| Form N-CSR Cover | 6 Months Ended |
| Jun. 30, 2024 | |
| 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, 2024 |
| Shareholder Report | 6 Months Ended |
| Jun. 30, 2024 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, 2024 |
| 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, 2024 to June 30, 2024. 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 at www.troweprice.com/prospectus info troweprice.com |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| 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 at www.troweprice.com/prospectus info troweprice.com |
| Material Fund Change Notice [Text Block] | |
| Additional Information Phone Number | 1‑800‑638‑5660 |
| Additional Information Email | info@troweprice.com</span>" id="sjs-B20"><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;">info@troweprice.com</span> |
| Additional Information Website | www.troweprice.com/prospectus</span>" id="sjs-B21"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 700; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/prospectus</span> |
| Expenses [Text Block] | What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Real Estate Fund - Investor Class $44 0.89% |
| Expenses Paid, Amount | $ 44 |
| Expense Ratio, Percent | 0.89% |
| 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 |
| AssetsNet | $ 759,290,000 |
| Holdings Count | Holding | 40 |
| InvestmentCompanyPortfolioTurnover | 3.20% |
| Additional Fund Statistics [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $759,290 Number of Portfolio Holdings 40 |
| Additional Fund Statistics Significance or Limits [Text Block] | Portfolio Turnover Rate 3.2% |
| Holdings [Text Block] | Industry Allocation Apartment Residential 21.2 % Industrial 17.1 Infrastructure 12.6 Self Storage 8.9 Health Care 8.8 Data Centers 7.9 Shopping Center 7.0 Regional Mall 4.0 Agriculture/Land 3.4 Other 9.1 |
| Largest Holdings [Text Block] | Top Ten Holdings Equinix 7.9 % American Tower 7.9 Prologis 7.8 Public Storage 5.7 Welltower 5.0 Essex Property Trust 4.1 Simon Property Group 4.0 Regency Centers 4.0 AvalonBay Communities 3.6 Rexford Industrial Realty 3.5 |
| Material Fund Change [Text Block] | |
| Updated Prospectus Web Address | www.troweprice.com/paperless</span>" id="sjs-B34"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/paperless</span> |
| 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, 2024 to June 30, 2024. 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 at www.troweprice.com/prospectus info troweprice.com |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| 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 at www.troweprice.com/prospectus info troweprice.com |
| Material Fund Change Notice [Text Block] | |
| Additional Information Phone Number | 1‑800‑638‑5660 |
| Additional Information Email | info@troweprice.com</span>" id="sjs-B45"><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;">info@troweprice.com</span> |
| Additional Information Website | www.troweprice.com/prospectus</span>" id="sjs-B46"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 700; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/prospectus</span> |
| Expenses [Text Block] | What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Real Estate Fund - Advisor Class $58 1.18% |
| Expenses Paid, Amount | $ 58 |
| Expense Ratio, Percent | 1.18% |
| 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 |
| AssetsNet | $ 759,290,000 |
| Holdings Count | Holding | 40 |
| InvestmentCompanyPortfolioTurnover | 3.20% |
| Additional Fund Statistics [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $759,290 Number of Portfolio Holdings 40 |
| Additional Fund Statistics Significance or Limits [Text Block] | Portfolio Turnover Rate 3.2% |
| Holdings [Text Block] | Industry Allocation Apartment Residential 21.2 % Industrial 17.1 Infrastructure 12.6 Self Storage 8.9 Health Care 8.8 Data Centers 7.9 Shopping Center 7.0 Regional Mall 4.0 Agriculture/Land 3.4 Other 9.1 |
| Largest Holdings [Text Block] | Top Ten Holdings Equinix 7.9 % American Tower 7.9 Prologis 7.8 Public Storage 5.7 Welltower 5.0 Essex Property Trust 4.1 Simon Property Group 4.0 Regency Centers 4.0 AvalonBay Communities 3.6 Rexford Industrial Realty 3.5 |
| Material Fund Change [Text Block] | |
| Updated Prospectus Web Address | www.troweprice.com/paperless</span>" id="sjs-B59"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/paperless</span> |
| 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, 2024 to June 30, 2024. 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 at www.troweprice.com/prospectus info troweprice.com |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| 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 at www.troweprice.com/prospectus info troweprice.com |
| Material Fund Change Notice [Text Block] | |
| Additional Information Phone Number | 1‑800‑638‑5660 |
| Additional Information Email | info@troweprice.com</span>" id="sjs-B70"><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;">info@troweprice.com</span> |
| Additional Information Website | www.troweprice.com/prospectus</span>" id="sjs-B71"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 700; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/prospectus</span> |
| Expenses [Text Block] | What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Real Estate Fund - I Class $31 0.63% |
| Expenses Paid, Amount | $ 31 |
| 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 |
| AssetsNet | $ 759,290,000 |
| Holdings Count | Holding | 40 |
| InvestmentCompanyPortfolioTurnover | 3.20% |
| Additional Fund Statistics [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $759,290 Number of Portfolio Holdings 40 |
