v3.26.1
Shareholder Report
 6 Months Ended
Jun. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name T. ROWE PRICE REAL ESTATE FUND, INC.
Entity Central Index Key 0001046404
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000005479  
Shareholder Report [Line Items]  
Fund Name Real Estate Fund
Class Name Investor Class
Trading Symbol TRREX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Real Estate Fund (the "fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Real Estate Fund - Investor Class
$49
0.93%
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.93%
Updated Performance Information Location [Text Block]

If you invest directly with T. Rowe Price, you can elect to receive future shareholder reports or other important documents through electronic delivery by enrolling at www.troweprice.com/paperless. If you invest through a financial intermediary such as an investment advisor, a bank, retirement plan sponsor or a brokerage firm, please contact that organization and ask if it can provide electronic delivery.

Visit www.troweprice.com/en/us/market-data-disclosures for additional legal notices & disclaimers.
AssetsNet $ 657,757,000
Holdings Count | Holding 42
InvestmentCompanyPortfolioTurnover 2.60%
Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)
$657,757
Number of Portfolio Holdings
42
Additional Fund Statistics Significance or Limits [Text Block]
Table Summary
Portfolio Turnover Rate
2.6%
Holdings [Text Block]

Industry Allocation (as a % of Net Assets)

Table Summary
Apartment Residential
17.7%
Health Care
17.1
Industrial
15.8
Data Centers
11.4
Infrastructure
8.7
Self Storage
8.2
Shopping Center
7.1
Regional Mall
4.5
Office
2.9
Other
6.6
Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Welltower
11.8%
Equinix
10.4
Prologis
7.3
American Tower
5.9
Public Storage
5.4
Simon Property Group
4.6
Ventas
4.1
Essex Property Trust
4.1
Regency Centers
3.7
Rexford Industrial Realty
2.9
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless
C000005480  
Shareholder Report [Line Items]  
Fund Name Real Estate Fund
Class Name Advisor Class
Trading Symbol PAREX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Real Estate Fund (the "fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Real Estate Fund - Advisor Class
$63
1.19%
Expenses Paid, Amount $ 63
Expense Ratio, Percent 1.19%
Updated Performance Information Location [Text Block]

If you invest directly with T. Rowe Price, you can elect to receive future shareholder reports or other important documents through electronic delivery by enrolling at www.troweprice.com/paperless. If you invest through a financial intermediary such as an investment advisor, a bank, retirement plan sponsor or a brokerage firm, please contact that organization and ask if it can provide electronic delivery.

Visit www.troweprice.com/en/us/market-data-disclosures for additional legal notices & disclaimers.
AssetsNet $ 657,757,000
Holdings Count | Holding 42
InvestmentCompanyPortfolioTurnover 2.60%
Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)
$657,757
Number of Portfolio Holdings
42
Additional Fund Statistics Significance or Limits [Text Block]
Table Summary
Portfolio Turnover Rate
2.6%
Holdings [Text Block]

Industry Allocation (as a % of Net Assets)

Table Summary
Apartment Residential
17.7%
Health Care
17.1
Industrial
15.8
Data Centers
11.4
Infrastructure
8.7
Self Storage
8.2
Shopping Center
7.1
Regional Mall
4.5
Office
2.9
Other
6.6
Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Welltower
11.8%
Equinix
10.4
Prologis
7.3
American Tower
5.9
Public Storage
5.4
Simon Property Group
4.6
Ventas
4.1
Essex Property Trust
4.1
Regency Centers
3.7
Rexford Industrial Realty
2.9
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless
C000166334  
Shareholder Report [Line Items]  
Fund Name Real Estate Fund
Class Name I Class
Trading Symbol TIRRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Real Estate Fund (the "fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Real Estate Fund - I Class
$33
0.63%
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.63%
Updated Performance Information Location [Text Block]

If you invest directly with T. Rowe Price, you can elect to receive future shareholder reports or other important documents through electronic delivery by enrolling at www.troweprice.com/paperless. If you invest through a financial intermediary such as an investment advisor, a bank, retirement plan sponsor or a brokerage firm, please contact that organization and ask if it can provide electronic delivery.

Visit www.troweprice.com/en/us/market-data-disclosures for additional legal notices & disclaimers.
AssetsNet $ 657,757,000
Holdings Count | Holding 42
InvestmentCompanyPortfolioTurnover 2.60%
Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)
$657,757
Number of Portfolio Holdings
42
Additional Fund Statistics Significance or Limits [Text Block]
Table Summary
Portfolio Turnover Rate
2.6%
Holdings [Text Block]

Industry Allocation (as a % of Net Assets)

Table Summary
Apartment Residential
17.7%
Health Care
17.1
Industrial
15.8
Data Centers
11.4
Infrastructure
8.7
Self Storage
8.2
Shopping Center
7.1
Regional Mall
4.5
Office
2.9
Other
6.6
Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Welltower
11.8%
Equinix
10.4
Prologis
7.3
American Tower
5.9
Public Storage
5.4
Simon Property Group
4.6
Ventas
4.1
Essex Property Trust
4.1
Regency Centers
3.7
Rexford Industrial Realty
2.9
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless