| Label | Element | Value | |
|---|---|---|---|
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Document Type | dei_DocumentType | 485BPOS | |
| Document Period End Date | dei_DocumentPeriodEndDate | Dec. 31, 2023 | |
| Entity Registrant Name | dei_EntityRegistrantName | Putnam ETF Trust | |
| Entity Central Index Key | dei_EntityCentralIndexKey | 0001845809 | |
| Entity Inv Company Type | dei_EntityInvCompanyType | N-1A | |
| Amendment Flag | dei_AmendmentFlag | false | |
| Putnam ESG Core Bond ETF | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Risk/Return [Heading] | rr_RiskReturnHeading | Fund summary | |
| Objective [Heading] | rr_ObjectiveHeading | Investment objective | |
| Objective, Primary [Text Block] | rr_ObjectivePrimaryTextBlock | Putnam ESG Core Bond ETF seeks high current income consistent with what Franklin Advisers, Inc. (Franklin Advisers) believes to be prudent risk. |
|
| Expense [Heading] | rr_ExpenseHeading | Fees and expenses | |
| Expense Narrative [Text Block] | rr_ExpenseNarrativeTextBlock | The following tables describe the fees and expenses you may pay if you buy, hold and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
|
| Operating Expenses Caption [Text] | rr_OperatingExpensesCaption | Annual fund operating expenses (expenses you pay each year as a percentage of the value of your investment) | |
| Portfolio Turnover [Heading] | rr_PortfolioTurnoverHeading | Portfolio turnover | |
| Portfolio Turnover [Text Block] | rr_PortfolioTurnoverTextBlock | The fund pays transaction-related costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher turnover rate may indicate higher transaction costs and may result in higher taxes when the fund’s shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or the above example, affect fund performance. The fund’s turnover rate in the most recent fiscal year was 166%. |
|
| Portfolio Turnover, Rate | rr_PortfolioTurnoverRate | 166.00% | |
| Expense Example [Heading] | rr_ExpenseExampleHeading | Example | |
| Expense Example Narrative [Text Block] | rr_ExpenseExampleNarrativeTextBlock | The following hypothetical example is intended to help you compare the cost of investing in the fund with the cost of investing in other funds. It assumes that you invest $10,000 in the fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year and that the fund’s operating expenses remain the same. Your actual costs may be higher or lower. |
|
| Strategy [Heading] | rr_StrategyHeading | Principal investment strategies | |
| Strategy Narrative [Text Block] | rr_StrategyNarrativeTextBlock | The fund invests mainly in a diversified portfolio of investment-grade fixed-income securities with a focus on companies or issuers that the fund’s investment manager believes meet relevant environmental, social or governance (“ESG”) criteria on a sector-specific basis (“ESG criteria”).
The fund invests mainly in bonds of governments and private companies located in the United States that are investment-grade in quality with intermediate- to long-term maturities (three years or longer). Investment-grade securities are rated at least BBB or its equivalent at the time of purchase by a nationally recognized securities rating agency, or are unrated investments that the investment manager believes are of comparable quality. The fund may also invest in below-investment-grade investments. However, the fund will not invest in securities that are rated lower than B or its equivalent by each rating agency rating the investment, or are unrated securities that the investment manager believes are of comparable quality. The fund will not necessarily sell an investment if its rating is reduced (or increased) after purchase. The fund may also invest in foreign fixed income investments, although foreign investments do not represent a primary focus of the fund. The investment manager may consider, among other factors, a company’s or issuer’s ESG criteria (as described below), credit, interest rate, liquidity and prepayment risks, as well as general market conditions, when deciding whether to buy or sell investments. Under normal circumstances, the fund invests at least 80% of the value of its net assets in fixed-income securities that meet the investment manager’s ESG criteria. This policy is non-fundamental and may be changed only after 60 days’ notice to shareholders. The investment manager may not apply ESG criteria to investments that are not subject to the fund’s 80% policy, and such investments may not meet the investment manager’s ESG criteria. The fund will not necessarily sell an investment if it no longer meets the investment manager’s ESG criteria after purchase, subject to compliance with the 80% policy. In evaluating investments for the