Objective, Primary [Text Block]

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Risk/Return [Heading]

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Global Infrastructure Fund

Objective [Heading]

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Investment Objective (Non-Fundamental)

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The Fund seeks to provide long term growth of capital and current income.

Expense [Heading]

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Fees and Expenses of the Fund

Expense Narrative [Text Block]

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The following tables describe the fees and expenses that you may pay if you buy, hold, and sell Shares of the Fund. In addition to the fees and expenses described below, you may also be required to pay brokerage commissions on purchases and sales of Class S Shares of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Russell Investment Company Funds. In addition, certain Financial Intermediaries (as defined below in the Additional Information section) may impose different sales loads and waivers. More information about these and other discounts is available from your financial professional and in the Front-End Sales Charges and More About Deferred Sales Charges sections and Appendix A: Additional Information About Financial Intermediary-Specific Sales Charge Variations, Waivers and Discounts, beginning on pages 279, 282 and 355, respectively, of the Prospectus, and in the Purchase, Exchange and Redemption of Fund Shares section, beginning on page 35, of the Fund’s Statement of Additional Information. Please see the Expense Notes section of the Fund's Prospectus for further information regarding expenses of the Fund.

Shareholder Fees Caption [Text]

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Shareholder Fees (fees paid directly from your investment)

Operating Expenses Caption [Text]

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Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)#

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

February 29, 2024

Portfolio Turnover [Heading]

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Portfolio Turnover

Portfolio Turnover [Text Block]

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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 most recent fiscal year, the Fund’s portfolio turnover rate was 62% of the average value of its portfolio.

Portfolio Turnover, Rate

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62.00%

Expense Breakpoint Discounts [Text]

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You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Russell Investment Company Funds.

Expense Breakpoint, Minimum Investment Required [Amount]

rr_ExpenseBreakpointMinimumInvestmentRequiredAmount

$ 50,000

Other Expenses, New Fund, Based on Estimates [Text]

rr_OtherExpensesNewFundBasedOnEstimates

“Other Expenses” for Class R6 Shares are based on estimated amounts for the current fiscal year as this Share Class did not have any assets during the most recent fiscal year.

Expense Example [Heading]

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Example

Expense Example Narrative [Text Block]

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This example 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 redeem all of your Shares at the end of those periods. The example also assumes your investment has a 5% return each year and that operating expenses remain the same. The calculation of costs for the one year period takes into account the effect of any current contractual fee waivers and/or reimbursements. The calculation of costs for the remaining periods takes such fee waivers and/or reimbursements into account only for the first year of the periods.

Although your actual costs may be higher or lower, under these assumptions your costs would be:

Strategy [Heading]

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Investments, Risks and Performance Principal Investment Strategies of the Fund

Strategy Narrative [Text Block]

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The Fund has a non-fundamental policy to invest, under normal circumstances, at least 80% of its net assets plus borrowings for investment purposes in securities issued by companies that are engaged in the infrastructure business. Infrastructure refers to the systems and networks of energy, transportation, communication and other services required for the normal function of society. Infrastructure companies also include energy-related companies organized as master limited partnerships (“MLPs”) and their affiliates. The Fund principally invests in equity securities, including common stocks, of infrastructure companies economically tied to a number of countries around the world, including the U.S., in a globally diversified manner. The Fund may invest a significant portion of its assets in non-U.S. securities, including

emerging markets securities. The Fund considers emerging market countries to include every country in the world except Australia, Austria, Belgium, Canada, Denmark, Finland, France, Germany, Hong Kong, Iceland, Ireland, Israel, Italy, Japan, Luxembourg, the Netherlands, New Zealand, Norway, Portugal, Singapore, Spain, Sweden, Switzerland, the United Kingdom and the United States. The Fund may invest in large, medium or small capitalization companies.

