v3.25.0.1
Label Element Value
T. Rowe Price Spectrum Diversified Equity Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Spectrum Diversified Equity Fund
Objective [Heading] rr_ObjectiveHeading Investment Objective(s)
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The fund seeks long-term capital appreciation and growth of income with current income a secondary objective.

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

Portfolio Turnover 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 26.1% of the average value of its portfolio.

Portfolio Turnover, Rate rr_PortfolioTurnoverRate 26.10%
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. 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 normally invests at least 80% of its net assets (plus any borrowings for investment purposes) in equity securities. Any derivatives that provide exposure to the investment focus suggested by the fund’s name, or to one or more market risk factors associated with the investment focus suggested by the fund’s name, are counted (as applicable) toward compliance with the fund’s 80% investment policy.

The fund seeks to achieve its objective by primarily investing in a mix of other T. Rowe Price funds (underlying funds) that focus on various areas of the overall stock markets. The fund broadly diversifies its assets among underlying funds representing specific market segments by normally investing in a variety of U.S. equity funds and, from time to time, a money market fund. In addition, the fund may invest in individual securities on a limited basis. The goal is to maintain broad exposure to several markets in an attempt to reduce the impact of markets that are declining and to benefit from strong performance in particular market segments over time.

The various underlying funds and any individual securities focus on the U.S. stock market. The fund’s focus on U.S. stocks is represented by a diversified mix of underlying funds that employ growth and value investment approaches and consist of small-cap, mid-cap, and large-cap stocks.

The adviser decides how much of the fund’s assets to allocate to particular underlying funds and asset classes based on the outlook for, and on the relative valuations of, the underlying funds and the various markets and asset classes in which they invest. The adviser weights such factors as the outlook for inflation and the global economy; corporate earnings; relative values and prospects for growth and value stocks, market capitalizations, and certain industries; and the overall outlook for U.S. stocks.

The adviser periodically reviews the mix of underlying funds and the percentages allocated to them. The fund may sell shares of the underlying funds for a variety of reasons, including to realize gains, limit losses, or redeploy assets into more promising opportunities.

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’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. The fund’s performance information included in the table is compared with a regulatory required index that represents an overall securities market (Regulatory Benchmark). In addition, the table may also include one or more indexes that more closely aligns to the fund’s investment strategy (Strategy Benchmark(s)).
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

6/30/20

20.92%

 

Worst Quarter

3/31/20

-21.60%

 
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns Periods ended December 31, 2024
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 One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown only for the Investor Class and will differ for other share classes.
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. The fund’s performance information included in the table is compared with a regulatory required index that represents an overall securities market (Regulatory Benchmark). In addition, the table may also include one or more indexes that more closely aligns to the fund’s investment strategy (Strategy Benchmark(s)).

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. After-tax returns are shown only for the Investor Class and will differ for other share classes.

Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock Updated performance information is available through troweprice.com.
T. Rowe Price Spectrum Diversified 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 Spectrum Diversified Equity Fund | Active management/Asset allocation  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Active management/Asset allocation: The fund’s overall level of risk will directly correspond to the risks of the underlying funds in which it invests. By investing in many underlying funds, the

fund has partial exposure to the risks of different areas of the market. However, the selection of the underlying funds and the allocation of the fund’s assets among the various asset classes, market sectors, and investment styles represented by those underlying funds could cause the fund to underperform other funds with a similar benchmark or investment objective(s).

T. Rowe Price Spectrum Diversified Equity Fund | Investments in other funds  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Investments in other funds: The fund bears the risk that its underlying funds will fail to successfully employ their investment strategies. One or more underlying fund’s underperformance or failure to meet its investment objective(s) as intended could cause the fund to underperform similarly managed funds.

T. Rowe Price Spectrum Diversified 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 an underlying fund, particular industries, or the overall securities markets. A variety of factors can increase the volatility of an underlying 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 Spectrum Diversified Equity Fund | Stock exposure  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Stock exposure: An underlying stock fund’s share price can fall because of weakness in the overall stock markets, a particular industry, or specific holdings. 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 an underlying stock fund may decline due to general weakness or volatility in the stock markets, adverse conditions impacting a particular industry or market sector, or factors affecting an investment style or market capitalization targeted by the fund.