fund, the investment manager identifies relevant ESG criteria for specific sectors, subsectors or countries using an internally developed framework, which may take into account independent third-party ESG data. The investment manager identifies specific ESG criteria (i.e., quality of board, product safety and quality, workforce relations, lending criteria, emissions and waste management, energy efficiency, or governmental corruption, among others) and assigns a percentage weighting to those criteria based on the investment manager’s assessment of which criteria are more or less important. The investment manager then categorizes the relevance of each ESG criterion and assigns each criterion a percentage weighting. As part of this analysis, the investment manager may utilize metrics and information such as emissions data, carbon intensity, sources of energy used for operations, renewable energy consumption, water use and re-use, waste diversion from landfill, employee safety and diversity data, FICO credit scores and income statistics for borrowers, supplier audits, product safety, board composition, or the Global Peace Index. After evaluating these criteria and applying the established weightings, the investment manager will assign each company, issuer or country, as applicable, a proprietary ESG rating ranging from a 5.0 to a 1.0, with 5.0 indicating the highest (best) ESG rating and 1.0 indicating the lowest (worst) ESG rating. In order to meet the investment manager’s ESG criteria for purposes of the above-referenced
non-fundamental investment policy, a company or issuer must generally be rated 2.5 or above by the investment manager. For corporate credit investments, which may include investment grade-rated and below investment grade-rated securities, the investment manager also applies a momentum factor in determining the ESG rating of a company or issuer based on the investment manager’s view of whether the performance of the company or issuer under the relevant ESG criteria is expected to improve or decline. If an issuer is rated 2.0 or above and has a positive momentum factor, a company or issuer will be viewed as meeting the investment manager’s criteria for purposes of the above-referenced non-fundamental policy. Conversely, if an issuer has a negative momentum factor, it will be viewed as meeting the investment manager’s criteria for purposes of the above-referenced non-fundamental policy only if it is rated a 3.0 or above. While the investment manager may consider independent third-party data as a part of its analytical process, the portfolio management team performs its own independent analysis of issuers and does not rely solely on third-party screens. The fund’s approach to ESG investing incorporates fundamental research together with consideration of ESG criteria which may include, but are not limited to, those included in the following descriptions. Environmental criteria include, for example, a company’s or issuer’s carbon intensity and use of resources like water or minerals. ESG measures in this area might include plans to reduce waste, increase recycling, raise the proportion of energy supplied from renewable sources, reduce greenhouse gas emissions per capita or improve product design to be less resource intensive. Social criteria include, for example, labor practices, supply chain management, and community relations. ESG measures in this area might include programs to improve employee well-being, commitment to workplace equality and diversity, stewardship of supplier relationships and working conditions, lending to underserved populations, or the degree of universal healthcare coverage. Governance criteria include, for example, board composition, executive compensation, and debt structures that improve transparency and bondholders’ rights. ESG measures in this area might include improvements in board independence or diversity, alignment of governmental or management incentives with appropriate strategic ESG objectives, and disclosure of operating and ESG metrics to bondholders. In the corporate credit sector, the investment manager combines fundamental analysis with relevant ESG insights with a forward-looking perspective. The investment manager believes that this approach contributes to a more nuanced assessment of an issuer’s credit profile. The investment manager believes that securitized debt instruments present unique challenges in applying ESG criteria due to the presence of various asset types, counterparties involved, and the complex structure of the securitized debt market along with a lack of available ESG-related data. In evaluating securitized debt instruments for potential investment, the investment manager takes a broad approach, analyzing both the terms of the transaction, including the asset type being securitized, the terms of the transaction, the structure of the securitization, as well as key
