Label	Element	Value
Risk Return Abstract	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	THE HARTFORD MUTUAL FUNDS II, INC.
Prospectus Date	rr_ProspectusDate	Feb. 28, 2025
Hartford Schroders International Multi-Cap Value Fund
Risk Return Abstract	rr_RiskReturnAbstract
Risk/Return [Heading]	rr_RiskReturnHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:20pt;font-weight:bold;">Hartford Schroders International Multi-Cap Value Fund Summary Section</span>
Objective [Heading]	rr_ObjectiveHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">INVESTMENT OBJECTIVE. </span>
Objective, Primary [Text Block]	rr_ObjectivePrimaryTextBlock	The Fund seeks long-term capital appreciation.
Expense [Heading]	rr_ExpenseHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">YOUR EXPENSES. </span>
Expense Narrative [Text Block]	rr_ExpenseNarrativeTextBlock	The table below describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and example below. Please contact your financial intermediary for more information regarding whether you may be required to pay a brokerage commission or other fees. You may qualify for sales charge discounts for Class A shares if you and your family invest, or agree to invest in the future, at least $50,000in certain classes of Hartford mutual funds or in The Hartford® SMART529® College Savings Plan. More information about these and other discounts is available from your financial professional and in the “How Sales Charges Are Calculated” section beginning on page 131 of the Fund’s statutory prospectus. Descriptions of any financial intermediary specific sales charge waivers and discounts are set forth in Appendix A to the statutory prospectus.
Shareholder Fees Caption [Text]	rr_ShareholderFeesCaption	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">Shareholder Fees</span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;"> (fees paid directly from your investment):</span>
Operating Expenses Caption [Text]	rr_OperatingExpensesCaption	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">Annual Fund Operating Expenses</span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;"> (expenses that you pay each year as a percentage of the value of your investment):</span>
Portfolio Turnover [Heading]	rr_PortfolioTurnoverHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">Portfolio Turnover. </span>
Portfolio Turnover [Text Block]	rr_PortfolioTurnoverTextBlock	The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the fiscal year ended October 31, 2024, the Fund’s portfolio turnover rate was 142% of the average value of its portfolio.
Portfolio Turnover, Rate	rr_PortfolioTurnoverRate	142.00%
Expenses Deferred Charges [Text Block]	rr_ExpensesDeferredChargesTextBlock	Investments of $1 million or more will not be subject to a front-end sales charge, but may be subject to a 1.00% contingent deferred sales charge.
Expense Breakpoint Discounts [Text]	rr_ExpenseBreakpointDiscounts	<span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">You may qualify for </span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">sales charge discounts for Class A shares if you and your family invest, or agree to invest in the future, at least $</span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">50,000</span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">in certain classes of Hartford mutual funds or in The Hartford</span><span style="color:#000000;font-family:Arial;font-size:6.5pt;position:relative;top:-2.75pt;">®</span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;"> SMART529</span><span style="color:#000000;font-family:Arial;font-size:6.5pt;position:relative;top:-2.75pt;">®</span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;"> College Savings Plan.</span>
Expense Breakpoint, Minimum Investment Required [Amount]	rr_ExpenseBreakpointMinimumInvestmentRequiredAmount	$ 50,000
Expense Example [Heading]	rr_ExpenseExampleHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">Example. </span>
Expense Example Narrative [Text Block]	rr_ExpenseExampleNarrativeTextBlock	The example below is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then, except as shown below, redeem all of your shares at the end of those periods. The example also assumes that:●Your investment has a 5% return each year ●The Fund’s operating expenses remain the same ●You reinvest all dividends and distributions.Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example by, Year, Caption [Text]	rr_ExpenseExampleByYearCaption	<span style="color:#000000;font-family:Arial;font-size:9pt;">If you did not redeem your shares:</span>
Strategy [Heading]	rr_StrategyHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">PRINCIPAL INVESTMENT STRATEGY. </span>