 
T. Rowe Price Spectrum Diversified Equity Fund | Market capitalization  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Market capitalization: Because the fund invests in certain underlying funds that focus on a particular market capitalization, its share price may be negatively affected if investing in that market capitalization falls out of favor. Small- and mid-cap companies often have less experienced management, more limited financial resources, and less publicly available information than large-cap companies, and tend to be more sensitive to changes in overall economic conditions. As a result, investments in small-cap and mid-cap companies are likely to be more volatile than investments in large-cap companies. However, large-cap companies may not be able to attain the high growth rates of successful smaller companies, especially during strong economic periods, and they may be less capable of responding quickly to competitive challenges and industry changes.

T. Rowe Price Spectrum Diversified Equity Fund | Investment style  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Investment style: Because the fund invests in certain underlying funds that focus on growth stocks and certain underlying funds that focus on value stocks, its share price may be negatively

affected if either investing approach falls out of favor. Growth stocks tend to be more volatile than the overall stock market and are more sensitive to changes in current or expected earnings. Value stocks carry the risk that investors 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 Spectrum Diversified Equity Fund | Dividend-paying stocks  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Dividend-paying stocks: To the extent the fund invests in an underlying fund that focuses on dividend-paying stocks, it is exposed to greater volatility and the risk of stock market declines that could cause the fund to underperform funds with similar objectives. Stocks of established companies paying high dividends may not participate in a broad market advance to the same degree as most other stocks, and a sharp rise in interest rates could cause a company to reduce or eliminate its dividend.

