| 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 Exchange-Traded Funds, Inc. |
| Entity Central Index Key | 0001795351 |
| 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 Exchange-Traded Funds, Inc. |
| Entity Central Index Key | 0001795351 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| C000226980 | |
| Shareholder Report [Line Items] | |
| Fund Name | U.S. Equity Research ETF |
| Trading Symbol | TSPA |
| Security Exchange Name | NYSE |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report contains important information about U.S. Equity Research ETF ("the fund") for the period of January 1, 2024 to June 30, 2024. |
| 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 |
| Additional Information Phone Number | 1-800-638-5660 |
| Additional Information Email | info@troweprice.com</span>" id="sjs-B19"><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 | <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/prospectus</span></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;"><span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/prospectus</span></span> |
| Expenses [Text Block] | What were the fund costs for the last year? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment U.S. Equity Research ETF $18 0.34% |
| Expenses Paid, Amount | $ 18 |
| Expense Ratio, Percent | 0.34% |
| AssetsNet | $ 730,051,000 |
| Holdings Count | Holding | 339 |
| InvestmentCompanyPortfolioTurnover | 23.20% |
| Additional Fund Statistics [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $730,051 Number of Portfolio Holdings 339 Portfolio Turnover Rate 23.2% |
| Holdings [Text Block] | Sector Allocation Information Technology 32.4 % Financials 12.8 Health Care 12.4 Consumer Discretionary 9.9 Communication Services 9.2 Industrials & Business Services 7.4 Consumer Staples 5.7 Energy 3.8 Utilities 2.2 Other 4.2 |
| Material Fund Change [Text Block] |
| Shareholder Report, Holdings (Details) - C000226980 | Jun. 30, 2024 |
| FR_594918104 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.30% |
| FR_67066G104 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.10% |
| FR_037833100 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.80% |
| FR_02079K107 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| FR_023135106 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| FR_30303M102 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| FR_532457108 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| FR_11135F101 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| FR_88160R101 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| FR_30231G102 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Information Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.40% |
| Financials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.80% |
| Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.40% |
| Consumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Communication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.20% |
| Industrials & Business Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.40% |
| Consumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| Energy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Utilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