Strategy Narrative [Text Block]	rr_StrategyNarrativeTextBlock	The Fund normally invests at least 80% of its total assets in a diversified portfolio of equity securities, or derivative investments that provide exposure to equity securities, of companies located outside of the United States that the Fund’s sub-advisers, Schroder Investment Management North America Inc. (“SIMNA”) and Schroder Investment Management North America Limited (“SIMNA Ltd.,” together with SIMNA, the “Sub-Advisers”), consider to offer attractive valuations. The Sub-Advisers apply a proprietary quantitative investment analysis that seeks to capture the high returns historically available from value stocks. The Sub-Advisers do not consider benchmark weights when they construct the Fund’s portfolio. The Sub-Advisers believe that indices weighted by market-capitalization reflect a natural bias toward expensive stocks and geographic regions, and that, by contrast, a “bottom-up” approach to portfolio construction, not constrained by reference to a specific benchmark or index, may uncover less expensive stocks offering better investment value. The Sub-Advisers seek to select relatively inexpensive stocks of issuers located anywhere in the world based on an evaluation of a number of valuation metrics including: dividends, cash-flow, earnings, sales and asset-based measures. There is also a focus on high quality companies within this universe defined using metrics including: profitability, stability, financial strength, structural growth, and corporate governance. Geographic and sector allocations are principally the result of this selection. In addition, the Sub-Advisers integrate financially material environmental, social and governance (“ESG”) characteristics (where available for an issuer) into their investment process. ESG characteristics are one of several factors that contribute to the Sub-Advisers’ overall evaluation of the risk and return potential of an investment. The Sub-Advisers generally sell securities in the Fund when the Sub-Advisers believe they are fully priced or to take advantage of other investments the Sub-Advisers consider more attractive.The Fund may invest in companies of any market capitalization. The equity securities in which the Fund may invest include, but are not limited to, common stock and preferred stock. The Fund may trade securities actively. The Fund invests in a variety of countries throughout the world including emerging market countries and may, from time to time, invest more than 25% of its assets in any one country or group of countries. Although the Fund may invest in any country in the world, including “emerging market” countries, the Sub-Advisers expect that a substantial portion of the Fund’s investments will normally be in countries included in the MSCI ACWI ex USA Index. The Sub-Advisers will consider an issuer to be located in a country if it is organized under the laws of and its equity securities are principally traded in that country, or it is domiciled or has its principal place of business located in and its equity securities are principally traded in that country, or if the Sub-Advisers determine that the issuer has more than 50% of its assets in, or derives more than 50% of its revenues from, that country.The Fund may also enter into exchange-traded or over-the-counter derivative transactions, including but not limited to, futures contracts and foreign exchange forwards. The Fund may enter into these transactions for hedging purposes, to gain exposure to certain issuers or market sectors, and/or to equitize cash.
Risk [Heading]	rr_RiskHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">PRINCIPAL RISKS. </span>
Bar Chart and Performance Table [Heading]	rr_BarChartAndPerformanceTableHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">PAST PERFORMANCE.</span>
Performance Narrative [Text Block]	rr_PerformanceNarrativeTextBlock	The performance information indicates the risks of investing in the Fund.Keep in mind that past performance (before and after taxes) does not indicate future results. Updated performance information is available at hartfordfunds.com. Effective immediately before the opening of business on October 24, 2016, the Schroder International Multi-Cap Value Fund (the “Predecessor Fund”) was reorganized into the Fund. The performance information for periods prior to October 24, 2016 is that of the Predecessor Fund. The returns for the Fund in the bar chart and table:●Assume reinvestment of all dividends and distributions ●Would be different if the Fund’s fees and expenses were reflected for periods prior to October 24, 2016●Reflect fee waivers and/or expense limitation arrangements, if any. Absent any applicable fee waivers and/or expense limitation arrangements, performance would have been lower.The bar chart:●Shows how the Fund’s total return has varied from year to year ●Returns do not include sales charges. If sales charges were reflected, returns would have been lower●Shows the returns of Class A shares. Returns for the Fund’s other classes differ only to the extent that the classes do not have the same expenses.