T. Rowe Price Spectrum Diversified 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 Spectrum Diversified Equity Fund | Russell 3000® Index  
Risk/Return: rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Russell 3000® Index [1]
T. Rowe Price Spectrum Diversified Equity Fund | Russell 3000® Index  
Risk/Return: rr_RiskReturnAbstract  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, or taxes)
Label rr_AverageAnnualReturnLabel Russell 3000® Index
T. Rowe Price Spectrum Diversified Equity Fund | Russell 3000® Index  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 23.81%
5 Years rr_AverageAnnualReturnYear05 13.86%
10 Years rr_AverageAnnualReturnYear10 12.55%
Since Inception rr_AverageAnnualReturnSinceInception 9.89% [2]
T. Rowe Price Spectrum Diversified Equity Fund | Combined Index Portfolio Net  
Risk/Return: rr_RiskReturnAbstract  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees and expenses) [3]
Label rr_AverageAnnualReturnLabel Combined Index Portfolio Net [3]
T. Rowe Price Spectrum Diversified Equity Fund | Combined Index Portfolio Net  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 21.52%
5 Years rr_AverageAnnualReturnYear05 12.47%
10 Years rr_AverageAnnualReturnYear10 11.03%
Since Inception rr_AverageAnnualReturnSinceInception 8.67% [2]
T. Rowe Price Spectrum Diversified Equity Fund | S&P 500 Index  
Risk/Return: rr_RiskReturnAbstract  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, or taxes)
Label rr_AverageAnnualReturnLabel S&P 500 Index
T. Rowe Price Spectrum Diversified Equity Fund | S&P 500 Index  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 25.02%
5 Years rr_AverageAnnualReturnYear05 14.53%
10 Years rr_AverageAnnualReturnYear10 13.10%
Since Inception rr_AverageAnnualReturnSinceInception 11.37% [2]
T. Rowe Price Spectrum Diversified Equity Fund | Lipper Multi-Cap Core Funds Index  
Risk/Return: rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Lipper Multi-Cap Core Funds Index
T. Rowe Price Spectrum Diversified Equity Fund | Lipper Multi-Cap Core Funds Index  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 20.51%
5 Years rr_AverageAnnualReturnYear05 12.89%
10 Years rr_AverageAnnualReturnYear10 11.30%
Since Inception rr_AverageAnnualReturnSinceInception 8.68% [2]
T. Rowe Price Spectrum Diversified Equity Fund | Investor Class  
Risk/Return: rr_RiskReturnAbstract  
Maximum account fee rr_MaximumAccountFee $ 20 [4]
Management fees rr_ManagementFeesOverAssets 0.73%
Other expenses rr_OtherExpensesOverAssets none
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 0.74% [5]
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%)
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 0.73% [5]
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees The figures shown in the fee table do not match the “Ratios to average net assets” shown in the Financial Highlights table, as those figures do not include acquired fund fees and expenses.
1 Year rr_ExpenseExampleYear01 $ 75
3 Years rr_ExpenseExampleYear03 233
5 Years rr_ExpenseExampleYear05 406
10 Years rr_ExpenseExampleYear10 $ 906
Annual Return 2015 rr_AnnualReturn2015 0.75%
Annual Return 2016 rr_AnnualReturn2016 7.84%
Annual Return 2017 rr_AnnualReturn2017 25.52%
Annual Return 2018 rr_AnnualReturn2018 (8.53%)
Annual Return 2019 rr_AnnualReturn2019 27.03%
Annual Return 2020 rr_AnnualReturn2020 18.38%
Annual Return 2021 rr_AnnualReturn2021 20.58%
Annual Return 2022 rr_AnnualReturn2022 (18.76%)
Annual Return 2023 rr_AnnualReturn2023 20.88%
Annual Return 2024 rr_AnnualReturn2024 16.95%
Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 20.92%
Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (21.60%)
1 Year rr_AverageAnnualReturnYear01 16.95%
5 Years rr_AverageAnnualReturnYear05 10.39%
10 Years rr_AverageAnnualReturnYear10 10.02%
Inception Date rr_AverageAnnualReturnInceptionDate Jun. 29, 1990
T. Rowe Price Spectrum Diversified Equity Fund | Investor Class | After Taxes on Distributions  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 15.24%
5 Years rr_AverageAnnualReturnYear05 8.30%
10 Years rr_AverageAnnualReturnYear10 7.80%
T. Rowe Price Spectrum Diversified Equity Fund | Investor Class | After Taxes on Distributions and Sales  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 11.30%
5 Years rr_AverageAnnualReturnYear05 7.87%
10 Years rr_AverageAnnualReturnYear10 7.55%
T. Rowe Price Spectrum Diversified Equity Fund | I Class  
Risk/Return: rr_RiskReturnAbstract  
Maximum account fee rr_MaximumAccountFee none
Management fees rr_ManagementFeesOverAssets 0.58%
Other expenses rr_OtherExpensesOverAssets none
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 0.59% [5]
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%)
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 0.58% [5]
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees The figures shown in the fee table do not match the “Ratios to average net assets” shown in the Financial Highlights table, as those figures do not include acquired fund fees and expenses.
1 Year rr_ExpenseExampleYear01 $ 59
3 Years rr_ExpenseExampleYear03 186
5 Years rr_ExpenseExampleYear05 324
10 Years rr_ExpenseExampleYear10 $ 726
1 Year rr_AverageAnnualReturnYear01 17.08%
Since Inception rr_AverageAnnualReturnSinceInception 6.08%
Inception Date rr_AverageAnnualReturnInceptionDate May 03, 2021
[1] Due to new SEC Rules on shareholder reporting, the fund adopted a new broad-based securities market index, referred to as the Regulatory Benchmark.
[2] Return since 5/3/21.
[3] Combined Index Portfolio is an unmanaged blended benchmark that from 8/1/12 through 3/10/15, the blended benchmark was composed of 70% the Russell 3000® Index and 30% the MSCI All Country World ex USA Index Net. From 3/11/15 to 3/31/20, the blended benchmark was composed of the Russell 3000® Index (ranging from 82.90%-70%) and the MSCI All Country World Index ex USA Investable Market Index Net (ranging from 30%-17.10%). Since 4/1/20, the blended benchmark has been composed of 85% Russell 3000® Index and 15% MSCI All Country World Index ex USA Investable Market Index Net. The indices and percentages may vary over time.
[4]

Subject to certain exceptions and account minimums, accounts are charged an annual $20 fee.

[5]

The figures shown in the fee table do not match the “Ratios to average net assets” shown in the Financial Highlights table, as those figures do not include acquired fund fees and expenses.