| 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 RETIREMENT FUNDS, INC. |
| Entity Central Index Key | 0001177017 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| Shareholder Report | 5 Months Ended | 6 Months Ended |
| Jun. 30, 2024 USD ($) Holding | Jun. 30, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | ||
| Document Type | N-CSRS | |
| Amendment Flag | false | |
| Registrant Name | T. ROWE PRICE RETIREMENT FUNDS, INC. | |
| Entity Central Index Key | 0001177017 | |
| Entity Investment Company Type | N-1A | |
| Document Period End Date | Jun. 30, 2024 | |
| C000247281 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Retirement Income 2025 Fund | |
| Class Name | Investor Class | |
| Trading Symbol | TRAVX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Retirement Income 2025 Fund (the "fund") for the period of January 17, 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 Retirement Income 2025 Fund - Investor Class $25 0.54% | |
| Expenses Paid, Amount | $ 25 | |
| Expense Ratio, Percent | 0.54% | |
| 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 | $ 4,931,000 | $ 4,931,000 |
| Holdings Count | Holding | 27 | 27 |
| InvestmentCompanyPortfolioTurnover | 22.70% | |
| Additional Fund Statistics [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $4,931 Number of Portfolio Holdings 27 | |
| Additional Fund Statistics Significance or Limits [Text Block] | Portfolio Turnover Rate 22.7% | |
| Holdings [Text Block] | Asset Allocation Domestic Equity Funds 43.4 % Domestic Bond Funds 28.8 International Equity Funds 14.6 International Bond Funds 11.4 Short-Term and Other 1.8 | |
| Largest Holdings [Text Block] | Top Ten Holdings T. Rowe Price New Income Fund 13.2 % T. Rowe Price Limited Duration Inflation Focused Bond Fund 8.9 T. Rowe Price Value Fund 8.4 T. Rowe Price Growth Stock Fund 8.2 T. Rowe Price U.S. Large-Cap Core Fund 5.7 T. Rowe Price Equity Index 500 Fund 5.4 T. Rowe Price Hedged Equity Fund 5.2 T. Rowe Price International Bond Fund (USD Hedged) 4.5 T. Rowe Price Overseas Stock Fund 4.1 T. Rowe Price International Value Equity Fund 4.0 | |
| 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> | |
| C000247282 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Retirement Income 2025 Fund | |
| Class Name | I Class | |
| Trading Symbol | TRATX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Retirement Income 2025 Fund (the "fund") for the period of January 17, 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 Retirement Income 2025 Fund - I Class $18 0.38% | |
| Expenses Paid, Amount | $ 18 | |
| Expense Ratio, Percent | 0.38% | |
| 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 | $ 4,931,000 | $ 4,931,000 |
| Holdings Count | Holding | 27 | 27 |
| InvestmentCompanyPortfolioTurnover | 22.70% | |
| Additional Fund Statistics [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $4,931 Number of Portfolio Holdings 27 | |
| Additional Fund Statistics Significance or Limits [Text Block] | Portfolio Turnover Rate 22.7% | |
| Holdings [Text Block] | Asset Allocation Domestic Equity Funds 43.4 % Domestic Bond Funds 28.8 International Equity Funds 14.6 International Bond Funds 11.4 Short-Term and Other 1.8 | |
| Largest Holdings [Text Block] | Top Ten Holdings T. Rowe Price New Income Fund 13.2 % T. Rowe Price Limited Duration Inflation Focused Bond Fund 8.9 T. Rowe Price Value Fund 8.4 T. Rowe Price Growth Stock Fund 8.2 T. Rowe Price U.S. Large-Cap Core Fund 5.7 T. Rowe Price Equity Index 500 Fund 5.4 T. Rowe Price Hedged Equity Fund 5.2 T. Rowe Price International Bond Fund (USD Hedged) 4.5 T. Rowe Price Overseas Stock Fund 4.1 T. Rowe Price International Value Equity Fund 4.0 | |
| 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> |
| Shareholder Report, Holdings (Details) | Jun. 30, 2024 |
| C000247281 | T. Rowe Price New Income Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| C000247281 | T. Rowe Price Limited Duration Inflation Focused Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.90% |
| C000247281 | T. Rowe Price Value Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.40% |
| C000247281 | T. Rowe Price Growth Stock Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| C000247281 | T. Rowe Price U.S. Large-Cap Core Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| C000247281 | T. Rowe Price Equity Index 500 Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.40% |
| C000247281 | T. Rowe Price Hedged Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| C000247281 | T. Rowe Price International Bond Fund (USD Hedged) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| C000247281 | T. Rowe Price Overseas Stock Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000247281 | T. Rowe Price International Value Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000247281 | Domestic Equity Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 43.40% |
| C000247281 | Domestic Bond Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 28.80% |
| C000247281 | International Equity Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.60% |
| C000247281 | International Bond Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.40% |
| C000247282 | T. Rowe Price New Income Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| C000247282 | T. Rowe Price Limited Duration Inflation Focused Bond Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.90% |
| C000247282 | T. Rowe Price Value Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.40% |
| C000247282 | T. Rowe Price Growth Stock Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| C000247282 | T. Rowe Price U.S. Large-Cap Core Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| C000247282 | T. Rowe Price Equity Index 500 Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.40% |
| C000247282 | T. Rowe Price Hedged Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| C000247282 | T. Rowe Price International Bond Fund (USD Hedged) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| C000247282 | T. Rowe Price Overseas Stock Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| C000247282 | T. Rowe Price International Value Equity Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| C000247282 | Domestic Equity Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 43.40% |
| C000247282 | Domestic Bond Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 28.80% |
| C000247282 | International Equity Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.60% |
| C000247282 | International Bond Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.40% |