Performance Information Illustrates Variability of Returns [Text]	rr_PerformanceInformationIllustratesVariabilityOfReturns	<span style="color:#000000;font-family:Arial Narrow;font-size:10pt;"> The performance information indicates the risks of investing in the Fund.</span>
Performance Availability Website Address [Text]	rr_PerformanceAvailabilityWebSiteAddress	<span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">hartfordfunds.com</span>
Performance Past Does Not Indicate Future [Text]	rr_PerformancePastDoesNotIndicateFuture	<span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">Keep in mind that past performance (before and after taxes) does not indicate future results.</span>
Bar Chart [Heading]	rr_BarChartHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">Total returns by calendar year (excludes sales charges)</span>
Bar Chart Closing [Text Block]	rr_BarChartClosingTextBlock	During the periods shown in the chart above:ReturnsQuarter EndedBest Quarter Return17.47%December 31, 2020Worst Quarter Return-27.97%March 31, 2020
Performance Table Heading	rr_PerformanceTableHeading	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">Average Annual Total Returns. </span>
Performance Table Uses Highest Federal Rate	rr_PerformanceTableUsesHighestFederalRate	<span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">After-tax returns, which are calculated using the historical highest individual federal marginal income tax rates </span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">and do not reflect the impact of state and local taxes, are shown only for Class A shares and will vary for other classes.</span>
Performance Table Not Relevant to Tax Deferred	rr_PerformanceTableNotRelevantToTaxDeferred	<span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">Actual after-tax returns, which depend on an investor’s particular tax situation, may differ from those shown and are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</span>
Performance Table One Class of after Tax Shown [Text]	rr_PerformanceTableOneClassOfAfterTaxShown	<span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">After-tax returns, which are calculated using the historical highest individual federal marginal income tax rates </span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">and do not reflect the impact of state and local taxes, are shown only for Class A shares and will vary for other classes.</span>
Performance Table Narrative	rr_PerformanceTableNarrativeTextBlock	The table below shows returns for the Fund over time compared to those of two indices. The MSCI ACWI ex USA Index (Net) serves as the Fund’s performance and regulatory index and provides a broad measure of market performance. The MSCI ACWI ex USA Value Index (Net) serves as the Fund’s secondary performance index. After-tax returns, which are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes, are shown only for Class A shares and will vary for other classes.Actual after-tax returns, which depend on an investor’s particular tax situation, may differ from those shown and are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Caption	rr_AverageAnnualReturnCaption	<span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">Average annual total returns for periods ending December 31, 2024 (including sales charges)</span>
Hartford Schroders International Multi-Cap Value Fund | Risk Lose Money [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	When you sell your shares they may be worth more or less than what you paid for them, which means that you could lose money as a result of your investment.
Hartford Schroders International Multi-Cap Value Fund | Risk Not Insured Depository Institution [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Hartford Schroders International Multi-Cap Value Fund | Market Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Market Risk –  Market risk is the risk that one or more markets in which the Fund invests will go down in value, including the possibility that the markets will go down sharply and unpredictably. Securities of a company may decline in value due to its financial prospects and activities, including certain operational impacts, such as data breaches and cybersecurity attacks. Securities may also decline in value due to general market and economic movements and trends, including adverse changes to credit markets, or as a result of other events such as geopolitical events, natural disasters, or widespread pandemics (such as COVID-19) or other adverse public health developments.
Hartford Schroders International Multi-Cap Value Fund | Foreign Investments Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Foreign Investments Risk –  Investments in foreign securities may be riskier, more volatile, and less liquid than investments in U.S. securities. Differences between the U.S. and foreign regulatory regimes and securities markets, including the less stringent investor protection, less stringent accounting, corporate governance, financial reporting and disclosure standards of some foreign markets, as well as political and economic developments in foreign countries and regions and the U.S. (including the imposition of sanctions, tariffs, or other governmental restrictions), may affect the value of the Fund’s investments in foreign securities. Changes in currency exchange rates may also adversely affect the Fund’s foreign investments.
