v3.26.3
Performance Management
Nov. 01, 2026
Principal Active High Yield ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund's shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund's average annual total returns compare with those of one or more broad measures of market performance.
Prior to September 1, 2021, the Fund was known as the Principal Active Income ETF, and the objective and strategy of the Fund differed from its current objective and strategy. Accordingly, performance of the Fund for periods prior to September 1, 2021 may not be representative of the performance the Fund would have achieved had the Fund been following its current objective and strategy.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance. The bar chart shows the investment returns of the Fund's shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund's average annual total returns compare with those of one or more broad measures of market performance.
Performance Additional Market Index [Text] The Bloomberg US Aggregate Index is the Fund's primary broad-based securities market index. The Bloomberg US Corporate High Yield 2% Issuer Capped Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Bar Chart [Heading] Total Returns as of December 31
Bar Chart Closing [Text Block]
Highest return for a quarter during the period of the bar chart above:
2Q 202012.56%
Lowest return for a quarter during the period of the bar chart above:
1Q 2020(19.62)%
Year-to-date return
3Q 2026
1.92%
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return 1.92%
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 12.56%
Highest Quarterly Return, Date Jun. 30, 2020
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return (19.62%)
Lowest Quarterly Return, Date Mar. 31, 2020
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor's tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deductions for fees, expenses, or taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
The Bloomberg US Aggregate Index is the Fund's primary broad-based securities market index. The Bloomberg US Corporate High Yield 2% Issuer Capped Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance.
Principal Capital Appreciation Select ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
No performance information is shown because the Fund has not yet had a calendar year of performance. The Fund's performance is benchmarked against the Russell 1000 Index. Performance information provides an indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance One Year or Less [Text] No performance information is shown because the Fund has not yet had a calendar year of performance.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal CLO ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
No performance information is shown because the Fund has not yet had a calendar year of performance. The Bloomberg US Aggregate Index is the Fund’s primary broad-based securities market index. The JP Morgan CLOIE AAA Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives. Performance information provides an indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance One Year or Less [Text] No performance information is shown because the Fund has not yet had a calendar year of performance.
Performance Additional Market Index [Text] The JP Morgan CLOIE AAA Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Equity Premium Income ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
No performance information is shown because the Fund has not yet had a calendar year of performance. The Russell 1000 Index is the Fund's primary broad-based securities market index. The Russell 1000 Value Index is included as an additional index for the Fund as it shows how the Fund's performance compares with returns of an index with similar investment objectives. Performance information provides an indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance One Year or Less [Text] No performance information is shown because the Fund has not yet had a calendar year of performance.
Performance Additional Market Index [Text] The Russell 1000 Value Index is included as an additional index for the Fund as it shows how the Fund's performance compares with returns of an index with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Finisterre Emerging Markets Diversified Income ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
No performance information is shown because the Fund has not yet had a calendar year of performance. The Bloomberg Global Aggregate Index is the Fund's primary broad-based securities market index. The JPM EMBI Equal Weighted Index is included as an additional index for the Fund as it shows how the Fund's performance compares with the returns of an index of funds with similar investment objectives. Performance information provides an indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance One Year or Less [Text] No performance information is shown because the Fund has not yet had a calendar year of performance.
Performance Additional Market Index [Text] The JPM EMBI Equal Weighted Index is included as an additional index for the Fund as it shows how the Fund's performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Focused Blue Chip ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund's shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Life of Fund returns are measured from the date the Fund's shares were first sold (July 12, 2023).
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.The bar chart shows the investment returns of the Fund's shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Performance Additional Market Index [Text] The Russell 1000 Index is the Fund's primary broad-based securities market index. The Russell 1000 Growth Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Bar Chart [Heading] Total Returns as of December 31
Bar Chart Closing [Text Block]
Highest return for a quarter during the period of the bar chart above:
2Q 202513.58%
Lowest return for a quarter during the period of the bar chart above:
1Q 2025(5.25)%
Year-to-date return
3Q 2026
(0.15)%
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return (0.15%)
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 13.58%
Highest Quarterly Return, Date Jun. 30, 2025
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return (5.25%)
Lowest Quarterly Return, Date Mar. 31, 2025
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown.