counterparties. Opportunities are analyzed at the asset level within each securitization and each subsector to identify assets that meet relevant ESG thresholds. Additionally, in evaluating securitized debt instruments, the investment manager analyzes relevant ESG criteria regarding the originator, servicers, or other relevant counterparties. In the sovereign debt sector, the investment manager uses quantitative modeling and fundamental research to evaluate countries across a variety of ESG criteria (i.e., natural resource dependence and level of public corruption) and non-ESG criteria (i.e., global economic conditions, market valuations, and technical factors). The investment manager believes that sovereign issuers with better ESG scores generally benefit from lower borrowing costs and that ESG criteria may influence the perception of the credit risk of a country’s debt. The investment manager evaluates ESG considerations using independent third-party data (where available), and also uses company or issuer disclosures and public data sources. The investment manager believes that ESG considerations are best analyzed in combination with a company’s or issuer’s fundamentals, including a company’s or issuer’s industry, location, strategic position, and key relationships. In addition to bonds, the fund may also invest in other fixed-income instruments. In addition to the main investment strategies described above, the fund may make other types of investments, such as assignments of and participations in fixed and floating rate bank loans, investments in hybrid and structured bonds and notes, and preferred securities that would be characterized as debt securities under applicable accounting standards and tax laws. The fund may also use derivatives, such as futures, options, certain foreign currency transactions and swap contracts, for both hedging and non-hedging purposes. |
|
| Risk [Heading] | rr_RiskHeading | Principal investment risks | |
| Risk [Text Block] | rr_RiskTextBlock |
a company’s or issuer’s business practices, products or services may change over time. As a result of these possibilities, among others, the fund may temporarily hold securities that are inconsistent with the fund’s ESG investment criteria. Regulatory changes or interpretations regarding the definitions and/or use of ESG criteria could have a material adverse effect on the fund’s ability to invest in accordance with its investment policies and/or achieve its investment objective, as well as the ability of certain classes of investors to invest in funds, such as the fund, whose strategies include ESG criteria. Because fixed-income investments generally represent a promise to pay principal and interest by an issuer, and not an ownership interest, and may involve complex structures, ESG-related investment considerations may have a more limited impact on risk and return (or may have an impact over a different investment time horizon) relative to other asset classes, and this may be particularly true for shorter-term investments. In addition, holders of fixed-income investments do not typically have voting rights, unlike holders of equity investments who have the right to vote on issuer proposals, including ESG-related proposals.
cannot predict whether the fund’s shares will trade above, below or at their NAV or the intraday value of the fund’s holdings. During such periods, investors may incur significant losses if they sell shares. The securities held by the fund may be traded in markets that close at a different time than the exchange on which the fund’s shares are listed. Liquidity in those securities may be reduced after the applicable closing times. Accordingly, during the time when the exchange is open but after the applicable market closing, fixing or settlement times, bid-ask spreads on the exchange and the corresponding premium or discount to the shares’ NAV may widen.
and reduced liquidity in the fund’s portfolio holdings, may negatively impact the fund’s performance and may exacerbate other risks to which the fund is subject.
From time to time the fund may engage in frequent trading. Funds with high turnover may be more likely to realize capital gains that must be distributed to shareholders as taxable income. High turnover may also cause a fund to pay more brokerage commissions and to incur other transaction costs (including imputed transaction costs), which may detract from performance. The fund’s portfolio turnover rate and the amount of brokerage commissions it pays and transaction costs it incurs will vary over time based on market conditions.