Hartford Schroders International Multi-Cap Value Fund | Emerging Markets Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Emerging Markets Risk –  The risks related to investing in foreign securities are generally greater with respect to investments in companies that conduct their principal business activities in emerging markets or whose securities are traded principally on exchanges in emerging markets. The risks of investing in emerging markets include risks of illiquidity, increased price volatility, smaller market capitalizations, less government regulation and oversight, less extensive and less frequent accounting, financial, auditing and other reporting requirements, significant delays in settlement of trades, risk of loss resulting from problems in share registration and custody and substantial economic and political disruptions. In addition, the imposition of exchange controls (including repatriation restrictions), sanctions, confiscations, trade restrictions (including tariffs) and other government restrictions by the United States and other governments may also result in losses. Frontier markets are those emerging markets that are considered to be among the smallest, least mature and least liquid, and as a result, the risks of investing in emerging markets are magnified in frontier markets.
Hartford Schroders International Multi-Cap Value Fund | Currency Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Currency Risk –  The risk that the value of the Fund’s investments in foreign securities or currencies will be affected by the value of the applicable currency relative to the U.S. dollar. When the Fund sells a foreign currency or foreign currency denominated security, its value may be worth less in U.S. dollars even if the investment increases in value in its local market. U.S. dollar-denominated securities of foreign issuers may also be affected by currency risk, as the revenue earned by issuers of these securities may also be affected by changes in the issuer’s local currency.
Hartford Schroders International Multi-Cap Value Fund | Regional Country Focus Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Regional/Country Focus Risk –  To the extent that the Fund focuses its investments in a particular geographic region or country, the Fund may be subject to increased currency, political, regulatory, economic and other risks associated with that region or country. A natural or other disaster could occur in a geographic region in which the Fund invests, which could affect the economy or particular business operations of companies in the specific geographic region. As a result, the Fund may be subject to greater price volatility and risk of loss than a fund holding more geographically diverse investments.
Hartford Schroders International Multi-Cap Value Fund | Equity Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Equity Risk –  The risk that the price of equity or equity related securities may decline due to changes in a company’s financial condition and overall market and economic conditions.
Hartford Schroders International Multi-Cap Value Fund | Mid Cap And Small Cap Securities Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Mid Cap and Small Cap Securities Risk –  Investments in mid- and small-capitalization companies involve greater risks than investments in larger, more established companies. Many of these companies are young and have limited operating or business history. These securities may be subject to more abrupt or erratic price movements and may lack sufficient market liquidity, and these issuers often face greater business risks, including the risk of bankruptcy.
Hartford Schroders International Multi-Cap Value Fund | Large Cap Securities Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Large Cap Securities Risk –  The securities of large market capitalization companies may underperform other segments of the market because such companies may be less responsive to competitive challenges and opportunities and may be unable to attain high growth rates during periods of economic expansion.
Hartford Schroders International Multi-Cap Value Fund | Value Investing Style Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Value Investing Style Risk –  Using a value investing style to select investments involves special risks. Overlooked or otherwise undervalued securities entail a significant risk of never attaining their potential value or may even be overpriced. Also, the value investing style may over time go in and out of favor. At times when the value investing style is out of favor, the Fund may underperform other equity funds that use different investing styles. “Value” securities can be undervalued by the market for long periods of time.
Hartford Schroders International Multi-Cap Value Fund | Quantitative Investing Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Quantitative Investing Risk –  The value of securities or other investments selected using quantitative analysis can perform differently from the market as a whole or from their expected performance. This may be as a result of the factors used in the analysis, the weights placed on each factor, and changes in the historical trends of the factors.
Hartford Schroders International Multi-Cap Value Fund | Active Investment Management Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Active Investment Management Risk –  The risk that, if the Sub-Advisers’ investment strategy does not perform as expected, the Fund could underperform its peers or lose money. Although the Sub-Advisers consider several factors when making investment decisions, the Sub-Advisers may not evaluate every factor prior to investing in a company or issuer, and the Sub-Advisers may determine that certain factors are more significant than others.
