holdings Count | Holding 63
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $265,855,861
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 32.9 %
Consumer Discretionary 19.0 %
Industrials 10.1 %
Information Technology 8.8 %
Utilities 6.3 %
Real Estate 5.7 %
Materials 5.6 %
Health Care 4.8 %
Energy 4.1 %
Consumer Staples 1.4 %
Communication Services 0.8 %
Short-Term Investments 4.8 %
Other Assets & Liabilities (4.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009995 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Small Cap Value Fund
Class Name Class C
Trading Symbol HTSCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Small Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $111* 2.05%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 111 [121]
Expense Ratio, Percent 2.05% [121],[122]
Net Assets $ 265,855,861
Holdings Count | Holding 63
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $265,855,861
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 32.9 %
Consumer Discretionary 19.0 %
Industrials 10.1 %
Information Technology 8.8 %
Utilities 6.3 %
Real Estate 5.7 %
Materials 5.6 %
Health Care 4.8 %
Energy 4.1 %
Consumer Staples 1.4 %
Communication Services 0.8 %
Short-Term Investments 4.8 %
Other Assets & Liabilities (4.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000155858 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Small Cap Value Fund
Class Name Class I
Trading Symbol HSEIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Small Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $50* 0.92%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 50 [123]
Expense Ratio, Percent 0.92% [123],[124]
Net Assets $ 265,855,861
Holdings Count | Holding 63
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $265,855,861
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 32.9 %
Consumer Discretionary 19.0 %
Industrials 10.1 %
Information Technology 8.8 %
Utilities 6.3 %
Real Estate 5.7 %
Materials 5.6 %
Health Care 4.8 %
Energy 4.1 %
Consumer Staples 1.4 %
Communication Services 0.8 %
Short-Term Investments 4.8 %
Other Assets & Liabilities (4.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000105487 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Small Cap Value Fund
Class Name Class R3
Trading Symbol HSMRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Small Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $81* 1.50%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 81 [125]
Expense Ratio, Percent 1.50% [125],[126]
Net Assets $ 265,855,861
Holdings Count | Holding 63
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $265,855,861
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 32.9 %
Consumer Discretionary 19.0 %
Industrials 10.1 %
Information Technology 8.8 %
Utilities 6.3 %
Real Estate 5.7 %
Materials 5.6 %
Health Care 4.8 %
Energy 4.1 %
Consumer Staples 1.4 %
Communication Services 0.8 %
Short-Term Investments 4.8 %
Other Assets & Liabilities (4.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000105488 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Small Cap Value Fund
Class Name Class R4
Trading Symbol HSMSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Small Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $65* 1.20%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 65 [127]
Expense Ratio, Percent 1.20% [127],[128]
Net Assets $ 265,855,861
Holdings Count | Holding 63
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $265,855,861
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 33%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 32.9 %
Consumer Discretionary 19.0 %
Industrials 10.1 %
Information Technology 8.8 %
Utilities 6.3 %
Real Estate 5.7 %
Materials 5.6 %
Health Care 4.8 %
Energy 4.1 %
Consumer Staples 1.4 %
Communication Services 0.8 %
Short-Term Investments 4.8 %
Other Assets & Liabilities (4.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009981 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Value Fund
Class Name Class A
Trading Symbol HMVAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $59 1.12%
^
Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.12% [129]
Net Assets $ 1,183,426,373
Holdings Count | Holding 80
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,183,426,373
Total number of portfolio holdings (excluding derivatives, if any) 80
Portfolio turnover rate 85%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.4 %
Financials 16.0 %
Consumer Discretionary 9.6 %
Information Technology 9.6 %
Real Estate 7.3 %
Health Care 7.2 %
Materials 6.5 %
Utilities 6.1 %
Energy 5.0 %
Consumer Staples 4.6 %
Communication Services 2.1 %
Short-Term Investments 1.1 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009983 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Value Fund
Class Name Class C
Trading Symbol HMVCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $105 1.99%
^
Annualized.
