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T. Rowe Price International Equity Index Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading International Equity Index Fund
Objective [Heading] rr_ObjectiveHeading Investment Objective(s)
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The fund seeks to provide long-term capital growth.
Expense [Heading] rr_ExpenseHeading Fees and Expenses
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the fund. You may also incur brokerage commissions and other charges when buying or selling shares of the fund, which are not reflected in the table or example below.
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual fund operating expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
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 the fund’s 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 12.9% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 12.90%
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock 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, that your investment has a 5% return each year, and that the fund’s operating expenses remain the same. The example also assumes that any current expense limitation arrangement remains in place for the period noted in the previous table; therefore, the figures have been adjusted to reflect fee waivers or expense reimbursements only in the periods for which the expense limitation arrangement is expected to continue. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal conditions, the fund will invest at least 80% of its net assets (including any borrowings for investment purposes) in stocks that are held in its benchmark index. The fund uses a full replication strategy, which involves investing substantially all of its assets in all of the stocks in the index in proportion to each stock’s weight in the index. T. Rowe Price compares the composition of the fund to that of the index. If a material misweighting develops, the portfolio manager seeks to rebalance the portfolio in an effort to realign it with its index.

The fund attempts to track the performance of stocks in developed non-U.S. markets by seeking to match the performance of its benchmark index, the MSCI EAFE Index Net (Index). The MSCI EAFE Index Net is a broadly diversified stock index designed to represent the performance of large- and mid-cap securities across developed markets, including countries in Europe, Australasia and the Far East, and excluding the U.S. and Canada. The Index assumes the reinvestment of dividends after the deduction of withholding taxes applicable to the country where the dividend is paid. The Index is weighted by market capitalization and the composition of the Index is rebalanced semi-annually. As of January 1, 2023, the Index consisted of 796 securities.

Because the fund typically holds securities in proportion to their weight in the Index, the fund may become nondiversified, as defined under the Investment Company Act of 1940, solely as a result of changes in the composition of the Index.

While most assets will be invested in common stocks, the fund may also purchase exchange-traded funds in an effort to minimize any deviations in performance from its benchmark index. Exchange-traded funds would typically be used to help realign the fund’s portfolio with its benchmark index, gain broad market or sector exposure, or to reduce cash balances in the fund and increase the level of fund assets exposed to common stocks.

Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

As with any fund, there is no guarantee that the fund will achieve its objective(s). The fund’s share price fluctuates, which means you could lose money by investing in the fund. The principal risks of investing in this fund, which may be even greater in bad or uncertain market conditions, are summarized as follows:

Index investing Because the fund is passively managed and seeks to match the performance of its benchmark index, holdings are generally not reallocated based on changes in market conditions or outlook for a specific security, industry, or market sector. As a result, the fund’s performance may lag the performance of actively managed funds.

Tracking error The returns of the fund may deviate from the returns of its benchmark index (referred to as “tracking error”) because the fund incurs fees and transaction expenses while the index has no fees or expenses. The risk of tracking error is increased to the extent the fund is unable to fully replicate its benchmark index, which could result from changes in the composition of the index or the timing of purchases and redemptions of fund shares. Tracking error may increase if the fund needs to fair value any of its portfolio holdings since the index does not need to apply fair valuation to its underlying securities.

International investing Investing in the securities of non-U.S. issuers involves special risks not typically associated with investing in U.S. issuers. Non-U.S. securities tend to be more volatile and have lower overall liquidity than investments in U.S. securities and may lose value because of adverse local, political, social, or economic developments overseas, or due to changes in the exchange rates between foreign currencies and the U.S. dollar. In addition, investments outside the U.S. are subject to settlement practices and regulatory and financial reporting standards that differ from those of the U.S. The risks of investing outside the U.S. are heightened for any investments in emerging markets, which are susceptible to greater volatility than investments in developed markets.

Market conditions The value of the fund’s investments may decrease, sometimes rapidly or unexpectedly, due to factors affecting an issuer held by the fund, particular industries, or the overall securities markets. A variety of factors can increase the volatility of the fund’s holdings and markets generally, including political or regulatory developments, recessions, inflation, rapid interest rate changes, war, military conflict, or acts of terrorism, natural disasters, and outbreaks of infectious illnesses or other widespread public health issues such as the coronavirus pandemic and related governmental and public responses (including sanctions). Certain events may cause instability across global markets, including reduced liquidity and disruptions in trading markets, while some events may affect certain geographic regions, countries, sectors, and industries more significantly than others. Government intervention in markets may impact interest rates, market volatility, and security pricing. These adverse developments may cause broad declines in market value due to short-term market movements or for significantly longer periods during more prolonged market downturns.