Performance Table Not Relevant to Tax Deferred The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deduction for fees, expenses, or taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
The Russell 1000 Index is the Fund's primary broad-based securities market index. The Russell 1000 Growth Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Growth ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
No performance information is shown because the Fund has not yet had a calendar year of performance. The Russell 1000 Index is the Fund's primary broad-based securities market index. The Russell 1000 Growth Index is included as an additional index for the Fund as it shows how the Fund's performance compares with returns of an index with similar investment objectives. Performance information provides an indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance One Year or Less [Text] No performance information is shown because the Fund has not yet had a calendar year of performance.
Performance Additional Market Index [Text] The Russell 1000 Growth Index is included as an additional index for the Fund as it shows how the Fund's performance compares with returns of an index with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Inflation Protection ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
No performance information is shown because the Fund has not yet had a calendar year of performance. The Bloomberg US Aggregate Index is the Fund’s primary broad-based securities market index. The Bloomberg US Treasury TIPS 0-5 Years Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives. Performance information provides an indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance One Year or Less [Text] No performance information is shown because the Fund has not yet had a calendar year of performance.
Performance Additional Market Index [Text] The Bloomberg US Treasury TIPS 0-5 Years Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal International Equity ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Life of Fund returns are measured from the date the Fund's shares were first sold (November 5, 2024).
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Bar Chart [Heading] Total Returns as of December 31
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return 10.29%
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 11.13%
Highest Quarterly Return, Date Jun. 30, 2025
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return 5.41%
Lowest Quarterly Return, Date Dec. 31, 2025
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects withholding taxes on foreign dividends, but no deduction for fees, expenses, or other taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Investment Grade Corporate ETF Series  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Life of Fund returns are measured from the date the Fund's shares were first sold (April 18, 2018).
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Performance Additional Market Index [Text] The Bloomberg US Aggregate Index is the Fund's primary broad-based securities market index. The Bloomberg US Corporate Investment Grade Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Bar Chart [Heading] Total Returns as of December 31
Bar Chart Closing [Text Block]
Highest return for a quarter during the period of the bar chart above:
2Q 202010.29%
Lowest return for a quarter during the period of the bar chart above:
2Q 2022(8.40)%
Year-to-date return
3Q 2026
(2.93)%
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return (2.93%)
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 10.29%
Highest Quarterly Return, Date Jun. 30, 2020
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return (8.40%)
Lowest Quarterly Return, Date Jun. 30, 2022
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deductions for fees, expenses or taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
The Bloomberg US Aggregate Index is the Fund's primary broad-based securities market index. The Bloomberg US Corporate Investment Grade Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Long Duration ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
No performance information is shown because the Fund has not yet had a calendar year of performance. The Bloomberg US Aggregate Index is the Fund’s primary broad-based securities market index. The Bloomberg US STRIPS 20+ Year Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives. Performance information provides an indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance One Year or Less [Text] No performance information is shown because the Fund has not yet had a calendar year of performance.
Performance Additional Market Index [Text] The Bloomberg US STRIPS 20+ Year Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Real Estate Active Opportunities ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund's shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund's average annual total returns compare with those of one or more broad measures of market performance.
Life of Fund returns are measured from the date the Fund's shares were first sold (May 18, 2022).
Prior to November 1 2025, the objective and strategy of the Fund differed from its current objective and strategy. Accordingly, performance of the Fund for periods prior to November 1, 2025 may not be representative of the performance the Fund would have achieved had the Fund been following its current objective and strategy.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.The bar chart shows the investment returns of the Fund's shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund's average annual total returns compare with those of one or more broad measures of market performance.