Hartford Schroders International Multi-Cap Value Fund | Derivatives Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Derivatives Risk –  Derivatives are instruments whose value depends on, or is derived from, the value of an underlying asset, reference rate or index. Derivatives may be riskier than other types of investments because they may be more sensitive to changes in economic or market conditions than other types of investments and could result in losses that significantly exceed the Fund’s original investment. Successful use of derivative instruments by the Fund depends on the Sub-Advisers’ judgment with respect to a number of factors and the Fund’s performance could be worse and/or more volatile than if it had not used these instruments. In addition, the fluctuations in the value of derivatives may not correlate perfectly with the value of any portfolio assets being hedged, the performance of the asset class to which the Sub-Advisers seek exposure, or the overall securities markets.
Hartford Schroders International Multi-Cap Value Fund | Forward Currency Contracts Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Forward Currency Contracts Risk –  A forward currency contract is an agreement between two parties to buy and sell a currency at a set price on a future date. The market value of a forward currency contract fluctuates with changes in foreign currency exchange rates. While forward foreign currency exchange contracts do not eliminate fluctuations in the value of foreign securities, they do allow the Fund to establish a fixed rate of exchange for a future point in time. Use of such contracts, therefore, can have the effect of reducing returns and minimizing opportunities for gain. The Fund could also lose money when the contract is settled. The Fund’s gains from its positions in forward foreign currency contracts may accelerate and/or recharacterize the Fund’s income or gains and its distributions to shareholders as ordinary income. The Fund’s losses from such positions may also recharacterize the Fund’s income and its distributions to shareholders and may cause a return of capital to Fund shareholders. Such acceleration or recharacterization could affect an investor’s tax liability.
Hartford Schroders International Multi-Cap Value Fund | Futures And Options Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Futures and Options Risk –  Futures and options may be more volatile than direct investments in the securities underlying the futures and options, may not correlate perfectly to the underlying securities, may involve additional costs, and may be illiquid. Futures and options also may involve the use of leverage as the Fund may make a small initial investment relative to the risk assumed, which could result in losses greater than if futures or options had not been used. Futures and options are also subject to the risk that the other party to the transaction may default on its obligation.
Hartford Schroders International Multi-Cap Value Fund | Active Trading Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Active Trading Risk –  Active trading could increase the Fund’s transaction costs and may increase your tax liability as compared to a fund with less active trading policies. These effects may adversely affect Fund performance.
Hartford Schroders International Multi-Cap Value Fund | Large Shareholder Transaction Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	Large Shareholder Transaction Risk –  The Fund may experience adverse effects when certain large shareholders redeem or purchase large amounts of shares of the Fund. Such redemptions may cause the Fund to sell securities at times when it would not otherwise do so or borrow money (at a cost to the Fund), which may negatively impact the Fund’s performance and liquidity. Similarly, large purchases may adversely affect the Fund’s performance to the extent that the Fund is delayed in investing new cash and is required to maintain a larger cash position than it ordinarily would. These transactions may also accelerate the realization of taxable income to shareholders if such sales of investments resulted in gains, and may also increase transaction costs.
Hartford Schroders International Multi-Cap Value Fund | ESG Integration Risk [Member]
Risk Return Abstract	rr_RiskReturnAbstract
Risk [Text Block]	rr_RiskTextBlock	ESG Integration Risk –  Integrating financially material ESG analysis into the investment process carries the risk that the Fund may perform differently from funds that do not integrate ESG into their analysis, or funds that evaluate different ESG characteristics. ESG characteristics are one of several factors that may be considered and as a result, the Fund’s investments may not have favorable ESG characteristics or high ESG ratings.