Stock investing Stocks generally fluctuate in value more than bonds and may decline significantly over short time periods. There is a chance that stock prices overall will decline because stock markets tend to move in cycles, with periods of rising and falling prices. The value of stocks held by the fund may decline due to general weakness or volatility in the stock markets in which the fund invests or because of factors that affect a particular company or industry.

Investing in Europe The European financial markets have experienced increased volatility due to concerns about economic downturns, political unrest, war, military conflict, economic sanctions, rising government debt levels, inflation, energy crisis, and public health pandemics, and these events may continue to significantly affect all of Europe. The economies and markets of European countries are often connected and interdependent, and events in one country in Europe can have an adverse impact on other European countries. European economies could

be significantly affected by, among other things, rising unemployment, the imposition or unexpected elimination of fiscal and monetary controls by member countries of the European Economic and Monetary Union, uncertainty surrounding the euro, the success of governmental actions to reduce budget deficits, and Russia’s military action in Ukraine.

Investing in Japan The Japanese economy has at times been negatively affected by government intervention and protectionism, excessive regulation, an unstable financial services sector, a heavy reliance on international trade, and natural disasters. Some of these factors, as well as other adverse political developments, increases in government debt, and changes in fiscal, monetary, or trade policies, may affect the Japanese economy.

Large- and mid-cap stocks Securities issued by large-cap and mid-cap companies tend to be less volatile than securities issued by small-cap companies. However, large-cap companies may not be able to attain the high growth rates of successful small-cap companies, especially during strong economic periods, and may be unable to respond as quickly to competitive challenges. The fund’s share price could fluctuate more than the share price of a fund that invests only in large-cap companies as stocks of mid-cap companies entail greater risk and are usually more volatile than stocks of large-cap companies.

Exchange-traded funds The fund will bear its proportionate share of the fees and expenses of each exchange-traded fund in which it invests. An investment in an exchange-traded fund involves substantially the same risks as investing directly in the exchange-traded fund’s underlying assets, although an exchange-traded fund may trade at a premium or discount to the actual net asset value of its portfolio securities, may have greater price volatility than its underlying assets, and its shares may have lower overall liquidity.

Sector exposure To the extent the fund invests in specific industries or sectors, it may be more susceptible to developments affecting those industries and sectors.

Nondiversification The fund may become nondiversified due to the composition of its benchmark index, and thus invest a large percentage of its assets in securities issued by or representing a small number of issuers. As a result, the fund’s performance may be adversely affected; the fund’s shares may experience greater price volatility; and the fund may be more susceptible to the risks associated with these particular issuers or to a single economic, political, or regulatory occurrence affecting these issuers.

Cybersecurity breaches The fund could be harmed by intentional cyberattacks and other cybersecurity breaches, including unauthorized access to the fund’s assets, customer data and confidential shareholder information, or other proprietary information. In addition, a cybersecurity breach could cause one of the fund’s service providers or financial intermediaries to suffer unauthorized data access, data corruption, or loss of operational functionality.
Risk Lose Money [Text] rr_RiskLoseMoney The fund’s share price fluctuates, which means you could lose money by investing in the fund.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The following performance information provides some indication of the risks of investing in the fund. The fund’s performance information represents only past performance (before and after taxes) and is not necessarily an indication of future results.

The following bar chart illustrates how much returns can differ from year to year by showing calendar year returns and the best and worst calendar quarter returns during those years for the fund’s Investor Class. Returns for other share classes vary since they have different expenses.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following performance information provides some indication of the risks of investing in the fund. The following bar chart illustrates how much returns can differ from year to year by showing calendar year returns and the best and worst calendar quarter returns during those years for the fund’s Investor Class. Returns for other share classes vary since they have different expenses. The following table shows the average annual total returns for each class of the fund that has been in operation for at least one full calendar year, and also compares the returns with the returns of a relevant broad-based market index, as well as with the returns of one or more comparative indexes that have investment characteristics similar to those of the fund, if applicable.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress troweprice.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The fund’s performance information represents only past performance (before and after taxes) and is not necessarily an indication of future results.
Bar Chart [Heading] rr_BarChartHeading Calendar Year Returns
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
         
  

Quarter Ended

Total Return

  

Quarter Ended

Total Return

 
 

Best Quarter

12/31/22

18.11%

 

Worst Quarter

3/31/20

-23.31%

 
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns Periods ended December 31, 2022
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate 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 rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their fund shares through tax-deferred arrangements, such as a 401(k) account or an IRA.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock

The following table shows the average annual total returns for each class of the fund that has been in operation for at least one full calendar year, and also compares the returns with the returns of a relevant broad-based market index, as well as with the returns of one or more comparative indexes that have investment characteristics similar to those of the fund, if applicable.