Russell Investment Management, LLC (“RIM”) provides or oversees the provision of all investment advisory and portfolio management services for the Fund. The Fund is advised by RIM and multiple money managers unaffiliated with RIM pursuant to a multi-manager approach. RIM may change a Fund's asset allocation at any time. The Fund’s money managers have non-discretionary asset management assignments pursuant to which they provide a model portfolio to RIM representing their investment recommendations, based upon which RIM purchases and sells securities for the Fund. For Fund assets not allocated to money manager strategies, RIM utilizes quantitative and/or rules-based processes and qualitative analysis to assess Fund characteristics and invest in securities and instruments which provide the desired exposures. RIM may use strategies based on indexes. RIM also manages the Fund’s cash balances. The Fund usually, but not always, pursues a strategy to be fully invested by exposing its cash to the performance of appropriate markets by purchasing equity securities and/or derivatives, which typically include index futures contracts.

The Fund may invest in derivative instruments and may use derivatives to take both long and short positions. The Fund may enter into spot and forward currency contracts to facilitate settlement of securities transactions. Please refer to the “Investment Objective and Investment Strategies” section in the Fund's Prospectus for further information.

Risk [Heading]

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Principal Risks of Investing in the Fund

Risk Narrative [Text Block]

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An investment in the Fund, like any investment, has risks. The value of the Fund fluctuates and you could lose money. The principal risks of investing in the Fund are those associated with:

•

Infrastructure Companies. Infrastructure companies are subject to the risk that: the potential for realized revenue volumes is significantly lower than projected and/or cost overruns; the nature of the concession fundamentally changes during the life of the project (e.g., the state sponsor alters the terms); macroeconomic factors such as low GDP growth or high nominal interest rates raise the average cost of funding; government regulation may affect rates charged to customers; government budgetary constraints impact projects; special tariffs are imposed; and changes in tax laws, regulatory policies or accounting standards could be unfavorable. Other risks include environmental damage due to a company's operations or an accident, changes in market sentiment towards infrastructure and terrorist acts.

•

Equity Securities. The value of equity securities will rise and fall in response to the activities of the company that issued them, general market conditions and/or economic conditions. Investments in small and medium capitalization companies may involve greater risks because these companies generally have narrower markets, more limited managerial and financial resources and a less diversified product offering than larger, more established companies. Small and some medium capitalization stocks may also be thinly traded, and thus, difficult to buy and sell in the market.

•

Non-U.S. Securities. Non-U.S. securities have risks relating to political, economic, social and regulatory conditions in foreign countries. Non-U.S. securities may also be subject to risk of loss because of more or less foreign government regulation, less public information and less stringent investor protections and disclosure standards.

•

Emerging Markets Equity Securities. Investing in emerging market equity securities can pose some risks different from, and greater than, risks of investing in U.S. or developed markets equity securities. These risks include: a risk of loss due to political instability; exposure to economic structures that are generally less diverse and mature, and to political systems which may have less stability, than those of more developed countries; smaller market capitalization of securities markets, which may suffer periods of relative illiquidity (including as a result of a significant reduction in the number of market participants or transactions); significant price volatility; restrictions on foreign investment; possible difficulties in the repatriation of investment income and capital including as a result of the closure of securities markets in an emerging market country; and, generally, less stringent investor protection standards as compared with investments in U.S. or other developed market equity securities. In addition, emerging market countries may be subject to less stringent requirements regarding accounting, auditing, financial reporting and record keeping and therefore, all material information may not be available or reliable. U.S. regulatory authorities’ ability to enforce legal and/or regulatory obligations against individuals or entities, and shareholders’ ability to bring derivative litigation or otherwise enforce their legal rights, in emerging market countries may be limited.

•

Currency Risk. Non-U.S. securities that trade in, and receive revenues in, non-U.S. currencies are subject to the risk that those currencies will decline in value relative to the U.S. dollar or, in the case of hedging positions, that the U.S. dollar will decline in value relative to the currency being hedged. As a result, investments in non-U.S. dollar-denominated securities and currencies may reduce the returns of the Fund.

•

Global Financial Markets Risk. Global economies and financial markets are becoming increasingly interconnected and conditions (including volatility and instability) and events (including natural disasters, pandemics and epidemics) in one country, region or financial market may adversely impact issuers in a different country, region or financial market. In addition, governmental and quasi-governmental organizations have taken a number of unprecedented actions designed to support the markets. Such events and conditions may adversely affect the value of the Fund’s securities, result in greater market or liquidity risk or cause difficulty valuing the Fund’s portfolio instruments or achieving the Fund’s objective.

