| Shareholder Report | 6 Months Ended |
| Dec. 31, 2024 USD ($) Holding |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Principal Exchange-Traded Funds |
| Entity Central Index Key | 0001572661 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Dec. 31, 2024 |
| C000154646 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal Active High Yield ETF |
| Trading Symbol | YLD |
| Security Exchange Name | NYSEArca |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal Active High Yield ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B19"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B20"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal Active High Yield ETF $20 0.39% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 20 |
| Expense Ratio, Percent | 0.39% |
| AssetsNet | $ 267,864,685 |
| Holdings Count | Holding | 133 |
| InvestmentCompanyPortfolioTurnover | 24.50% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $267,864,685 Total Number of Portfolio Holdings 133 Portfolio Turnover Rate 24.5% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Consumer, Non-cyclical 19.62% Financial 16.18% Consumer, Cyclical 15.09% Energy 10.64% Basic Materials 9.82% Industrial 7.57% Communications 7.38% Utilities 6.93% Money Market Funds 6.71% Technology 4.23% Other Assets and Liabilities (4.17)% Total Net Assets 100.00% |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B29"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000166474 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal Quality ETF |
| Trading Symbol | PSET |
| Security Exchange Name | NASDAQ |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal Quality ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B40"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B41"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal Quality ETF $8 0.15% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 8 |
| Expense Ratio, Percent | 0.15% |
| AssetsNet | $ 58,636,285 |
| Holdings Count | Holding | 74 |
| InvestmentCompanyPortfolioTurnover | 0% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $58,636,285 Total Number of Portfolio Holdings 74 Portfolio Turnover Rate 0.0% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Technology 42.72% Industrial 16.60% Consumer, Non-cyclical 15.12% Communications 13.24% Consumer, Cyclical 8.09% Basic Materials 1.98% Financial 1.28% Energy 0.80% Money Market Funds 0.13% Other Assets and Liabilities 0.04% Total Net Assets 100.00% |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B50"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000166475 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal Value ETF |
| Trading Symbol | PY |
| Security Exchange Name | NASDAQ |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal Value ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B61"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B62"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal Value ETF $8 0.15% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 8 |
| Expense Ratio, Percent | 0.15% |
| AssetsNet | $ 80,685,201 |
| Holdings Count | Holding | 105 |
| InvestmentCompanyPortfolioTurnover | 38.70% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $80,685,201 Total Number of Portfolio Holdings 105 Portfolio Turnover Rate 38.7% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Financial 28.09% Technology 21.48% Industrial 12.83% Consumer, Non-cyclical 11.45% Energy 10.99% Consumer, Cyclical 7.89% Basic Materials 4.30% Communications 2.65% Money Market Funds 0.16% Other Assets and Liabilities 0.16% Total Net Assets 100.00% |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B71"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000172043 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal Spectrum Preferred Securities Active ETF |
| Trading Symbol | PREF |
| Security Exchange Name | NYSEArca |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal Spectrum Preferred Securities Active ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B82"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B83"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal Spectrum Preferred Securities Active ETF $28 0.55% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 28 |
| Expense Ratio, Percent | 0.55% |
| AssetsNet | $ 1,055,821,824 |
| Holdings Count | Holding | 117 |
| InvestmentCompanyPortfolioTurnover | 7.80% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $1,055,821,824 Total Number of Portfolio Holdings 117 Portfolio Turnover Rate 7.8% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Financial 77.68% Utilities 11.87% Energy 7.38% Money Market Funds 3.50% Government 0.07% Other Assets and Liabilities (0.50)% Total Net Assets 100.00% |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B92"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000173454 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal U.S. Small-Cap ETF |
| Trading Symbol | PSC |
| Security Exchange Name | NASDAQ |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal U.S. Small-Cap ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B103"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B104"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal U.S. Small-Cap ETF $20 0.38% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 20 |
| Expense Ratio, Percent | 0.38% |
| AssetsNet | $ 728,244,420 |
| Holdings Count | Holding | 502 |
| InvestmentCompanyPortfolioTurnover | 34.70% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $728,244,420 Total Number of Portfolio Holdings 502 Portfolio Turnover Rate 34.7% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Financial 23.28% Consumer, Non-cyclical 22.56% Industrial 17.82% Consumer, Cyclical 11.82% Technology 9.21% Energy 4.71% Communications 4.38% Basic Materials 3.15% Utilities 2.80% Money Market Funds 0.57% Other Assets and Liabilities (0.30)% Total Net Assets 100.00% |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B113"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000193921 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal U.S. Mega-Cap ETF |
| Trading Symbol | USMC |
| Security Exchange Name | NASDAQ |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal U.S. Mega-Cap ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B124"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B125"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal U.S. Mega-Cap ETF $6 0.12% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 6 |
| Expense Ratio, Percent | 0.12% |
| AssetsNet | $ 2,563,960,209 |
| Holdings Count | Holding | 26 |
| InvestmentCompanyPortfolioTurnover | 27.90% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $2,563,960,209 Total Number of Portfolio Holdings 26 Portfolio Turnover Rate 27.9% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Technology 24.40% Financial 21.92% Communications 18.34% Consumer, Non-cyclical 17.69% Consumer, Cyclical 13.33% Energy 4.14% Money Market Funds 0.16% Other Assets and Liabilities 0.02% Total Net Assets 100.00% |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B134"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000243208 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal Focused Blue Chip ETF |
