| Form N-CSR Cover | 12 Months Ended |
| Oct. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| 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 | Oct. 31, 2024 |
| Shareholder Report | 12 Months Ended |
| Oct. 31, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| 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 | Oct. 31, 2024 |
| C000249324 | |
| Shareholder Report [Line Items] | |
| Fund Name | Intermediate Municipal Income ETF |
| Trading Symbol | TAXE |
| Security Exchange Name | NASDAQ |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Intermediate Municipal Income ETF ("the fund") for the period of July 9, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | 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 | www.troweprice.com/prospectus |
| Expenses [Text Block] | What were the fund costs for the last year Fund name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Intermediate Municipal Income ETF $8 0.24% |
| Expenses Paid, Amount | $ 8 |
| Expense Ratio, Percent | 0.24% |
| AssetsNet | $ 22,531,000 |
| Holdings Count | Holding | 85 |
| Advisory Fees Paid, Amount | $ 16,000 |
| InvestmentCompanyPortfolioTurnover | 91.60% |
| Additional Fund Statistics [Text Block] | What are some fund statistics? Fund Statistics Total Net Assets (000s) $22,531 Number of Portfolio Holdings 85 Investment Advisory Fees Paid (000s) $16 Portfolio Turnover Rate 91.6% |
| Holdings [Text Block] | Credit Quality Allocation* AAA Rated 6.2 % AA Rated 33.4 A Rated 32.9 BBB Rated 17.2 BB Rated 4.6 B Rated 0.3 Not Rated 5.4 *Credit ratings for the securities held in the Fund are provided by Moody's, Standard & Poor's, and Fitch and are converted to the Standard & Poor's nomenclature. A rating of AAA represents the highest-rated securities, and a rating of D represents the lowest rated securities. If the ratings agencies differ, the highest rating is applied to the security. If a rating is not available, the security is classified as Not Rated. The rating of the underlying investment vehicle is used to determine the creditworthiness of credit default swaps and sovereign securities. The Fund is not rated by any agency. |
| Largest Holdings [Text Block] | Industry Allocation Health Care 27.1 % Transportation 21.3 Housing 10.3 General Obligations - State 6.9 Education 5.5 Water & Sewer 4.7 Special Tax 4.7 Leasing 3.8 Electric 3.3 Other 12.4 |
| Material Fund Change [Text Block] |
| Shareholder Report, Holdings (Details) - C000249324 | Oct. 31, 2024 |
| AAA Rated | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.20% |
| AA Rated | |
| Holdings [Line Items] | |
| Percent of Total Investments | 33.40% |
| A Rated | |
| Holdings [Line Items] | |
| Percent of Total Investments | 32.90% |
| BBB Rated | |
| Holdings [Line Items] | |
| Percent of Total Investments | 17.20% |
| BB Rated | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.60% |
| B Rated | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.30% |
| Not Rated | |
| Holdings [Line Items] | |
| Percent of Total Investments | 5.40% |
| Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.10% |
| Transportation | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.30% |
| Housing | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.30% |
| General Obligations - State | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Education | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| Water & Sewer | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| Special Tax | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| Leasing | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Electric | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