•

Liquidity Risk. The market for certain investments may become illiquid or less liquid (i.e., there may be a significant reduction in trading activity, including in the number of market participants or transactions, in such investments) under adverse or volatile market or economic conditions, making those investments difficult to sell. The market price of certain investments may fall dramatically if there is no liquid trading market. For derivatives, this also includes the risk involving liquidity demands that derivatives can create to make payments of margin or settlement payments to counterparties. Such events and conditions may adversely affect the value of the Fund’s investments, result in greater market or liquidity risk or cause difficulty valuing the Fund’s portfolio instruments or achieving the Fund’s objective.

•

Master Limited Partnerships (“MLPs”). Investing in MLPs involves certain risks related to investing in the underlying assets of the MLPs and risks associated with pooled investment vehicles. MLPs that concentrate in a particular industry or a particular geographic region are subject to risks associated with such industry or region. The benefit derived from the Fund’s investment in MLPs is largely dependent on the MLPs being treated as partnerships for U.S. federal income tax purposes.

•

Active Management. Despite strategies designed to achieve the Fund’s investment objective, the value of investments will change with market conditions, and so will the value of any investment in the Fund and you could lose money. The securities selected for the portfolio may not perform as RIM or the Fund's money managers expect. Additionally, securities selected may cause the Fund to underperform relative to other funds with similar investment objectives and strategies. There is no guarantee that RIM will effectively assess the Fund's portfolio characteristics and it is possible that its judgments regarding the Fund's exposures may prove incorrect. In addition, actions taken to manage Fund exposures, including risk, may be ineffective and/or cause the Fund to underperform.

•

Multi-Manager Approach. While the investment styles employed by the money managers are intended to be complementary, they may not in fact be complementary. A multi-manager approach could result in more exposure to certain types of securities and higher portfolio turnover.

•

Fundamental Investing Risk. A fundamental investment approach uses research and analysis of a variety of factors to create a forecast of company results, which is used to select securities. The process may result in an evaluation of a security’s value that may be incorrect or, if correct, may not be reflected by the market. Security or instrument selection using a fundamental investment approach may also cause the Fund to underperform other funds with similar investment objectives and investment strategies even in a rising market.

•

Quantitative Investing. Quantitative inputs and models use historical company, economic and/or industry data to evaluate prospective investments or to generate forecasts which could result in incorrect assessments of the specific portfolio characteristics or ineffective adjustments to the Fund’s exposures. Securities selected using quantitative analysis may perform differently than analysis of their historical trends would suggest. Inputs or models may be flawed or not work as anticipated and may cause the Fund to underperform other funds with similar investment objectives and strategies.

•

Derivatives. Investments in a derivative instrument could lose more than the initial amount invested. Compared to conventional securities, derivatives can be more sensitive to changes in interest rates or to sudden fluctuations in market prices and thus the Fund’s losses may be greater if it invests in derivatives than if it invests only in conventional securities. The use of derivative instruments involves risks different from, and possibly greater than, the risks associated with investing directly in equity or fixed income securities, currencies or other instruments. Derivatives are generally subject to a number of risks such as leveraging risk, liquidity risk, market risk, credit

risk, default risk, counterparty risk (the risk that the other party in an agreement will fail to perform its obligations), management risk, operational risk and legal risk. Certain of these risks do not apply to derivative instruments entered into for hedging or cash equitization, certain cleared derivative instruments, and written options contracts. Derivatives also involve the risk of mispricing or improper valuation and the risk that changes in the value of the derivative instrument may not correlate exactly with the change in the value of the underlying asset, rate or index.

•

Index-Based Investing. Index-based strategies (including index replication which seeks to purchase the securities in an index or a blend of indexes and optimized index sampling which seeks to purchase a sampling of securities using optimization and risk models), which may be used to gain desired Fund exposures, may cause the Fund's returns to be lower than if the Fund employed a fundamental investment approach to security selection with respect to that portion of its portfolio. Additionally, index-based strategies are subject to “tracking error” risk, which is the risk that the performance of the portion of the Fund's portfolio utilizing an index-based strategy will differ from the performance of the index it seeks to track.