Performance Additional Market Index [Text] The Russell 3000 Index is the Fund's primary broad-based securities market index. The FTSE NAREIT All Equity REITs Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Bar Chart [Heading] Total Returns as of December 31
Bar Chart Closing [Text Block]
Highest return for a quarter during the period of the bar chart above:
4Q 202316.17%
Lowest return for a quarter during the period of the bar chart above:
4Q 2024(7.86)%
Year-to-date return
3Q 2026
6.51%
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return 6.51%
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 16.17%
Highest Quarterly Return, Date Dec. 31, 2023
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return (7.86%)
Lowest Quarterly Return, Date Dec. 31, 2024
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor's tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deductions for fees, expenses, or taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
The Russell 3000 Index is the Fund's primary broad-based securities market index. The FTSE NAREIT All Equity REITs Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Securitized Debt ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
No performance information is shown because the Fund has not yet had a calendar year of performance. The Bloomberg US Aggregate Index is the Fund’s primary broad-based securities market index. The Bloomberg US Securitized: MBS/ABS/CMBS Blended Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives. When performance information is available, performance of each component of the blended index will be shown. The weightings of the components of the Bloomberg US Securitized: MBS/ABS/CMBS Blended Index are as follows: 40% Bloomberg US MBS Index, 30% Bloomberg US ABS Index, and 30% Bloomberg US CMBS Index. Performance information provides an indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance One Year or Less [Text] No performance information is shown because the Fund has not yet had a calendar year of performance.
Performance Additional Market Index [Text] The Bloomberg US Securitized: MBS/ABS/CMBS Blended Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Spectrum Preferred and Income ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Life of Fund returns are measured from the date the Fund's shares were first sold (June 16, 2020).
Prior to November 1, 2025, the Fund was known as the Principal Spectrum Tax-Advantaged Dividend Active ETF, and the strategy of the Fund differed from its current strategy. Accordingly, performance of the Fund for periods prior to November 1, 2025 may not be representative of the performance the Fund would have achieved had the Fund been following its current strategy.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Performance Additional Market Index [Text] The Bloomberg Global Aggregate Index is the Fund's primary broad-based securities market index. The ICE BofA 7% Constrained DRD Eligible Preferred Securities Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Bar Chart [Heading] Total Returns as of December 31
Bar Chart Closing [Text Block]
Highest return for a quarter during the period of the bar chart above:
4Q 20235.45%
Lowest return for a quarter during the period of the bar chart above:
2Q 2022(6.10)%
Year-to-date return
3Q 2026
(0.68)%
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return (0.68%)
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 5.45%
Highest Quarterly Return, Date Dec. 31, 2023
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return (6.10%)
Lowest Quarterly Return, Date Jun. 30, 2022
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deductions for fees, expenses, or taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
The Bloomberg Global Aggregate Index is the Fund's primary broad-based securities market index. The ICE BofA 7% Constrained DRD Eligible Preferred Securities Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Spectrum Preferred Securities Active ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Life of Fund returns are measured from the date the Fund's shares were first sold (July 10, 2017).
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Performance Additional Market Index [Text] The Bloomberg Global Aggregate Index is the Fund's primary broad-based securities market index. The ICE BofA US Investment Grade Institutional Capital Securities Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Bar Chart [Heading] Total Returns as of December 31
Bar Chart Closing [Text Block]
Highest return for a quarter during the period of the bar chart above:
2Q 202012.14%
Lowest return for a quarter during the period of the bar chart above:
1Q 2020(12.33)%
Year-to-date return
3Q 2026
(0.10)%
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return (0.10%)
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 12.14%
Highest Quarterly Return, Date Jun. 30, 2020
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return (12.33%)
Lowest Quarterly Return, Date Mar. 31, 2020
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deductions for fees, expenses, or taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
The Bloomberg Global Aggregate Index is the Fund's primary broad-based securities market index. The ICE BofA US Investment Grade Institutional Capital Securities Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal U.S. Mega-Cap ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Life of Fund returns are measured from the date the Fund's shares were first sold (October 11, 2017).