Expenses Paid, Amount $ 105
Expense Ratio, Percent 1.99% [130]
Net Assets $ 1,183,426,373
Holdings Count | Holding 80
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,183,426,373
Total number of portfolio holdings (excluding derivatives, if any) 80
Portfolio turnover rate 85%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.4 %
Financials 16.0 %
Consumer Discretionary 9.6 %
Information Technology 9.6 %
Real Estate 7.3 %
Health Care 7.2 %
Materials 6.5 %
Utilities 6.1 %
Energy 5.0 %
Consumer Staples 4.6 %
Communication Services 2.1 %
Short-Term Investments 1.1 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000089745 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Value Fund
Class Name Class I
Trading Symbol HMVJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $41 0.78%
^
Annualized.
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.78% [131]
Net Assets $ 1,183,426,373
Holdings Count | Holding 80
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,183,426,373
Total number of portfolio holdings (excluding derivatives, if any) 80
Portfolio turnover rate 85%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.4 %
Financials 16.0 %
Consumer Discretionary 9.6 %
Information Technology 9.6 %
Real Estate 7.3 %
Health Care 7.2 %
Materials 6.5 %
Utilities 6.1 %
Energy 5.0 %
Consumer Staples 4.6 %
Communication Services 2.1 %
Short-Term Investments 1.1 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000089746 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Value Fund
Class Name Class R3
Trading Symbol HMVRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $77 1.46%
^
Annualized.
Expenses Paid, Amount $ 77
Expense Ratio, Percent 1.46% [132]
Net Assets $ 1,183,426,373
Holdings Count | Holding 80
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,183,426,373
Total number of portfolio holdings (excluding derivatives, if any) 80
Portfolio turnover rate 85%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.4 %
Financials 16.0 %
Consumer Discretionary 9.6 %
Information Technology 9.6 %
Real Estate 7.3 %
Health Care 7.2 %
Materials 6.5 %
Utilities 6.1 %
Energy 5.0 %
Consumer Staples 4.6 %
Communication Services 2.1 %
Short-Term Investments 1.1 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000089743 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Value Fund
Class Name Class R4
Trading Symbol HMVSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $61 1.16%
^
Annualized.
Expenses Paid, Amount $ 61
Expense Ratio, Percent 1.16% [133]
Net Assets $ 1,183,426,373
Holdings Count | Holding 80
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,183,426,373
Total number of portfolio holdings (excluding derivatives, if any) 80
Portfolio turnover rate 85%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.4 %
Financials 16.0 %
Consumer Discretionary 9.6 %
Information Technology 9.6 %
Real Estate 7.3 %
Health Care 7.2 %
Materials 6.5 %
Utilities 6.1 %
Energy 5.0 %
Consumer Staples 4.6 %
Communication Services 2.1 %
Short-Term Investments 1.1 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000089744 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Value Fund
Class Name Class R5
Trading Symbol HMVTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $45 0.86%
^
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.86% [134]
Net Assets $ 1,183,426,373
Holdings Count | Holding 80
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,183,426,373
Total number of portfolio holdings (excluding derivatives, if any) 80
Portfolio turnover rate 85%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.4 %
Financials 16.0 %
Consumer Discretionary 9.6 %
Information Technology 9.6 %
Real Estate 7.3 %
Health Care 7.2 %
Materials 6.5 %
Utilities 6.1 %
Energy 5.0 %
Consumer Staples 4.6 %
Communication Services 2.1 %
Short-Term Investments 1.1 %
Other Assets & Liabilities (0.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185713 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Fund
Class Name Class F
Trading Symbol HMDFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $38 0.77%
^
Annualized.