•

Currency Trading Risk. Currency trading strategies may involve instruments that have volatile prices, are illiquid or less liquid or create economic leverage. Forward currency contracts are subject to the risk that, should forward prices increase, a loss will be incurred to the extent that the price of the currency agreed to be purchased exceeds the price of the currency agreed to be sold.

•

Counterparty Risk. Counterparty risk is the risk that the other party or parties to an agreement or a participant to a transaction, such as a broker, might default on a contract or fail to perform by failing to pay amounts due or failing to fulfill the obligations of the contract or transaction.

•

Non-Discretionary Implementation Risk. With respect to the portion of the Fund that is managed pursuant to model portfolios provided by non-discretionary money managers, it is expected that trades will be effected on a periodic basis and therefore less frequently than would typically be the case if discretionary money managers were employed. Given that values of investments change with market conditions, this could cause the Fund's return to be lower than if the Fund employed discretionary money managers with respect to that portion of its portfolio.

•

Impact of Large Redemptions (Including Possible Fund Liquidation). The Fund is used as an investment by certain funds of funds and in asset allocation programs and may have a large percentage of its Shares owned by such funds or held in such programs. Large redemption activity could result in the Fund incurring additional costs and being forced to sell portfolio securities at a loss to meet redemptions. Large redemptions may also result in increased expense ratios, higher levels of realized capital gains or losses with respect to the Fund’s portfolio securities, higher Fund cash levels, higher brokerage commissions and other transaction costs, among other negative consequences such as reduced liquidity in the Fund’s portfolio. As a result, large redemption activity could adversely affect the Fund’s ability to conduct its investment program which, in turn, could adversely impact the Fund’s performance or may result in the Fund no longer remaining at an economically viable size, in which case the Fund may cease operations.

Please refer to the “Risks” section in the Fund’s Prospectus for further information.

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.

Risk Lose Money [Text]

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An investment in the Fund, like any investment, has risks. The value of the Fund fluctuates and you could lose money.

Risk Not Insured Depository Institution [Text]

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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.

Bar Chart and Performance Table [Heading]

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Performance

Performance Information Illustrates Variability of Returns [Text]

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The following bar chart illustrates the risks of investing in the Fund by showing how the performance of the Fund’s Class S Shares varies from year to year over a 10-year period.

Performance Availability Website Address [Text]

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https://russellinvestments.com

Performance Past Does Not Indicate Future [Text]

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Past performance, both before-tax and after-tax, is no indication of future results.

Bar Chart [Heading]

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Class S Calendar Year Total Returns

Bar Chart Narrative [Text Block]

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The following bar chart illustrates the risks of investing in the Fund by showing how the performance of the Fund’s Class S Shares varies from year to year over a 10-year period. The returns (both before and after tax) for other Classes of Shares offered by this Prospectus may be lower than the returns shown in the bar chart, depending upon the fees and expenses of those Classes. The highest and lowest returns for a full quarter during the periods shown in the bar chart are set forth next to the bar chart.

Bar Chart Closing [Text Block]

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Highest Quarterly Return: 14.35% (1Q/19) Lowest Quarterly Return: (25.12)% (1Q/20)

Performance Table Heading

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Average annual total returns for the periods ended December 31, 2022

Performance Table Uses Highest Federal Rate

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After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.

Performance Table Not Relevant to Tax Deferred

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After-tax returns are not relevant to investors who hold their Shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.

Performance Table One Class of after Tax Shown [Text]

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After-tax returns are shown only for one class. The after-tax returns for other classes will vary.

Performance Table Explanation after Tax Higher

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If the Fund has realized capital losses, the total return after taxes on distributions and sale of Fund Shares may be higher than the total return before taxes and the total return after taxes on distributions.

Performance Table Narrative

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The table accompanying the bar chart further illustrates the risks of investing in the Fund by showing how the Fund’s average annual total returns for the periods shown compare with the returns of one or more indexes that measure broad market performance. After-tax returns are shown only for one class. The after-tax returns for other classes will vary. After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns are not relevant to investors who hold their Shares through tax-deferred arrangements, such

as 401(k) plans or individual retirement accounts. After-tax returns reflect foreign tax credits passed by the Fund to its shareholders thereby increasing total returns after taxes on distributions and total returns after taxes on distributions and sale of Fund Shares. If the Fund has realized capital losses, the total return after taxes on distributions and sale of Fund Shares may be higher than the total return before taxes and the total return after taxes on distributions. For more information, see the Performance Notes section in the Fund’s Prospectus.

