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

The fund seeks long-term growth of capital through investments in stocks of non-U.S. companies.
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.
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 93.8% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 93.80%
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

The fund expects to primarily invest in stocks of companies located outside the U.S. Under normal conditions, the fund will invest at least 80% of its net assets (including any borrowings for investment purposes) in stocks of non-U.S. companies and no more than 15% of its net assets will be invested in stocks of companies in emerging markets. For purposes of determining whether the fund invests at least 80% of its net assets in non-U.S. stocks, the fund relies on the country assigned to a security by MSCI Inc., a third-party provider of benchmark indexes and data services, or another unaffiliated data provider. The fund also relies on MSCI Inc. or another unaffiliated data provider to determine which countries are considered emerging markets.

While the adviser invests with an awareness of the global economic backdrop and the adviser’s outlook for certain industries, sectors, and individual countries, the adviser’s decision-making process focuses on bottom-up stock selection. Country allocation is driven largely by stock selection, though the adviser may limit investments in markets or industries that appear to have poor overall prospects.

The fund may purchase the stocks of companies of any size, but typically focuses on large-cap companies, and does not emphasize either a growth or value bias in selecting investments. The adviser generally selects securities for the fund that the adviser believes have the most favorable combination of company fundamentals, earnings potential, and relative valuation.

The fund will typically have significant investments in developed European countries, as well as Japan and select other developed countries.

At times, the fund may have a significant portion of its assets invested in the same economic sector.
Risk [Heading] rr_RiskHeading Principal Risks
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.
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. The following table shows the average annual total returns for the fund, 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

16.97%

 

Worst Quarter

3/31/20

-22.08%

 
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns Periods ended December 31, 2023
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 the fund, 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 Institutional International Disciplined Equity Fund | Risk Lose Money [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock The fund’s share price fluctuates, which means you could lose money by investing in the fund.
T. Rowe Price Institutional International Disciplined Equity Fund | International investing  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

International investing: 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.
T. Rowe Price Institutional International Disciplined Equity Fund | Large-cap stocks  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Large-cap stocks: Securities issued by large-cap companies tend to be less volatile than securities issued by small- and mid-cap companies. However, large-cap companies may not be able to attain the high growth rates of successful small- and mid-cap companies, especially during strong economic periods, and may be unable to respond as quickly to competitive challenges.
T. Rowe Price Institutional International Disciplined Equity Fund | Investing style  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Investing style: Because the fund may hold stocks with either growth or value characteristics, it could underperform other funds that take a strictly growth or value approach to investing when one style is currently in favor. Growth stocks tend to be more volatile than the overall stock market and can have sharp price declines as a result of earnings disappointments. Value stocks carry the risk that the market will not recognize their intrinsic value for a long time (or at all) or that they are actually appropriately priced at a low level.
T. Rowe Price Institutional International Disciplined Equity Fund | Market conditions  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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 economic, political, or regulatory developments, recessions, inflation, rapid interest rate changes, war, military conflict, 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.
T. Rowe Price Institutional International Disciplined Equity Fund | Investing in Europe  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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 ongoing military conflict in Ukraine.
T. Rowe Price Institutional International Disciplined Equity Fund | Investing in Japan  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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.
T. Rowe Price Institutional International Disciplined Equity Fund | Investing in United Kingdom  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Investing in United Kingdom: The risks of investing in the United Kingdom have been heightened as a result of Brexit, the formal steps taken by the United Kingdom to exit the European Union, which has resulted in increased volatility and triggered political, economic, and legal uncertainty. Although the United Kingdom has formally left the European Union, uncertainty remains as to the long-term consequences of Brexit and issuers in the United Kingdom may experience lower growth as a result.
T. Rowe Price Institutional International Disciplined Equity Fund | Sector exposure  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Sector exposure: Issuers in the same economic sector may be similarly affected by economic or market events, making the fund more vulnerable to unfavorable developments in that economic sector than funds that invest more broadly.