Hartford Schroders International Multi-Cap Value Fund | Class A
Risk Return Abstract	rr_RiskReturnAbstract
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	5.50%
Maximum deferred sales charge (load) (as a percentage of purchase price or redemption proceeds, whichever is less)	rr_MaximumDeferredSalesChargeOverOther	none	[1]
Management fees	rr_ManagementFeesOverAssets	0.70%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	0.25%
Other expenses	rr_OtherExpensesOverAssets	0.17%
Total annual fund operating expenses	rr_ExpensesOverAssets	1.12%
Year 1	rr_ExpenseExampleYear01	$ 658
Year 3	rr_ExpenseExampleYear03	886
Year 5	rr_ExpenseExampleYear05	1,133
Year 10	rr_ExpenseExampleYear10	$ 1,838
2015	rr_AnnualReturn2015	(4.96%)
2016	rr_AnnualReturn2016	8.49%
2017	rr_AnnualReturn2017	22.95%
2018	rr_AnnualReturn2018	(15.60%)
2019	rr_AnnualReturn2019	18.26%
2020	rr_AnnualReturn2020	0.74%
2021	rr_AnnualReturn2021	13.49%
2022	rr_AnnualReturn2022	(11.89%)
2023	rr_AnnualReturn2023	13.39%
2024	rr_AnnualReturn2024	6.68%
Highest Quarterly Return, Label	rr_HighestQuarterlyReturnLabel	<span style="color:#000000;font-family:Arial;font-size:9pt;font-weight:bold;margin-left:0.0pt;">Best Quarter Return</span>
Highest Quarterly Return, Date	rr_BarChartHighestQuarterlyReturnDate	Dec. 31, 2020
Highest Quarterly Return	rr_BarChartHighestQuarterlyReturn	17.47%
Lowest Quarterly Return, Label	rr_LowestQuarterlyReturnLabel	<span style="color:#000000;font-family:Arial;font-size:9pt;font-weight:bold;margin-left:0.0pt;">Worst Quarter Return</span>
Lowest Quarterly Return, Date	rr_BarChartLowestQuarterlyReturnDate	Mar. 31, 2020
Lowest Quarterly Return	rr_BarChartLowestQuarterlyReturn	(27.97%)
Hartford Schroders International Multi-Cap Value Fund | Class C
Risk Return Abstract	rr_RiskReturnAbstract
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum deferred sales charge (load) (as a percentage of purchase price or redemption proceeds, whichever is less)	rr_MaximumDeferredSalesChargeOverOther	1.00%
Management fees	rr_ManagementFeesOverAssets	0.70%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	1.00%
Other expenses	rr_OtherExpensesOverAssets	0.17%
Total annual fund operating expenses	rr_ExpensesOverAssets	1.87%
Year 1	rr_ExpenseExampleYear01	$ 290
Year 3	rr_ExpenseExampleYear03	588
Year 5	rr_ExpenseExampleYear05	1,011
Year 10	rr_ExpenseExampleYear10	2,190
Year 1	rr_ExpenseExampleNoRedemptionYear01	190
Year 3	rr_ExpenseExampleNoRedemptionYear03	588
Year 5	rr_ExpenseExampleNoRedemptionYear05	1,011
Year 10	rr_ExpenseExampleNoRedemptionYear10	$ 2,190
Hartford Schroders International Multi-Cap Value Fund | Class I
Risk Return Abstract	rr_RiskReturnAbstract
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum deferred sales charge (load) (as a percentage of purchase price or redemption proceeds, whichever is less)	rr_MaximumDeferredSalesChargeOverOther	none
Management fees	rr_ManagementFeesOverAssets	0.70%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	none
Other expenses	rr_OtherExpensesOverAssets	0.17%
Total annual fund operating expenses	rr_ExpensesOverAssets	0.87%
Year 1	rr_ExpenseExampleYear01	$ 89
Year 3	rr_ExpenseExampleYear03	278
Year 5	rr_ExpenseExampleYear05	482
Year 10	rr_ExpenseExampleYear10	$ 1,073
Hartford Schroders International Multi-Cap Value Fund | Class R3
Risk Return Abstract	rr_RiskReturnAbstract
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum deferred sales charge (load) (as a percentage of purchase price or redemption proceeds, whichever is less)	rr_MaximumDeferredSalesChargeOverOther	none
Management fees	rr_ManagementFeesOverAssets	0.70%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	0.50%
Other expenses	rr_OtherExpensesOverAssets	0.27%
Total annual fund operating expenses	rr_ExpensesOverAssets	1.47%