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.77% [135]
Net Assets $ 3,535,001,945
Holdings Count | Holding 63
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,535,001,945
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 31.7 %
Information Technology 22.4 %
Consumer Discretionary 15.5 %
Communication Services 8.5 %
Health Care 7.7 %
Financials 7.4 %
Consumer Staples 2.9 %
Energy 2.2 %
Real Estate 0.8 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009980 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Fund
Class Name Class Y
Trading Symbol HMDYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $44 0.88%
^
Annualized.
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.88% [136]
Net Assets $ 3,535,001,945
Holdings Count | Holding 63
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,535,001,945
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 31.7 %
Information Technology 22.4 %
Consumer Discretionary 15.5 %
Communication Services 8.5 %
Health Care 7.7 %
Financials 7.4 %
Consumer Staples 2.9 %
Energy 2.2 %
Real Estate 0.8 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000148293 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Fund
Class Name Class R6
Trading Symbol HFMVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $38 0.77%
^
Annualized.
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.77% [137]
Net Assets $ 3,535,001,945
Holdings Count | Holding 63
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,535,001,945
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 31.7 %
Information Technology 22.4 %
Consumer Discretionary 15.5 %
Communication Services 8.5 %
Health Care 7.7 %
Financials 7.4 %
Consumer Staples 2.9 %
Energy 2.2 %
Real Estate 0.8 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000077365 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Fund
Class Name Class R5
Trading Symbol HFMTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $44 0.89%
^
Annualized.
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.89% [138]
Net Assets $ 3,535,001,945
Holdings Count | Holding 63
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,535,001,945
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 31.7 %
Information Technology 22.4 %
Consumer Discretionary 15.5 %
Communication Services 8.5 %
Health Care 7.7 %
Financials 7.4 %
Consumer Staples 2.9 %
Energy 2.2 %
Real Estate 0.8 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009944 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderately Aggressive Allocation Fund(formerly, The Hartford Growth Allocation Fund)
Class Name Class A
Trading Symbol HRAAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderately Aggressive Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $27* 0.53%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 27 [139]
Expense Ratio, Percent 0.53% [139],[140]
Net Assets $ 584,225,718
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $584,225,718
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 58.0 %
International/Global Equity Funds 26.1 %
Taxable Fixed Income Funds 15.7 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000009946 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderately Aggressive Allocation Fund(formerly, The Hartford Growth Allocation Fund)
Class Name Class C
Trading Symbol HRACX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderately Aggressive Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $71* 1.38%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 71 [141]
Expense Ratio, Percent 1.38% [141],[142]
Net Assets $ 584,225,718
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $584,225,718
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 58.0 %
International/Global Equity Funds 26.1 %
Taxable Fixed Income Funds 15.7 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000035171 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderately Aggressive Allocation Fund(formerly, The Hartford Growth Allocation Fund)
Class Name Class I
Trading Symbol HRAIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderately Aggressive Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $14* 0.27%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 14 [143]
Expense Ratio, Percent 0.27% [143],[144]
Net Assets $ 584,225,718
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $584,225,718
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 58.0 %
International/Global Equity Funds 26.1 %
Taxable Fixed Income Funds 15.7 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000040939 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderately Aggressive Allocation Fund(formerly, The Hartford Growth Allocation Fund)
Class Name Class R3
Trading Symbol HRARX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderately Aggressive Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $45* 0.88%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 45 [145]
Expense Ratio, Percent 0.88% [145],[146]
Net Assets $ 584,225,718
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $584,225,718
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 58.0 %
International/Global Equity Funds 26.1 %
Taxable Fixed Income Funds 15.7 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000040940 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderately Aggressive Allocation Fund(formerly, The Hartford Growth Allocation Fund)
Class Name Class R4
Trading Symbol HRASX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderately Aggressive Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $29* 0.57%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 29 [147]