In addition, the table shows hypothetical after-tax returns to demonstrate how taxes paid by a shareholder may influence returns. 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 shown are not relevant to investors who hold their fund shares through tax-deferred arrangements, such as a 401(k) account or an IRA.

Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock Updated performance information is available through troweprice.com.
T. Rowe Price International Equity Index Fund | MSCI EAFE Index Net  
Risk/Return: rr_RiskReturnAbstract  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees or expenses
Label rr_AverageAnnualReturnLabel MSCI EAFE Index Net (reflects no deduction for fees or expenses)
T. Rowe Price International Equity Index Fund | MSCI EAFE Index Net  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (14.45%)
5 Years rr_AverageAnnualReturnYear05 1.54%
10 Years rr_AverageAnnualReturnYear10 4.67%
Since Inception rr_AverageAnnualReturnSinceInception 5.99% [1]
T. Rowe Price International Equity Index Fund | Investor Class  
Risk/Return: rr_RiskReturnAbstract  
Maximum account fee rr_MaximumAccountFee $ 20 [2]
Management fees rr_ManagementFeesOverAssets 0.09%
Other expenses rr_OtherExpensesOverAssets 0.21%
Total annual fund operating expenses rr_ExpensesOverAssets 0.30%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 0.30%
1 Year rr_ExpenseExampleYear01 $ 31
3 Years rr_ExpenseExampleYear03 97
5 Years rr_ExpenseExampleYear05 169
10 Years rr_ExpenseExampleYear10 $ 381
Annual Return 2013 rr_AnnualReturn2013 20.07%
Annual Return 2014 rr_AnnualReturn2014 (5.95%)
Annual Return 2015 rr_AnnualReturn2015 (0.74%)
Annual Return 2016 rr_AnnualReturn2016 1.43%
Annual Return 2017 rr_AnnualReturn2017 26.45%
Annual Return 2018 rr_AnnualReturn2018 (14.27%)
Annual Return 2019 rr_AnnualReturn2019 20.96%
Annual Return 2020 rr_AnnualReturn2020 9.20%
Annual Return 2021 rr_AnnualReturn2021 11.02%
Annual Return 2022 rr_AnnualReturn2022 (14.54%)
Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2022
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 18.11%
Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (23.31%)
1 Year rr_AverageAnnualReturnYear01 (14.54%)
5 Years rr_AverageAnnualReturnYear05 1.45%
10 Years rr_AverageAnnualReturnYear10 4.44%
Inception Date rr_AverageAnnualReturnInceptionDate Nov. 30, 2000
T. Rowe Price International Equity Index Fund | Investor Class | After Taxes on Distributions  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (14.94%)
5 Years rr_AverageAnnualReturnYear05 0.90%
10 Years rr_AverageAnnualReturnYear10 3.82%
T. Rowe Price International Equity Index Fund | Investor Class | After Taxes on Distributions and Sales  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (8.11%)
5 Years rr_AverageAnnualReturnYear05 1.19%
10 Years rr_AverageAnnualReturnYear10 3.50%
T. Rowe Price International Equity Index Fund | Z Class  
Risk/Return: rr_RiskReturnAbstract  
Maximum account fee rr_MaximumAccountFee none
Management fees rr_ManagementFeesOverAssets 0.09%
Other expenses rr_OtherExpensesOverAssets 0.06%
Total annual fund operating expenses rr_ExpensesOverAssets 0.15%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.15%) [3]
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets none [3]
1 Year rr_ExpenseExampleYear01 none
3 Years rr_ExpenseExampleYear03 none
5 Years rr_ExpenseExampleYear05 none
10 Years rr_ExpenseExampleYear10 none
1 Year rr_AverageAnnualReturnYear01 (14.24%)
Since Inception rr_AverageAnnualReturnSinceInception 6.12%
Inception Date rr_AverageAnnualReturnInceptionDate Nov. 02, 2020
[1] Return since 11/2/20.
[2]

Subject to certain exceptions, accounts with a balance of less than $10,000 are charged an annual $20 fee.
[3]

T. Rowe Price Associates, Inc., has contractually agreed to waive and/or bear all the Z Class’ expenses (excluding interest; expenses related to borrowings, taxes, and brokerage; nonrecurring, extraordinary expenses; and acquired fund fees and expenses) in their entirety. T. Rowe Price Associates, Inc., expects this fee waiver and/or expense reimbursement arrangement to remain in place indefinitely, and the agreement may only be amended or terminated with approval by the fund’s Board of Directors.