T. Rowe Price Institutional International Disciplined Equity Fund | Emerging markets  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Emerging markets: Investments in emerging market countries are subject to greater risk and overall volatility than investments in the U.S. and other developed markets. Emerging market countries tend to have economic structures that are less diverse and mature, less developed legal and regulatory regimes, and political systems that are less stable, than those of developed countries. In addition to the risks associated with investing outside the U.S., emerging markets are more susceptible to governmental interference, political and economic uncertainty, local taxes and restrictions on the fund’s investments, less efficient trading markets with lower overall liquidity, and more volatile currency exchange rates.
T. Rowe Price Institutional International Disciplined Equity Fund | Stock investing  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

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.
T. Rowe Price Institutional International Disciplined Equity Fund | Active management  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Active management: The fund’s overall investment program and holdings selected by the fund’s investment adviser may underperform the broad markets, relevant indices, or other funds with similar objectives and investment strategies.
T. Rowe Price Institutional International Disciplined Equity Fund | Cybersecurity breaches  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Cybersecurity breaches: The fund could be harmed by intentional cyberattacks and other cybersecurity breaches, including unauthorized access to the fund’s assets, confidential 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.
T. Rowe Price Institutional International Disciplined Equity 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
T. Rowe Price Institutional International Disciplined Equity Fund | MSCI EAFE Index Net  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 18.24%
5 Years rr_AverageAnnualReturnYear05 8.16%
10 Years rr_AverageAnnualReturnYear10 4.28%
T. Rowe Price Institutional International Disciplined Equity Fund | Lipper International Multi-Cap Core Funds Average  
Risk/Return: rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Lipper International Multi-Cap Core Funds Average
T. Rowe Price Institutional International Disciplined Equity Fund | Lipper International Multi-Cap Core Funds Average  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 16.33%
5 Years rr_AverageAnnualReturnYear05 7.22%
10 Years rr_AverageAnnualReturnYear10 3.90%
T. Rowe Price Institutional International Disciplined Equity Fund | Institutional International Disciplined Equity Fund  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.65%
Other expenses rr_OtherExpensesOverAssets 0.16%
Total annual fund operating expenses rr_ExpensesOverAssets 0.81%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.06%) [1]
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 0.75% [1]
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination February 28, 2025
1 Year rr_ExpenseExampleYear01 $ 77
3 Years rr_ExpenseExampleYear03 253
5 Years rr_ExpenseExampleYear05 444
10 Years rr_ExpenseExampleYear10 $ 996
Annual Return 2014 rr_AnnualReturn2014 (4.36%)
Annual Return 2015 rr_AnnualReturn2015 0.46%
Annual Return 2016 rr_AnnualReturn2016 4.84%
Annual Return 2017 rr_AnnualReturn2017 21.69%
Annual Return 2018 rr_AnnualReturn2018 (10.32%)
Annual Return 2019 rr_AnnualReturn2019 23.48%
Annual Return 2020 rr_AnnualReturn2020 4.56%
Annual Return 2021 rr_AnnualReturn2021 5.16%
Annual Return 2022 rr_AnnualReturn2022 (10.26%)
Annual Return 2023 rr_AnnualReturn2023 17.20%
Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2022
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 16.97%
Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (22.08%)
1 Year rr_AverageAnnualReturnYear01 17.20%
5 Years rr_AverageAnnualReturnYear05 7.38%
10 Years rr_AverageAnnualReturnYear10 4.61%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 27, 2010
T. Rowe Price Institutional International Disciplined Equity Fund | Institutional International Disciplined Equity Fund | After Taxes on Distributions  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 16.47%
5 Years rr_AverageAnnualReturnYear05 6.80%
10 Years rr_AverageAnnualReturnYear10 3.50%
T. Rowe Price Institutional International Disciplined Equity Fund | Institutional International Disciplined Equity Fund | After Taxes on Distributions and Sales  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 10.75%
5 Years rr_AverageAnnualReturnYear05 5.83%
10 Years rr_AverageAnnualReturnYear10 3.40%
[1]

T. Rowe Price Associates, Inc., has contractually agreed (through February 28, 2025) to waive its fees and/or bear any expenses (excluding interest; expenses related to borrowings, taxes, and brokerage; nonrecurring, extraordinary expenses; and acquired fund fees and expenses) that would cause the class’ ratio of expenses to average daily net assets to exceed 0.75%. The agreement may only be terminated at any time after February 28, 2025, with approval by the fund’s Board of Directors. Fees waived and expenses paid under this agreement (and any applicable prior limitations) are subject to reimbursement to T. Rowe Price Associates, Inc., by the fund whenever the expense ratio is below 0.75%. However, the fund will not reimburse T. Rowe Price Associates, Inc., more than three years from the date such amounts were initially waived or paid. The fund may only reimburse T. Rowe Price Associates, Inc., if the reimbursement does not cause the expense ratio (after the reimbursement is taken into account) to exceed the current expense limitation (or the expense limitation in place at the time the amounts were waived or paid).