| Additional Fund Statistics Significance or Limits [Text Block] | Portfolio Turnover Rate 3.2% |
| Holdings [Text Block] | Industry Allocation Apartment Residential 21.2 % Industrial 17.1 Infrastructure 12.6 Self Storage 8.9 Health Care 8.8 Data Centers 7.9 Shopping Center 7.0 Regional Mall 4.0 Agriculture/Land 3.4 Other 9.1 |
| Largest Holdings [Text Block] | Top Ten Holdings Equinix 7.9 % American Tower 7.9 Prologis 7.8 Public Storage 5.7 Welltower 5.0 Essex Property Trust 4.1 Simon Property Group 4.0 Regency Centers 4.0 AvalonBay Communities 3.6 Rexford Industrial Realty 3.5 |
| Material Fund Change [Text Block] | |
| Updated Prospectus Web Address | www.troweprice.com/paperless</span>" id="sjs-B84"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/paperless</span> |
| Shareholder Report, Holdings (Details) | Jun. 30, 2024 |
| C000005479 | Equinix | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| C000005479 | American Tower | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| C000005479 | Prologis | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| C000005479 | Public Storage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| C000005479 | Welltower | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000005479 | Essex Property Trust | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000005479 | Simon Property Group | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000005479 | Regency Centers | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000005479 | AvalonBay Communities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| C000005479 | Rexford Industrial Realty | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| C000005479 | Apartment Residential | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.20% |
| C000005479 | Industrial | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.10% |
| C000005479 | Infrastructure | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.60% |
| C000005479 | Self Storage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.90% |
| C000005479 | Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.80% |
| C000005479 | Data Centers | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| C000005479 | Shopping Center | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| C000005479 | Regional Mall | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000005479 | Agriculture/Land | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| C000005480 | Equinix | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| C000005480 | American Tower | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| C000005480 | Prologis | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| C000005480 | Public Storage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| C000005480 | Welltower | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000005480 | Essex Property Trust | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000005480 | Simon Property Group | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000005480 | Regency Centers | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000005480 | AvalonBay Communities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| C000005480 | Rexford Industrial Realty | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| C000005480 | Apartment Residential | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.20% |
| C000005480 | Industrial | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.10% |
| C000005480 | Infrastructure | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.60% |
| C000005480 | Self Storage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.90% |
| C000005480 | Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.80% |
| C000005480 | Data Centers | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| C000005480 | Shopping Center | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| C000005480 | Regional Mall | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000005480 | Agriculture/Land | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| C000166334 | Equinix | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| C000166334 | American Tower | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| C000166334 | Prologis | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.80% |
| C000166334 | Public Storage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| C000166334 | Welltower | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| C000166334 | Essex Property Trust | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000166334 | Simon Property Group | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000166334 | Regency Centers | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000166334 | AvalonBay Communities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| C000166334 | Rexford Industrial Realty | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| C000166334 | Apartment Residential | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.20% |
| C000166334 | Industrial | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.10% |
| C000166334 | Infrastructure | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.60% |
| C000166334 | Self Storage | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.90% |
| C000166334 | Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.80% |
| C000166334 | Data Centers | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.90% |
| C000166334 | Shopping Center | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| C000166334 | Regional Mall | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000166334 | Agriculture/Land | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