Year 1	rr_ExpenseExampleYear01	$ 150
Year 3	rr_ExpenseExampleYear03	465
Year 5	rr_ExpenseExampleYear05	803
Year 10	rr_ExpenseExampleYear10	$ 1,757
Hartford Schroders International Multi-Cap Value Fund | Class R4
Risk Return Abstract	rr_RiskReturnAbstract
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum deferred sales charge (load) (as a percentage of purchase price or redemption proceeds, whichever is less)	rr_MaximumDeferredSalesChargeOverOther	none
Management fees	rr_ManagementFeesOverAssets	0.70%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	0.25%
Other expenses	rr_OtherExpensesOverAssets	0.22%
Total annual fund operating expenses	rr_ExpensesOverAssets	1.17%
Year 1	rr_ExpenseExampleYear01	$ 119
Year 3	rr_ExpenseExampleYear03	372
Year 5	rr_ExpenseExampleYear05	644
Year 10	rr_ExpenseExampleYear10	$ 1,420
Hartford Schroders International Multi-Cap Value Fund | Class R5
Risk Return Abstract	rr_RiskReturnAbstract
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum deferred sales charge (load) (as a percentage of purchase price or redemption proceeds, whichever is less)	rr_MaximumDeferredSalesChargeOverOther	none
Management fees	rr_ManagementFeesOverAssets	0.70%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	none
Other expenses	rr_OtherExpensesOverAssets	0.16%
Total annual fund operating expenses	rr_ExpensesOverAssets	0.86%
Year 1	rr_ExpenseExampleYear01	$ 88
Year 3	rr_ExpenseExampleYear03	274
Year 5	rr_ExpenseExampleYear05	477
Year 10	rr_ExpenseExampleYear10	$ 1,061
Hartford Schroders International Multi-Cap Value Fund | Class Y
Risk Return Abstract	rr_RiskReturnAbstract
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum deferred sales charge (load) (as a percentage of purchase price or redemption proceeds, whichever is less)	rr_MaximumDeferredSalesChargeOverOther	none
Management fees	rr_ManagementFeesOverAssets	0.70%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	none
Other expenses	rr_OtherExpensesOverAssets	0.16%
Total annual fund operating expenses	rr_ExpensesOverAssets	0.86%
Year 1	rr_ExpenseExampleYear01	$ 88
Year 3	rr_ExpenseExampleYear03	274
Year 5	rr_ExpenseExampleYear05	477
Year 10	rr_ExpenseExampleYear10	$ 1,061
Hartford Schroders International Multi-Cap Value Fund | Class F
Risk Return Abstract	rr_RiskReturnAbstract
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum deferred sales charge (load) (as a percentage of purchase price or redemption proceeds, whichever is less)	rr_MaximumDeferredSalesChargeOverOther	none
Management fees	rr_ManagementFeesOverAssets	0.70%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	none
Other expenses	rr_OtherExpensesOverAssets	0.06%
Total annual fund operating expenses	rr_ExpensesOverAssets	0.76%
Year 1	rr_ExpenseExampleYear01	$ 78
Year 3	rr_ExpenseExampleYear03	243
Year 5	rr_ExpenseExampleYear05	422
Year 10	rr_ExpenseExampleYear10	$ 942
Hartford Schroders International Multi-Cap Value Fund | Class SDR
Risk Return Abstract	rr_RiskReturnAbstract
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice	none
Maximum deferred sales charge (load) (as a percentage of purchase price or redemption proceeds, whichever is less)	rr_MaximumDeferredSalesChargeOverOther	none
Management fees	rr_ManagementFeesOverAssets	0.70%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	none
Other expenses	rr_OtherExpensesOverAssets	0.06%
Total annual fund operating expenses	rr_ExpensesOverAssets	0.76%
Year 1	rr_ExpenseExampleYear01	$ 78
Year 3	rr_ExpenseExampleYear03	243
Year 5	rr_ExpenseExampleYear05	422
Year 10	rr_ExpenseExampleYear10	$ 942
Hartford Schroders International Multi-Cap Value Fund | After Taxes on Distributions | Class A
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	0.55%
5 Years	rr_AverageAnnualReturnYear05	2.41%
10 Years	rr_AverageAnnualReturnYear10	3.22%