An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. It is important to understand that you can lose money by investing in the fund. |
|
| Bar Chart and Performance Table [Heading] | rr_BarChartAndPerformanceTableHeading | Performance | |
| Performance Narrative [Text Block] | rr_PerformanceNarrativeTextBlock | Performance information will be available after the fund completes a full calendar year of operation. |
|
| Putnam ESG Core Bond ETF | C000237594 | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Management Fees (as a percentage of Assets) | rr_ManagementFeesOverAssets | 0.35% | |
| Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | none | |
| Other Expenses (as a percentage of Assets): | rr_OtherExpensesOverAssets | none | |
| Acquired Fund Fees and Expenses | rr_AcquiredFundFeesAndExpensesOverAssets | 0.01% | |
| Expenses (as a percentage of Assets) | rr_ExpensesOverAssets | 0.36% | |
| Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | $ 37 | |
| Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 116 | |
| Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 202 | |
| Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | $ 455 | |
| Putnam ESG Core Bond ETF | Risk Not Insured Depository Institution [Member] | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Risk [Text Block] | rr_RiskTextBlock | An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. | |
| Putnam ESG Core Bond ETF | Risk Lose Money [Member] | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Risk [Text Block] | rr_RiskTextBlock | It is important to understand that you can lose money by investing in the fund. | |
| Putnam ESG High Yield ETF | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Risk/Return [Heading] | rr_RiskReturnHeading | Fund summary | |
| Objective [Heading] | rr_ObjectiveHeading | Investment objective | |
| Objective, Primary [Text Block] | rr_ObjectivePrimaryTextBlock | Putnam ESG High Yield ETF seeks high current income. Capital growth is a secondary goal when consistent with achieving high current income. |
|
| Objective, Secondary [Text Block] | rr_ObjectiveSecondaryTextBlock | Capital growth is a secondary goal when consistent with achieving high current income. | |
| Expense [Heading] | rr_ExpenseHeading | Fees and expenses | |
| Expense Narrative [Text Block] | rr_ExpenseNarrativeTextBlock | The following tables describe the fees and expenses you may pay if you buy, hold and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
|
| Operating Expenses Caption [Text] | rr_OperatingExpensesCaption | Annual fund operating expenses (expenses you pay each year as a percentage of the value of your investment) | |
| Portfolio Turnover [Heading] | rr_PortfolioTurnoverHeading | Portfolio turnover | |
| Portfolio Turnover [Text Block] | rr_PortfolioTurnoverTextBlock | The fund pays transaction-related costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher turnover rate may indicate higher transaction costs and may result in higher taxes when the fund’s shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or the above example, affect fund performance. The fund’s turnover rate in the most recent fiscal year was 47%. |
|
| Portfolio Turnover, Rate | rr_PortfolioTurnoverRate | 47.00% | |
| Expense Example [Heading] | rr_ExpenseExampleHeading | Example | |
| Expense Example Narrative [Text Block] | rr_ExpenseExampleNarrativeTextBlock | The following hypothetical example is intended to help you compare the cost of investing in the fund with the cost of investing in other funds. It assumes that you invest $10,000 in the fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year and that the fund’s operating expenses remain the same. Your actual costs may be higher or lower. |
|
| Strategy [Heading] | rr_StrategyHeading | Principal investment strategies | |
| Strategy Narrative [Text Block] | rr_StrategyNarrativeTextBlock | The fund invests mainly in bonds that are below investment grade in quality (sometimes referred to as “junk bonds”) with a focus on companies or issuers that the fund’s investment manager believes meet relevant environmental, social or governance (“ESG”) criteria on a sector-specific basis (“ESG criteria”). The fund invests mainly in bonds that also have one or more of the following characteristics: (1) are obligations of U.S. companies or issuers and (2) have intermediate- to long-term
maturities (three years or longer). The fund invests with a focus on companies or issuers that the investment manager believes meet relevant environmental, social or governance (“ESG”) criteria on a sector-specific basis (“ESG criteria”). The fund may consider, among other factors, a company’s or issuer’s ESG criteria (as described below), credit, interest rate, liquidity and prepayment risks, as well as general market conditions, when deciding whether to buy or sell investments. Under normal circumstances, the fund invests at least 80% of the value of its net assets in fixed-income securities rated below investment grade that meet the investment manager’s ESG criteria. This policy is non-fundamental and may be changed only after 60 days’ notice to shareholders. The investment manger may not apply ESG criteria to investments that are not subject to the fund’s 80% policy and such investments may not meet the investment manager’s ESG criteria. The fund will not necessarily sell an investment if it no longer meets the investment manager’s ESG criteria after purchase, subject to compliance with the 80% policy. In evaluating investments for the fund, the investment manager identifies relevant ESG criteria for specific sectors, subsectors or countries using an internally developed framework, which may take into account independent third party ESG data. The investment manager identifies specific ESG criteria (i.e., quality of board, quality of management, product safety and quality, workforce relations, emissions and waste management, or energy management, among others) and assigns a percentage weighting to those criteria based on the investment manager’s assessment of which ESG criteria are more or less important. As part of this analysis, the investment manager may utilize metrics and information such as emissions data, carbon intensity, sources of energy used for operations, water use and re-use, water generation, waste diversion from landfill, employee safety and diversity data, supplier audits, product safety, board composition, and incentive compensation structures. After evaluating these criteria and applying the