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S000089991 [Member] Investment Risks - Russell Investments International Developed Equity ETF
Sep. 30, 2025
Non U S Securities [Member]  
Prospectus [Line Items]  
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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 [Member]  
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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.
Equity Securitiess [Member]  
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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. Investments in preferred stocks are subject to the risks of common stocks, as well as the risk that interest rates will rise and make the fixed dividend feature, if any, less appealing to investors resulting in a decline in price.
Currency Risk [Member]  
Prospectus [Line Items]  
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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 [Member]  
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Global Financial Markets Risk. Global financial markets are 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 [Member]  
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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.
Active Management [Member]  
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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 [Member]  
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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 [Member]  
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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 Optimization and Models [Member]  
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Quantitative Investing, Optimization and Models. 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. Because RIM uses an optimization approach, it will not invest in all securities recommended by the money managers for the Fund. This approach could result in the omission of securities that would have outperformed the Fund’s portfolio, thereby reducing Fund returns as compared to the composite portfolio.
Derivatives [Member]  
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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, and certain cleared derivative instruments. 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.
Depositary Receipts [Member]  
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Depositary Receipts. Depositary receipts (including American Depositary Receipts and Global Depositary Receipts) are securities traded on a local stock exchange that represent securities issued by a foreign publicly-listed company. Depositary receipts are generally subject to the same risks of investing in the foreign securities they evidence or into which they may be converted.
Synthetic Foreign Equity Securities [Member]  
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Synthetic Foreign Equity Securities. Investments in these instruments involve the risk that the issuer of the instrument may default on its obligation to deliver the underlying security or its value. These instruments may also be subject to liquidity risk, currency risk and the risks associated with investments in non-U.S. securities. In addition, the exercise or settlement date may be affected by certain market disruption events which could cause the local access products to become worthless if the events continue for a period of time.
Equity Linked Notes [Member]  
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Equity Linked Notes. Equity linked notes are generally subject to the risks associated with the debt securities of foreign issuers and with securities denominated in foreign currencies and, because they are equity linked, may return a lower amount at maturity because of a decline in value of the linked security or securities. Equity linked notes are also subject to default risk and counterparty risk.
Currency Trading Risk [Member]  
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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.
Financial Services Sector Risk [Member]  
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Financial Services Sector Risk. The Fund may be susceptible to adverse economic or regulatory occurrences affecting the financial services sector, including with respect to U.S. and foreign banks, broker-dealers, insurance companies, finance companies (e.g., automobile finance) and related asset-backed securities. These developments may affect the value of the Fund’s investments more than if the Fund were not invested to such a degree in this sector. Companies in the financial services sector may be particularly susceptible to factors such as interest rate, fiscal, regulatory and monetary policy changes.
Real Estate Investment Trusts REITs [Member]  
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Real Estate Investment Trusts (“REITs”). REITs may be affected by changes in the value of the underlying properties owned by the REITs and by the quality of tenants’ credit.
Counterparty Risk [Member]  
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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.
Authorized Participant Concentration Risk [Member]  
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Authorized Participant Concentration Risk. Only an authorized participant may engage in creation or redemption transactions directly with the Fund. The Fund has a limited number of intermediaries that act as authorized participants and none of these authorized participants is or will be obligated to engage in creation or redemption transactions. To the extent that these intermediaries do not proceed with creation and/or redemption orders, Shares may trade at a discount to net asset value (“NAV”) and possibly face trading halts and/or delisting.
Trading Risk [Member]  
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Trading Risk. The market prices of Shares are expected to fluctuate, in some cases materially, in response to changes in a Fund’s NAV, the intra-day value of the Fund’s holdings, and supply and demand for Shares. Disruptions to creations and redemptions, the existence of significant market volatility or potential lack of an active trading market for the Shares may result in the shares trading significantly above (at a premium) or below (at a discount) to NAV or to the intraday value of the Fund’s holdings. You may pay significantly more or receive significantly less than a Fund’s NAV per share during periods when there is a significant premium or discount. Buying or selling shares in the secondary market may require paying brokerage commissions or other charges. In addition, the market price of Shares includes a “bid-ask spread” charged by the market makers or other participants that trade the particular security. The spread of a Fund’s Shares varies over time based on the Fund’s trading volume and market liquidity and may increase if the Fund’s trading volume, the spread of the Fund’s underlying securities, or market liquidity decrease. To the extent that the Fund’s underlying securities trade on foreign exchanges or in foreign markets that may be closed when the exchange on which the Fund’s Shares trade is open, there are likely to be deviations between the last quote for a security from the closed foreign exchange or market and the value of the security during the Shares’ trading day. This could in turn lead to differences between the market price of the Shares and the underlying value of the Shares.
Impact of Large Shareholder Transactions Including Possible Fund Liquidation [Member]  
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Impact of Large Shareholder Transactions (Including Possible Fund Liquidation). The Fund may experience certain adverse effects when certain shareholders, including other funds or accounts managed by RIM, purchase or sell large amounts of Shares of the Fund. Sales of large amounts of Shares may adversely affect the Fund’s liquidity and net assets to the extent such transactions are executed directly with the Fund in the form of redemptions through an authorized participant, rather than executed in the secondary market. To the extent effected in cash, such redemptions could result in the Fund being forced to sell portfolio securities at a loss or before RIM would otherwise decide to do so and may also accelerate the realization of taxable income to shareholders, which could make investments in Shares less tax-efficient than an investment in an ETF that is able to effect redemptions in-kind. To the extent large shareholders transact in Shares on the secondary market, such transactions may account for a large percentage of the trading volume on the exchange and may, therefore, have a material upward or downward effect on the market price of the Shares. Large redemptions may also result in higher and/or accelerated 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.
New Fund Risk [Member]  
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New Fund Risk. The Fund is a new Fund which may result in additional risk. There can be no assurance that the Fund will grow to an economically viable size, in which case the Fund may cease operations. Investors may be
required to liquidate or transfer their investments at an inopportune time. Because the Fund is new, it may be more significantly affected by purchases and redemptions of its creation units (“Creation Units”) than a fund with relatively greater assets under management. As compared to a larger fund, a new or smaller fund is more likely to sell a comparatively large portion of its portfolio to meet significant Creation Unit redemptions or invest a comparatively large amount of cash to facilitate Creation Unit purchases. Such transactions may cause the Fund to make investment decisions at inopportune times or miss attractive investment opportunities, accelerate the realization of taxable income or otherwise cause the Fund to perform differently than intended.
Cyber Security and Other Operational Risks [Member]  
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Cyber Security and Other Operational Risks. An investment in the Fund, like any fund, can involve operational risks. In addition, other disruptive events may adversely affect the Fund’s ability to conduct business. While the Fund seeks to minimize such risks and events through controls and oversight, including business continuity plans and risk management systems, there may still be events or failures that could cause losses to the Fund. In addition, the Fund may be susceptible to operational risks through breaches in cyber security. A cyber security breach may cause sensitive information (including relating to personally identifiable information of investors) to be lost, improperly accessed, used or disclosed. The Fund and its shareholders could be negatively impacted by such disruptive events or cyber security incidents.
Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] 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 [Member]  
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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.