Expense Ratio, Percent 0.57% [147],[148]
Net Assets $ 584,225,718
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $584,225,718
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 58.0 %
International/Global Equity Funds 26.1 %
Taxable Fixed Income Funds 15.7 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000040941 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderately Aggressive Allocation Fund(formerly, The Hartford Growth Allocation Fund)
Class Name Class R5
Trading Symbol HRATX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderately Aggressive Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $13* 0.26%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 13 [149]
Expense Ratio, Percent 0.26% [149],[150]
Net Assets $ 584,225,718
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $584,225,718
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 58.0 %
International/Global Equity Funds 26.1 %
Taxable Fixed Income Funds 15.7 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000185699 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Moderately Aggressive Allocation Fund(formerly, The Hartford Growth Allocation Fund)
Class Name Class F
Trading Symbol HRAFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Moderately Aggressive Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $8* 0.16%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 8 [151]
Expense Ratio, Percent 0.16% [151],[152]
Net Assets $ 584,225,718
Holdings Count | Holding 16
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $584,225,718
Total number of portfolio holdings 16
Portfolio turnover rate 10%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Asset Allocation
Domestic Equity Funds 58.0 %
International/Global Equity Funds 26.1 %
Taxable Fixed Income Funds 15.7 %
Other Assets & Liabilities 0.2 %
Total 100.0 %
C000009977 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Fund
Class Name Class A
Trading Symbol HFMCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $57 1.15%
^
Annualized.
Expenses Paid, Amount $ 57
Expense Ratio, Percent 1.15% [153]
Net Assets $ 3,535,001,945
Holdings Count | Holding 63
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,535,001,945
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 31.7 %
Information Technology 22.4 %
Consumer Discretionary 15.5 %
Communication Services 8.5 %
Health Care 7.7 %
Financials 7.4 %
Consumer Staples 2.9 %
Energy 2.2 %
Real Estate 0.8 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009979 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Fund
Class Name Class C
Trading Symbol HMDCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $98 1.97%
^
Annualized.
Expenses Paid, Amount $ 98
Expense Ratio, Percent 1.97% [154]
Net Assets $ 3,535,001,945
Holdings Count | Holding 63
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,535,001,945
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 31.7 %
Information Technology 22.4 %
Consumer Discretionary 15.5 %
Communication Services 8.5 %
Health Care 7.7 %
Financials 7.4 %
Consumer Staples 2.9 %
Energy 2.2 %
Real Estate 0.8 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000074606 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Fund
Class Name Class I
Trading Symbol HFMIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $45 0.90%
^
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.90% [155]
Net Assets $ 3,535,001,945
Holdings Count | Holding 63
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,535,001,945
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 31.7 %
Information Technology 22.4 %
Consumer Discretionary 15.5 %
Communication Services 8.5 %
Health Care 7.7 %
Financials 7.4 %
Consumer Staples 2.9 %
Energy 2.2 %
Real Estate 0.8 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000077363 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Fund
Class Name Class R3
Trading Symbol HFMRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $74 1.49%
^
Annualized.
Expenses Paid, Amount $ 74
Expense Ratio, Percent 1.49% [156]
Net Assets $ 3,535,001,945
Holdings Count | Holding 63
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,535,001,945
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 31.7 %
Information Technology 22.4 %
Consumer Discretionary 15.5 %
Communication Services 8.5 %
Health Care 7.7 %
Financials 7.4 %
Consumer Staples 2.9 %
Energy 2.2 %
Real Estate 0.8 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000077364 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford MidCap Fund
Class Name Class R4
Trading Symbol HFMSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford MidCap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $59 1.19%
^
Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.19% [157]
Net Assets $ 3,535,001,945
Holdings Count | Holding 63
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,535,001,945
Total number of portfolio holdings (excluding derivatives, if any) 63
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 31.7 %
Information Technology 22.4 %
Consumer Discretionary 15.5 %
Communication Services 8.5 %
Health Care 7.7 %
Financials 7.4 %
Consumer Staples 2.9 %
Energy 2.2 %
Real Estate 0.8 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185697 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Healthcare Fund
Class Name Class F
Trading Symbol HGHFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Healthcare Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $48 0.94%
^
Annualized.
