Investment Risks - T. Rowe Price U.S. Equity Research Fund	Feb. 25, 2026
Market conditions [Member]
Prospectus [Line Items]
Risk [Text Block]	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 geopolitical developments (such as trade and tariff arrangements, sanctions, and cybersecurity attacks), 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. 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 [Member]
Prospectus [Line Items]
Risk [Text Block]	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.
Sector exposure [Member]
Prospectus [Line Items]
Risk [Text Block]	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.
Information Technology Sector [Member]
Prospectus [Line Items]
Risk [Text Block]	Information technology sector: Information technology companies face intense competition, both domestically and internationally, which may have an adverse effect on their profit margins. Like other technology companies, information technology companies may have limited product lines, markets, financial resources, or personnel.
Index correlation [Member]
Prospectus [Line Items]
Risk [Text Block]	Index correlation: Because the fund weights each sector and industry similar to the Index, the fund’s ability to broadly reallocate its portfolio due to changes in outlook for a particular sector or industry is less than other actively managed funds with greater flexibility to overweight or underweight certain industries due to changes in market conditions. As a result, the fund’s performance may lag the performance of other actively managed funds with more flexible investment programs.
Large-cap stocks [Member]
Prospectus [Line Items]
Risk [Text Block]	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.
Active management [Member]
Prospectus [Line Items]
Risk [Text Block]	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.
Cybersecurity breaches [Member]
Prospectus [Line Items]
Risk [Text Block]	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.
Risk Lose Money [Member]
Prospectus [Line Items]
Risk [Text Block]	The fund’s share price fluctuates, which means you could lose money by investing in the fund.

Investment Risks - T. Rowe Price U.S. Equity Research Fund

Feb. 25, 2026

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 geopolitical developments (such as trade and tariff arrangements, sanctions, and cybersecurity attacks), 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. 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.

Prospectus [Line Items]

Risk [Text Block]

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.

Sector exposure [Member]

Prospectus [Line Items]

Risk [Text Block]

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.

Information Technology Sector [Member]

Prospectus [Line Items]

Risk [Text Block]

Information technology sector: Information technology companies face intense competition, both domestically and internationally, which may have an adverse effect on their profit margins. Like other technology companies, information technology companies may have limited product lines, markets, financial resources, or personnel.

Index correlation [Member]

Prospectus [Line Items]

Risk [Text Block]

Index correlation: Because the fund weights each sector and industry similar to the Index, the fund’s ability to broadly reallocate its portfolio due to changes in outlook for a particular sector or industry is less than other actively managed funds with greater flexibility to overweight or underweight certain industries due to changes in market conditions. As a result, the fund’s performance may lag the performance of other actively managed funds with more flexible investment programs.

Large-cap stocks [Member]

Prospectus [Line Items]

Risk [Text Block]

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.

Active management [Member]

Prospectus [Line Items]

Risk [Text Block]

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.

Cybersecurity breaches [Member]

Prospectus [Line Items]

Risk [Text Block]

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.

Risk Lose Money [Member]

Prospectus [Line Items]

Risk [Text Block]

The fund’s share price fluctuates, which means you could lose money by investing in the fund.