established weightings, the investment manager will assign each company, issuer or country, as applicable, a proprietary ESG rating ranging from a 5.0 to a 1.0 with 5.0 indicating the highest (best) ESG rating and 1.0 indicating the lowest (worst) ESG rating. In order to meet the investment manager’s ESG criteria for purposes of the above-referenced non-fundamental investment policy, a company or issuer must generally be rated 2.5 or above by the investment manager. While The investment manager may consider independent third-party data as a part of its analytical process, the portfolio management team performs its own independent analysis of issuers and does not rely solely on third-party screens. For corporate credit (i.e., investment grade-rated and below investment grade-rated securities), the investment manager also applies a momentum factor in determining the ESG rating of a company or issuer based on the investment manager’s view of whether the performance of the company or issuer under the relevant ESG criteria is expected to improve or decline. If an issuer is rated 2.0 or above and has a positive momentum factor, a company or issuer will be viewed as meeting the investment manager’s criteria for purposes of the above-referenced non-fundamental policy. Conversely, if an issuer has a negative momentum factor, it will be viewed as
meeting the investment manager’s criteria for purposes of the above-referenced non-fundamental policy only if it’s rated a 3.0 or above. While the investment manager may consider independent third-party data as a part of its analytical process, the portfolio management team performs its own independent analysis of issuers and does not rely solely on third-party screens. The fund’s approach to ESG investing incorporates fundamental research together with consideration of ESG criteria which may include, but are not limited to, those included in the following descriptions. Environmental criteria include, for example, a company’s or issuer’s carbon intensity and use of resources like water or minerals. ESG measures in this area might include plans to reduce waste, increase recycling, raise the proportion of energy supplied from renewable sources, or improve product design to be less resource intensive. Social criteria include, for example, labor practices and supply chain management. ESG measures in this area might include programs to improve employee well-being, commitment to workplace equality and diversity, or improved stewardship of supplier relationships and working conditions. Corporate governance criteria include, for example, board composition and executive compensation, as well as bondholders’ rights. ESG measures in this area might include improvements in board independence or diversity, or alignment of management incentives with the company’s or issuer’s strategic ESG objectives. In the corporate credit sector, the investment manager combines fundamental analysis with relevant ESG insights with a forward-looking perspective. The investment manager believes that this approach contributes to a more nuanced assessment of an issuer’s credit profile. The investment manager evaluates ESG considerations using independent third-party data (where available), and uses company or issuer disclosures and public data sources. The investment manager believes that ESG considerations are best analyzed in combination with a company’s or issuer’s fundamentals, including a company’s or issuer’s industry, location, strategic position, and key relationships. In addition to bonds, the fund may also invest in other fixed-income instruments, including bank loans. In addition to the main investment strategies described above, the fund may make other types of investments, such as investments in equity securities, asset-backed, hybrid and structured bonds and notes, preferred securities that would be characterized as debt securities under applicable accounting standards and tax laws, and assignments of and participations in fixed and floating rate bank loans. The fund may also use derivatives, such as futures, options, certain foreign currency transactions and swap contracts, for both hedging and non-hedging purposes. |
|
| Risk [Heading] | rr_RiskHeading | Principal investment risks | |
| Risk [Text Block] | rr_RiskTextBlock |
an investment opportunity, the investment manager may make investment decisions without the availability of optimal ESG-related data (which may be even less available with securitized debt instruments) or based on information and data that is incomplete or inaccurate. ESG metrics are not uniformly defined and applying such metrics involves subjective assessments. ESG scorings and assessments of issuers can vary across third-party data providers and may change over time. The investment manager does not rely exclusively on third-party data providers in evaluating ESG criteria. ESG information from third-party data providers may be incomplete, inaccurate or unavailable, particularly with respect to companies in emerging market countries, which may adversely impact the investment process. The fund does not restrict its investments to “green bonds” (i.e., U.S. dollar-denominated bonds designated as “green” by the Climate Bonds Initiative) and does not restrict investments based solely on “negative screens”. In addition, a company’s or issuer’s business practices, products or services may change over time. As a result of these possibilities, among others, the fund may temporarily hold securities that are inconsistent with the fund’s ESG investment criteria. Regulatory changes or interpretations regarding the definitions and/or use of ESG criteria could have a material adverse effect on the fund’s ability to invest in accordance with its investment policies and/or achieve its investment objective, as well as the ability of certain classes of investors to invest in funds, such as the fund, whose strategies include ESG criteria. Because fixed-income investments generally represent a promise to pay principal and interest by an issuer, and not an ownership interest, and may involve complex structures, ESG-related investment considerations may have a more limited impact on risk and return (or may have an impact over a different investment time horizon) relative to other asset classes, and this may be particularly true for shorter-term investments. In addition, holders of fixed-income investments do not typically have voting rights, unlike holders of equity investments who have the right to vote on issuer proposals.