Expenses Paid, Amount $ 48
Expense Ratio, Percent 0.94% [158]
Net Assets $ 728,721,557
Holdings Count | Holding 86
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $728,721,557
Total number of portfolio holdings (excluding derivatives, if any) 86
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by subsector *
Pharmaceuticals 30.8 %
Biotechnology 25.1 %
Health Care Providers & Services 17.6 %
Health Care Equipment & Services & Supplies 15.9 %
Life Sciences Tools & Services 8.3 %
Health Care Technology 0.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 1.2 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009935 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Healthcare Fund
Class Name Class Y
Trading Symbol HGHYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Healthcare Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $53 1.05%
^
Annualized.
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.05% [159]
Net Assets $ 728,721,557
Holdings Count | Holding 86
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $728,721,557
Total number of portfolio holdings (excluding derivatives, if any) 86
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by subsector *
Pharmaceuticals 30.8 %
Biotechnology 25.1 %
Health Care Providers & Services 17.6 %
Health Care Equipment & Services & Supplies 15.9 %
Life Sciences Tools & Services 8.3 %
Health Care Technology 0.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 1.2 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040933 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Healthcare Fund
Class Name Class R3
Trading Symbol HGHRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Healthcare Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $83 1.64%
^
Annualized.
Expenses Paid, Amount $ 83
Expense Ratio, Percent 1.64% [160]
Net Assets $ 728,721,557
Holdings Count | Holding 86
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $728,721,557
Total number of portfolio holdings (excluding derivatives, if any) 86
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by subsector *
Pharmaceuticals 30.8 %
Biotechnology 25.1 %
Health Care Providers & Services 17.6 %
Health Care Equipment & Services & Supplies 15.9 %
Life Sciences Tools & Services 8.3 %
Health Care Technology 0.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 1.2 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040934 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Healthcare Fund
Class Name Class R4
Trading Symbol HGHSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Healthcare Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $67 1.33%
^
Annualized.
Expenses Paid, Amount $ 67
Expense Ratio, Percent 1.33% [161]
Net Assets $ 728,721,557
Holdings Count | Holding 86
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $728,721,557
Total number of portfolio holdings (excluding derivatives, if any) 86
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by subsector *
Pharmaceuticals 30.8 %
Biotechnology 25.1 %
Health Care Providers & Services 17.6 %
Health Care Equipment & Services & Supplies 15.9 %
Life Sciences Tools & Services 8.3 %
Health Care Technology 0.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 1.2 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040935 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Healthcare Fund
Class Name Class R5
Trading Symbol HGHTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Healthcare Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $54 1.06%
^
Annualized.
Expenses Paid, Amount $ 54
Expense Ratio, Percent 1.06% [162]
Net Assets $ 728,721,557
Holdings Count | Holding 86
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $728,721,557
Total number of portfolio holdings (excluding derivatives, if any) 86
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by subsector *
Pharmaceuticals 30.8 %
Biotechnology 25.1 %
Health Care Providers & Services 17.6 %
Health Care Equipment & Services & Supplies 15.9 %
Life Sciences Tools & Services 8.3 %
Health Care Technology 0.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 1.2 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000211746 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Healthcare Fund
Class Name Class R6
Trading Symbol HGHVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Healthcare Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $48 0.94%
^
Annualized.
Expenses Paid, Amount $ 48
Expense Ratio, Percent 0.94% [163]
Net Assets $ 728,721,557
Holdings Count | Holding 86
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $728,721,557
Total number of portfolio holdings (excluding derivatives, if any) 86
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by subsector *
Pharmaceuticals 30.8 %
Biotechnology 25.1 %
Health Care Providers & Services 17.6 %
Health Care Equipment & Services & Supplies 15.9 %
Life Sciences Tools & Services 8.3 %
Health Care Technology 0.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 1.2 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040928 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Multi-Asset Income Fund
Class Name Class R4
Trading Symbol ITTSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Multi-Asset Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $55 1.08%
^
Annualized.