Prior to June 10, 2022, the objective and strategy of the Fund differed from its current objective and strategy. Accordingly, performance of the Fund for periods prior to that date may not be representative of the performance the Fund would have achieved had the Fund been following its current objective and strategy.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Bar Chart [Heading] Total Returns as of December 31
Bar Chart Closing [Text Block]
Highest return for a quarter during the period of the bar chart above:
2Q 202016.44%
Lowest return for a quarter during the period of the bar chart above:
1Q 2020(17.17)%
Year-to-date return
3Q 2026
12.39%
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return 12.39%
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 16.44%
Highest Quarterly Return, Date Jun. 30, 2020
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return (17.17%)
Lowest Quarterly Return, Date Mar. 31, 2020
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025 (1)
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deductions for fees, expenses or taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal U.S. Small Cap ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Life of Fund returns are measured from the date the Fund's shares were first sold (September 21, 2016).
Prior to July 8, 2022, the objective and strategy of the Fund differed from its current objective and strategy. Accordingly, performance of the Fund for periods prior to that date may not be representative of the performance the Fund would have achieved had the Fund been following its current objective and strategy.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Performance Additional Market Index [Text] The Russell 3000 Index is the Fund's primary broad-based securities market index. The Russell 2000 Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Bar Chart [Heading] Total Returns as of December 31
Bar Chart Closing [Text Block]
Highest return for a quarter during the period of the bar chart above:
4Q 202030.83%
Lowest return for a quarter during the period of the bar chart above:
1Q 2020(32.95)%
Year-to-date return
3Q 2026
15.91%
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return 15.91%
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 30.83%
Highest Quarterly Return, Date Dec. 31, 2020
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return (32.95%)
Lowest Quarterly Return, Date Mar. 31, 2020
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025 (1)
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deductions for fees, expenses, or taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
The Russell 3000 Index is the Fund's primary broad-based securities market index. The Russell 2000 Index is included as an additional index for the Fund as it shows how the Fund’s performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance
Principal Value ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.
The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Life of Fund returns are measured from the date the Fund's shares were first sold (March 21, 2016).
Prior to June 24, 2022, the objective and strategy of the Fund differed from its current objective and strategy. Accordingly, performance of the Fund for periods prior to that date may not be representative of the performance the Fund would have achieved had the Fund been following its current objective and strategy.
Performance Past Does Not Indicate Future [Text] Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following information provides some indication of the risks of investing in the Fund. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You may get updated performance information at www.principalam.com/etfperformance.The bar chart shows the investment returns of the Fund’s shares for each full calendar year of operations for 10 years (or, if shorter, the life of the Fund). The table shows for the last one, five, and ten calendar year periods (or, if shorter, the life of the Fund), how the Fund’s average annual total returns compare with those of one or more broad measures of market performance.
Performance Additional Market Index [Text] The S&P 500 Index is the Fund's primary broad-based securities market index. The S&P 500 Value Index is included as an additional index for the Fund as it shows how the Fund's performance compares with the returns of an index of funds with similar investment objectives.
Bar Chart [Heading] Total Returns as of December 31
Bar Chart Closing [Text Block]
Highest return for a quarter during the period of the bar chart above:
2Q 202022.18%
Lowest return for a quarter during the period of the bar chart above:
1Q 2020(33.36)%
Year-to-date return
3Q 2026
8.07%
Year to Date Return, Label [Optional Text] Year-to-date return
Bar Chart, Year to Date Return 8.07%
Bar Chart, Year to Date Return, Date Sep. 30, 2026
Highest Quarterly Return, Label [Optional Text] Highest return for a quarter during the period of the bar chart above:
Highest Quarterly Return 22.18%
Highest Quarterly Return, Date Jun. 30, 2020
Lowest Quarterly Return, Label [Optional Text] Lowest return for a quarter during the period of the bar chart above:
Lowest Quarterly Return (33.36%)
Lowest Quarterly Return, Date Mar. 31, 2020
Performance Table Heading Average Annual Total Returns (Based on NAV)For the periods ended December 31, 2025 (1)
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deductions for fees, expenses or taxes)
Performance Table Closing [Text Block]
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
The S&P 500 Index is the Fund's primary broad-based securities market index. The S&P 500 Value Index is included as an additional index for the Fund as it shows how the Fund's performance compares with the returns of an index of funds with similar investment objectives.
Performance Availability Website Address [Text] www.principalam.com/etfperformance