| Trading Symbol | BCHP |
| Security Exchange Name | CboeBZX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal Focused Blue Chip ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B145"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B146"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal Focused Blue Chip ETF $30 0.58% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 30 |
| Expense Ratio, Percent | 0.58% |
| AssetsNet | $ 89,785,854 |
| Holdings Count | Holding | 24 |
| InvestmentCompanyPortfolioTurnover | 12.40% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $89,785,854 Total Number of Portfolio Holdings 24 Portfolio Turnover Rate 12.4% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Communications 31.52% Financial 24.59% Technology 23.19% Consumer, Non-cyclical 8.30% Consumer, Cyclical 7.63% Industrial 4.57% Money Market Funds 0.36% Other Assets and Liabilities (0.16)% Total Net Assets 100.00% |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B155"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000199630 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal Investment Grade Corporate Active ETF |
| Trading Symbol | IG |
| Security Exchange Name | NYSEArca |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal Investment Grade Corporate Active ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B166"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B167"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal Investment Grade Corporate Active ETF $10 0.19% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 10 |
| Expense Ratio, Percent | 0.19% |
| AssetsNet | $ 91,597,125 |
| Holdings Count | Holding | 206 |
| InvestmentCompanyPortfolioTurnover | 39.10% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $91,597,125 Total Number of Portfolio Holdings 206 Portfolio Turnover Rate 39.1% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Financial 38.70% Utilities 13.08% Consumer, Non-cyclical 9.60% Technology 8.50% Energy 7.63% Industrial 6.53% Communications 6.09% Consumer, Cyclical 5.36% Basic Materials 2.34% Money Market Funds 1.62% Other Assets and Liabilities Footnote Reference * 0.55% Total Net Assets 100.00% Footnote Description Footnote * Includes derivatives |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B176"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000219817 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal Spectrum Tax-Advantaged Dividend Active ETF |
| Trading Symbol | PQDI |
| Security Exchange Name | NYSEArca |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal Spectrum Tax-Advantaged Dividend Active ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B187"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B188"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal Spectrum Tax-Advantaged Dividend Active ETF $31 0.60% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 31 |
| Expense Ratio, Percent | 0.60% |
| AssetsNet | $ 35,908,055 |
| Holdings Count | Holding | 60 |
| InvestmentCompanyPortfolioTurnover | 10.50% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $35,908,055 Total Number of Portfolio Holdings 60 Portfolio Turnover Rate 10.5% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Financial 90.83% Utilities 2.97% Energy 2.47% Communications 1.52% Money Market Funds 1.37% Other Assets and Liabilities 0.84% Total Net Assets 100.00% |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B197"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000235507 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal Real Estate Active Opportunities ETF |
| Trading Symbol | BYRE |
| Security Exchange Name | NYSEArca |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal Real Estate Active Opportunities ETF (the "Fund") for the period of July 1, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B208"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B209"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal Real Estate Active Opportunities ETF $33 0.63% Footnote Reference * Footnote Description Footnote * Computed on an annualized basis. |
| Expenses Paid, Amount | $ 33 |
| Expense Ratio, Percent | 0.63% |
| AssetsNet | $ 11,773,152 |
| Holdings Count | Holding | 24 |
| InvestmentCompanyPortfolioTurnover | 17.70% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $11,773,152 Total Number of Portfolio Holdings 24 Portfolio Turnover Rate 17.7% |
| Holdings [Text Block] | Sector Allocation Sector Percent of Net Assets Financial 96.90% Consumer, Cyclical 1.53% Money Market Funds 1.19% Other Assets and Liabilities 0.38% Total Net Assets 100.00% |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B218"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
| C000254970 | |
| Shareholder Report [Line Items] | |
| Fund Name | Principal International Equity ETF |
| Trading Symbol | PIEQ |
| Security Exchange Name | CboeBZX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Principal International Equity ETF (the "Fund") for the period of November 5, 2024 to December 31, 2024. |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.PrincipalAM.com/ETFprospectuses 1-800-222-5852 prospectus principalfunds.com |
| Additional Information Phone Number | 1-800-222-5852 |
| Additional Information Email | prospectus@principalfunds.com</span>" id="sjs-B229"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">prospectus@principalfunds.com</span> |
| Additional Information Website | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B230"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Principal International Equity ETF $7 Footnote Reference * 0.48% Footnote Reference † Footnote Description Footnote * Expenses are for the period from November 5, 2024, date operations commenced, through December 31, 2024. Expenses for the full reporting period would be higher. Footnote † Computed on an annualized basis. |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.48% |
| AssetsNet | $ 39,661,336 |
| Holdings Count | Holding | 32 |
| InvestmentCompanyPortfolioTurnover | 3.70% |
| Additional Fund Statistics [Text Block] | Fund Statistics Net Assets $39,661,336 Total Number of Portfolio Holdings 32 Portfolio Turnover Rate 3.7% |
| Holdings [Text Block] | Geographic Allocation Top Locations Percent of Net Assets United Kingdom 19.59% United States 13.23% Japan 11.52% Canada 8.49% Germany 8.30% China 6.82% France 6.71% Ireland 4.12% Netherlands 3.93% Taiwan 3.72% South Korea 3.23% Greece 2.91% Hong Kong 2.84% Italy 2.63% Other Locations Footnote Reference * 1.95% Other Assets and Liabilities 0.01% Total Net Assets 100.00% Footnote Description Footnote * Includes locations other than the top twenty and/or Investment Companies. |
| Updated Prospectus Web Address | www.PrincipalAM.com/ETFprospectuses</span>" id="sjs-B239"><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: 16px; margin: 0px; overflow: visible; text-align: justify;">www.PrincipalAM.com/ETFprospectuses</span> |
| Accountant Change Statement [Text Block] | During the two most recent fiscal years or any subsequent interim period, there have been no changes in or disagreements with Accountants. |