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.08% [164]
Net Assets $ 571,179,491
Holdings Count | Holding 1,507
Investment Company Portfolio Turnover 65.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $571,179,491
Total number of portfolio holdings 1,507
Portfolio turnover rate (excludes to be announced (TBA) roll transactions) 65%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 25.1 %
Corporate Bonds 21.1 %
Asset-Backed & Commercial Mortgage-Backed Securities 12.4 %
U.S. Government Agencies^ 10.7 %
Equity Linked Securities 10.5 %
U.S. Government Securities 8.2 %
Senior Floating Rate Interests 5.8 %
Convertible Bonds 4.6 %
Foreign Government Obligations 4.2 %
Exchange-Traded Funds 1.8 %
Preferred Stocks 1.3 %
Municipal Bonds 0.0 %†
Purchased Options 0.0 %†
Short-Term Investments 2.5 %
Other Assets & Liabilities (8.2 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
C000040929 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Multi-Asset Income Fund
Class Name Class R5
Trading Symbol ITTTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Multi-Asset Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $40 0.79%
^
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79% [165]
Net Assets $ 571,179,491
Holdings Count | Holding 1,507
Investment Company Portfolio Turnover 65.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $571,179,491
Total number of portfolio holdings 1,507
Portfolio turnover rate (excludes to be announced (TBA) roll transactions) 65%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 25.1 %
Corporate Bonds 21.1 %
Asset-Backed & Commercial Mortgage-Backed Securities 12.4 %
U.S. Government Agencies^ 10.7 %
Equity Linked Securities 10.5 %
U.S. Government Securities 8.2 %
Senior Floating Rate Interests 5.8 %
Convertible Bonds 4.6 %
Foreign Government Obligations 4.2 %
Exchange-Traded Funds 1.8 %
Preferred Stocks 1.3 %
Municipal Bonds 0.0 %†
Purchased Options 0.0 %†
Short-Term Investments 2.5 %
Other Assets & Liabilities (8.2 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
C000200563 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Multi-Asset Income Fund
Class Name Class R6
Trading Symbol ITTVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Multi-Asset Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $34 0.67%
^
Annualized.
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.67% [166]
Net Assets $ 571,179,491
Holdings Count | Holding 1,507
Investment Company Portfolio Turnover 65.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $571,179,491
Total number of portfolio holdings 1,507
Portfolio turnover rate (excludes to be announced (TBA) roll transactions) 65%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 25.1 %
Corporate Bonds 21.1 %
Asset-Backed & Commercial Mortgage-Backed Securities 12.4 %
U.S. Government Agencies^ 10.7 %
Equity Linked Securities 10.5 %
U.S. Government Securities 8.2 %
Senior Floating Rate Interests 5.8 %
Convertible Bonds 4.6 %
Foreign Government Obligations 4.2 %
Exchange-Traded Funds 1.8 %
Preferred Stocks 1.3 %
Municipal Bonds 0.0 %†
Purchased Options 0.0 %†
Short-Term Investments 2.5 %
Other Assets & Liabilities (8.2 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
C000009915 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Multi-Asset Income Fund
Class Name Class Y
Trading Symbol IHAYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Multi-Asset Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $40 0.78%
^
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.78% [167]
Net Assets $ 571,179,491
Holdings Count | Holding 1,507
Investment Company Portfolio Turnover 65.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $571,179,491
Total number of portfolio holdings 1,507
Portfolio turnover rate (excludes to be announced (TBA) roll transactions) 65%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 25.1 %
Corporate Bonds 21.1 %
Asset-Backed & Commercial Mortgage-Backed Securities 12.4 %
U.S. Government Agencies^ 10.7 %
Equity Linked Securities 10.5 %
U.S. Government Securities 8.2 %
Senior Floating Rate Interests 5.8 %
Convertible Bonds 4.6 %
Foreign Government Obligations 4.2 %
Exchange-Traded Funds 1.8 %
Preferred Stocks 1.3 %
Municipal Bonds 0.0 %†
Purchased Options 0.0 %†
Short-Term Investments 2.5 %
Other Assets & Liabilities (8.2 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
C000185693 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Multi-Asset Income Fund
Class Name Class F
Trading Symbol ITTFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Multi-Asset Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $34 0.67%
^
Annualized.