Hartford Schroders International Multi-Cap Value Fund | Return Before Taxes | Class A
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	0.81%
5 Years	rr_AverageAnnualReturnYear05	2.86%
10 Years	rr_AverageAnnualReturnYear10	3.83%
Hartford Schroders International Multi-Cap Value Fund | Return Before Taxes | Class C
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	4.88%	[2]
5 Years	rr_AverageAnnualReturnYear05	3.27%	[2]
10 Years	rr_AverageAnnualReturnYear10	3.82%	[2]
Hartford Schroders International Multi-Cap Value Fund | Return Before Taxes | Class I
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	6.95%
5 Years	rr_AverageAnnualReturnYear05	4.31%
10 Years	rr_AverageAnnualReturnYear10	4.69%
Hartford Schroders International Multi-Cap Value Fund | Return Before Taxes | Class R3
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	6.41%	[2]
5 Years	rr_AverageAnnualReturnYear05	3.73%	[2]
10 Years	rr_AverageAnnualReturnYear10	4.20%	[2]
Hartford Schroders International Multi-Cap Value Fund | Return Before Taxes | Class R4
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	6.64%	[2]
5 Years	rr_AverageAnnualReturnYear05	3.98%	[2]
10 Years	rr_AverageAnnualReturnYear10	4.42%	[2]
Hartford Schroders International Multi-Cap Value Fund | Return Before Taxes | Class R5
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	6.97%	[2]
5 Years	rr_AverageAnnualReturnYear05	4.32%	[2]
10 Years	rr_AverageAnnualReturnYear10	4.68%	[2]
Hartford Schroders International Multi-Cap Value Fund | Return Before Taxes | Class Y
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	6.85%	[2]
5 Years	rr_AverageAnnualReturnYear05	4.34%	[2]
10 Years	rr_AverageAnnualReturnYear10	4.72%	[2]
Hartford Schroders International Multi-Cap Value Fund | Return Before Taxes | Class F
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	6.96%	[3]
5 Years	rr_AverageAnnualReturnYear05	4.42%	[3]
10 Years	rr_AverageAnnualReturnYear10	4.77%	[3]
Hartford Schroders International Multi-Cap Value Fund | Return Before Taxes | Class SDR
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	6.97%
5 Years	rr_AverageAnnualReturnYear05	4.41%
10 Years	rr_AverageAnnualReturnYear10	4.80%
Hartford Schroders International Multi-Cap Value Fund | After Taxes on Distributions and Sale of Fund Shares | Class A
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	1.34%
5 Years	rr_AverageAnnualReturnYear05	2.37%
10 Years	rr_AverageAnnualReturnYear10	3.03%
Hartford Schroders International Multi-Cap Value Fund | MSCI ACWI ex USA Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deduction for fees, expenses or other taxes)
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	5.53%
5 Years	rr_AverageAnnualReturnYear05	4.10%
10 Years	rr_AverageAnnualReturnYear10	4.80%
Hartford Schroders International Multi-Cap Value Fund | MSCI ACWI ex USA Value Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deduction for fees, expenses or other taxes)
Risk Return Abstract	rr_RiskReturnAbstract
1 Year	rr_AverageAnnualReturnYear01	6.04%
5 Years	rr_AverageAnnualReturnYear05	4.50%
10 Years	rr_AverageAnnualReturnYear10	4.07%

[1] Investments of $1 million or more will not be subject to a front-end sales charge, but may be subject to a 1.00% contingent deferred sales charge.

[2] Class C, Class R3, Class R4, Class R5, and Class Y shares commenced operations on October 24, 2016 and performance prior to this date reflects the performance of the Predecessor Fund’s Investor Shares. Prior to October 24, 2016, Class I was called Investor Shares.

[3] Class F shares commenced operations on February 28, 2017 and performance prior to that date is that of the Fund’s Class I shares. Performance prior to Class F’s inception date has not been adjusted to reflect the operating expenses of Class F.