Past performance, both before-tax and after-tax, is no indication of future results. More current performance information is available at https://russellinvestments.com.

Performance Table Closing [Text Block]

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S&P® is a registered trademark of Standard & Poor's Financial Services LLC.

Global Infrastructure Fund | Class A

Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)

rr_RiskReturnAbstract

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

5.75%

Maximum Sales Charge (Load) Imposed on Reinvested Dividends

rr_MaximumDeferredSalesChargeOverOther

1.00%

^[1]

rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther

none

rr_ManagementFeesOverAssets

1.25%

^[2]

rr_DistributionAndService12b1FeesOverAssets

0.25%

^[2]

rr_OtherExpensesOverAssets

0.67%

^[2]

rr_ExpensesOverAssets

2.17%

^[2]

rr_FeeWaiverOrReimbursementOverAssets

(0.89%)

^[2]

rr_NetExpensesOverAssets

1.28%

^[2]

rr_ExpenseExampleYear01

$ 698

rr_ExpenseExampleYear03

1,134

rr_ExpenseExampleYear05

1,596

rr_ExpenseExampleYear10

$ 2,868

rr_AverageAnnualReturnYear01

(8.89%)

rr_AverageAnnualReturnYear05

2.37%

Global Infrastructure Fund | Class C

rr_AverageAnnualReturnYear10

5.54%

Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)

rr_RiskReturnAbstract

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Maximum Sales Charge (Load) Imposed on Reinvested Dividends

rr_MaximumDeferredSalesChargeOverOther

none

^[1]

rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther

none

rr_ManagementFeesOverAssets

1.25%

^[2]

rr_DistributionAndService12b1FeesOverAssets

0.75%

^[2]

rr_OtherExpensesOverAssets

0.92%

^[2]

rr_ExpensesOverAssets

2.92%

^[2]

rr_FeeWaiverOrReimbursementOverAssets

(0.89%)

^[2]

rr_NetExpensesOverAssets

2.03%

^[2]

rr_ExpenseExampleYear01

$ 206

rr_ExpenseExampleYear03

820

rr_ExpenseExampleYear05

1,460

rr_ExpenseExampleYear10

$ 3,179

rr_AverageAnnualReturnYear01

(4.03%)

rr_AverageAnnualReturnYear05

2.81%

Global Infrastructure Fund | Class M

rr_AverageAnnualReturnYear10

5.37%

Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)

rr_RiskReturnAbstract

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Maximum Sales Charge (Load) Imposed on Reinvested Dividends

rr_MaximumDeferredSalesChargeOverOther

none

^[1]

rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther

none

rr_ManagementFeesOverAssets

1.25%

^[2]

rr_DistributionAndService12b1FeesOverAssets

none

^[2]

rr_OtherExpensesOverAssets

0.67%

^[2]

rr_ExpensesOverAssets

1.92%

^[2]

rr_FeeWaiverOrReimbursementOverAssets

(0.99%)

^[2]

rr_NetExpensesOverAssets

0.93%

^[2]

rr_ExpenseExampleYear01

$ 95

rr_ExpenseExampleYear03

507

rr_ExpenseExampleYear05

945

rr_ExpenseExampleYear10

$ 2,163

rr_AverageAnnualReturnYear01

(2.88%)

rr_AverageAnnualReturnYear05

3.95%

Global Infrastructure Fund | Class R6

rr_AverageAnnualReturnYear10

6.49%

Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)

rr_RiskReturnAbstract

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Maximum Sales Charge (Load) Imposed on Reinvested Dividends

rr_MaximumDeferredSalesChargeOverOther

none

^[1]

rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther

none

rr_ManagementFeesOverAssets

1.25%

^[2]

rr_DistributionAndService12b1FeesOverAssets

none

^[2]

rr_OtherExpensesOverAssets

0.52%

^[2]

rr_ExpensesOverAssets

1.77%

^[2]

rr_FeeWaiverOrReimbursementOverAssets

(0.89%)