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.67% [168]
Net Assets $ 571,179,491
Holdings Count | Holding 1,507
Investment Company Portfolio Turnover 65.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $571,179,491
Total number of portfolio holdings 1,507
Portfolio turnover rate (excludes to be announced (TBA) roll transactions) 65%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 25.1 %
Corporate Bonds 21.1 %
Asset-Backed & Commercial Mortgage-Backed Securities 12.4 %
U.S. Government Agencies^ 10.7 %
Equity Linked Securities 10.5 %
U.S. Government Securities 8.2 %
Senior Floating Rate Interests 5.8 %
Convertible Bonds 4.6 %
Foreign Government Obligations 4.2 %
Exchange-Traded Funds 1.8 %
Preferred Stocks 1.3 %
Municipal Bonds 0.0 %†
Purchased Options 0.0 %†
Short-Term Investments 2.5 %
Other Assets & Liabilities (8.2 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
C000009932 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Healthcare Fund
Class Name Class A
Trading Symbol HGHAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Healthcare Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $66 1.31%
^
Annualized.
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.31% [169]
Net Assets $ 728,721,557
Holdings Count | Holding 86
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $728,721,557
Total number of portfolio holdings (excluding derivatives, if any) 86
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by subsector *
Pharmaceuticals 30.8 %
Biotechnology 25.1 %
Health Care Providers & Services 17.6 %
Health Care Equipment & Services & Supplies 15.9 %
Life Sciences Tools & Services 8.3 %
Health Care Technology 0.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 1.2 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009934 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Healthcare Fund
Class Name Class C
Trading Symbol HGHCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Healthcare Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $108 2.15%
^
Annualized.
Expenses Paid, Amount $ 108
Expense Ratio, Percent 2.15% [170]
Net Assets $ 728,721,557
Holdings Count | Holding 86
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $728,721,557
Total number of portfolio holdings (excluding derivatives, if any) 86
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by subsector *
Pharmaceuticals 30.8 %
Biotechnology 25.1 %
Health Care Providers & Services 17.6 %
Health Care Equipment & Services & Supplies 15.9 %
Life Sciences Tools & Services 8.3 %
Health Care Technology 0.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 1.2 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000035170 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Healthcare Fund
Class Name Class I
Trading Symbol HGHIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Healthcare Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $53 1.05%
^
Annualized.
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.05% [171]
Net Assets $ 728,721,557
Holdings Count | Holding 86
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $728,721,557
Total number of portfolio holdings (excluding derivatives, if any) 86
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by subsector *
Pharmaceuticals 30.8 %
Biotechnology 25.1 %
Health Care Providers & Services 17.6 %
Health Care Equipment & Services & Supplies 15.9 %
Life Sciences Tools & Services 8.3 %
Health Care Technology 0.6 %
Short-Term Investments 0.5 %
Other Assets & Liabilities 1.2 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000009912 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Multi-Asset Income Fund
Class Name Class A
Trading Symbol ITTAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Multi-Asset Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $54 1.07%
^
Annualized.
Expenses Paid, Amount $ 54
Expense Ratio, Percent 1.07% [172]
Net Assets $ 571,179,491
Holdings Count | Holding 1,507
Investment Company Portfolio Turnover 65.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $571,179,491
Total number of portfolio holdings 1,507
Portfolio turnover rate (excludes to be announced (TBA) roll transactions) 65%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 25.1 %
Corporate Bonds 21.1 %
Asset-Backed & Commercial Mortgage-Backed Securities 12.4 %
U.S. Government Agencies^ 10.7 %
Equity Linked Securities 10.5 %
U.S. Government Securities 8.2 %
Senior Floating Rate Interests 5.8 %
Convertible Bonds 4.6 %
Foreign Government Obligations 4.2 %
Exchange-Traded Funds 1.8 %
Preferred Stocks 1.3 %
Municipal Bonds 0.0 %†
Purchased Options 0.0 %†
Short-Term Investments 2.5 %
Other Assets & Liabilities (8.2 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
C000009914 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Multi-Asset Income Fund
Class Name Class C
Trading Symbol HAFCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Multi-Asset Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $93 1.83%
^
Annualized.
Expenses Paid, Amount $ 93
Expense Ratio, Percent 1.83% [173]
Net Assets $ 571,179,491
Holdings Count | Holding 1,507
Investment Company Portfolio Turnover 65.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $571,179,491
Total number of portfolio holdings 1,507
Portfolio turnover rate (excludes to be announced (TBA) roll transactions) 65%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 25.1 %
Corporate Bonds 21.1 %
Asset-Backed & Commercial Mortgage-Backed Securities 12.4 %
U.S. Government Agencies^ 10.7 %
Equity Linked Securities 10.5 %
U.S. Government Securities 8.2 %
Senior Floating Rate Interests 5.8 %
Convertible Bonds 4.6 %
Foreign Government Obligations 4.2 %
Exchange-Traded Funds 1.8 %
Preferred Stocks 1.3 %
Municipal Bonds 0.0 %†
Purchased Options 0.0 %†
Short-Term Investments 2.5 %
Other Assets & Liabilities (8.2 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
C000155857 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Multi-Asset Income Fund
Class Name Class I
Trading Symbol ITTIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Multi-Asset Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $40 0.78%
^
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.78% [174]
Net Assets $ 571,179,491
Holdings Count | Holding 1,507
Investment Company Portfolio Turnover 65.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $571,179,491
Total number of portfolio holdings 1,507
Portfolio turnover rate (excludes to be announced (TBA) roll transactions) 65%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 25.1 %
Corporate Bonds 21.1 %
Asset-Backed & Commercial Mortgage-Backed Securities 12.4 %
U.S. Government Agencies^ 10.7 %
Equity Linked Securities 10.5 %
U.S. Government Securities 8.2 %
Senior Floating Rate Interests 5.8 %
Convertible Bonds 4.6 %
Foreign Government Obligations 4.2 %
Exchange-Traded Funds 1.8 %
Preferred Stocks 1.3 %
Municipal Bonds 0.0 %†
Purchased Options 0.0 %†
Short-Term Investments 2.5 %
Other Assets & Liabilities (8.2 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
C000040927 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Multi-Asset Income Fund
Class Name Class R3
Trading Symbol ITTRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Multi-Asset Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $70 1.38%
^
Annualized.
Expenses Paid, Amount $ 70
Expense Ratio, Percent 1.38% [175]
Net Assets $ 571,179,491
Holdings Count | Holding 1,507
Investment Company Portfolio Turnover 65.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $571,179,491
Total number of portfolio holdings 1,507
Portfolio turnover rate (excludes to be announced (TBA) roll transactions) 65%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 25.1 %
Corporate Bonds 21.1 %
Asset-Backed & Commercial Mortgage-Backed Securities 12.4 %
U.S. Government Agencies^ 10.7 %
Equity Linked Securities 10.5 %
U.S. Government Securities 8.2 %
Senior Floating Rate Interests 5.8 %
Convertible Bonds 4.6 %
Foreign Government Obligations 4.2 %
Exchange-Traded Funds 1.8 %
Preferred Stocks 1.3 %
Municipal Bonds 0.0 %†
Purchased Options 0.0 %†
Short-Term Investments 2.5 %
Other Assets & Liabilities (8.2 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
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