^[2]

rr_NetExpensesOverAssets

0.88%

^[2]

rr_ExpenseExampleYear01

$ 90

rr_ExpenseExampleYear03

470

rr_ExpenseExampleYear05

876

rr_ExpenseExampleYear10

$ 2,010

rr_AverageAnnualReturnYear01

rr_AverageAnnualReturnYear05

Global Infrastructure Fund | Class S

rr_AverageAnnualReturnYear10

Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)

rr_RiskReturnAbstract

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Maximum Sales Charge (Load) Imposed on Reinvested Dividends

rr_MaximumDeferredSalesChargeOverOther

none

^[1]

rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther

none

rr_ManagementFeesOverAssets

1.25%

^[2]

rr_DistributionAndService12b1FeesOverAssets

none

^[2]

rr_OtherExpensesOverAssets

0.67%

^[2]

rr_ExpensesOverAssets

1.92%

^[2]

rr_FeeWaiverOrReimbursementOverAssets

(0.89%)

^[2]

rr_NetExpensesOverAssets

1.03%

^[2]

rr_ExpenseExampleYear01

$ 105

rr_ExpenseExampleYear03

517

rr_ExpenseExampleYear05

954

Highest Quarterly Return, Label

rr_ExpenseExampleYear10

$ 2,171

2013

rr_AnnualReturn2013

16.04%

2014

rr_AnnualReturn2014

10.83%

2015

rr_AnnualReturn2015

(7.39%)

2016

rr_AnnualReturn2016

9.11%

2017

rr_AnnualReturn2017

18.80%

2018

rr_AnnualReturn2018

(9.97%)

2019

rr_AnnualReturn2019

27.65%

2020

rr_AnnualReturn2020

(3.45%)

2021

rr_AnnualReturn2021

12.34%

2022

rr_AnnualReturn2022

(3.09%)

rr_HighestQuarterlyReturnLabel

Highest Quarterly Return:

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Mar. 31, 2019

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

14.35%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarterly Return:

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Mar. 31, 2020

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(25.12%)

rr_AverageAnnualReturnYear01

(3.09%)

rr_AverageAnnualReturnYear05

3.85%

Global Infrastructure Fund | Class Y

rr_AverageAnnualReturnYear10

6.43%

Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)

rr_RiskReturnAbstract

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Maximum Sales Charge (Load) Imposed on Reinvested Dividends

rr_MaximumDeferredSalesChargeOverOther

none

^[1]

rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther

none

rr_ManagementFeesOverAssets

1.25%

^[2]

rr_DistributionAndService12b1FeesOverAssets

none

^[2]

rr_OtherExpensesOverAssets

0.47%

^[2]

rr_ExpensesOverAssets

1.72%

^[2]

rr_FeeWaiverOrReimbursementOverAssets

(0.87%)

^[2]

rr_NetExpensesOverAssets

0.85%

^[2]

rr_ExpenseExampleYear01

$ 87

rr_ExpenseExampleYear03

457

rr_ExpenseExampleYear05

852

rr_ExpenseExampleYear10

$ 1,958

rr_AverageAnnualReturnYear01

(2.92%)

rr_AverageAnnualReturnYear05

4.02%

Global Infrastructure Fund | Return After Taxes on Distributions | Class S

rr_AverageAnnualReturnYear10

6.61%

rr_RiskReturnAbstract

rr_AverageAnnualReturnYear01

(3.61%)

rr_AverageAnnualReturnYear05

1.42%

Global Infrastructure Fund | Return After Taxes on Distributions and Sale of Fund Shares | Class S

rr_AverageAnnualReturnYear10

4.09%

rr_RiskReturnAbstract

rr_AverageAnnualReturnYear01

(1.08%)

rr_AverageAnnualReturnYear05

2.79%

Global Infrastructure Fund | S&P® Global Infrastructure Index (net of tax on dividends from foreign holdings) (USD) (reflects no deduction for fees or expenses)

rr_AverageAnnualReturnYear10

4.72%

rr_RiskReturnAbstract

rr_AverageAnnualReturnYear01

(0.99%)

rr_AverageAnnualReturnYear05

2.99%