participants. Market makers and authorized participants are not obligated to make a market in the fund’s shares or to submit purchase and redemption orders for creation units. The market prices of the fund’s shares are expected to fluctuate, in some cases materially, in response to changes in the fund’s NAV, the intraday value of the Fund’s holdings and supply and demand for the fund’s shares. The investment manager cannot predict whether the fund’s shares will trade above, below or at their NAV or the intraday value of the fund’s holdings. During such periods, investors may incur significant losses if they sell shares. The securities held by the fund may be traded in markets that close at a different time than the exchange on which the fund’s shares are listed. Liquidity in those securities may be reduced after the applicable closing times. Accordingly, during the time when the exchange is open but after the applicable market closing, fixing or settlement times, bid-ask spreads on the exchange and the corresponding premium or discount to the shares’ NAV may widen.
move in unexpected ways due to unanticipated market movements, the use of leverage, imperfect correlation between the derivative instrument and the reference asset, or other factors, especially in unusual market conditions, and volatility in the value of derivatives could adversely impact the fund’s returns, obligations and exposures. Derivatives are also subject to other risks, including liquidity risk (e.g., liquidity demands arising from the requirement to make payments to a derivative counterparty), operational risk (e.g., settlement issues or system failure), and legal risk (e.g., insufficient legal documentation or contract enforceability issues).
From time to time the fund may engage in frequent trading. Funds with high turnover may be more likely to realize capital gains that must be distributed to shareholders as taxable income. High turnover may also cause a fund to pay more brokerage commissions and to incur other transaction costs (including imputed transaction costs), which may detract from performance. The fund’s portfolio turnover rate and the amount of brokerage commissions it pays and transaction costs it incurs will vary over time based on market conditions.
An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. It is important to understand that you can lose money by investing in the fund. |
|
| Bar Chart and Performance Table [Heading] | rr_BarChartAndPerformanceTableHeading | Performance | |
| Performance Narrative [Text Block] | rr_PerformanceNarrativeTextBlock | Performance information will be available after the fund completes a full calendar year of operation.
|
|
| Putnam ESG High Yield ETF | C000237595 | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Management Fees (as a percentage of Assets) | rr_ManagementFeesOverAssets | 0.55% | |
| Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | none | |
| Other Expenses (as a percentage of Assets): | rr_OtherExpensesOverAssets | none | |
| Acquired Fund Fees and Expenses | rr_AcquiredFundFeesAndExpensesOverAssets | 0.03% | |
| Expenses (as a percentage of Assets) | rr_ExpensesOverAssets | 0.58% | |
| Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | $ 59 | |
| Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 186 | |
| Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 324 | |
| Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | $ 726 | |
| Putnam ESG High Yield ETF | Risk Not Insured Depository Institution [Member] | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Risk [Text Block] | rr_RiskTextBlock | An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. | |
| Putnam ESG High Yield ETF | Risk Lose Money [Member] | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Risk [Text Block] | rr_RiskTextBlock | It is important to understand that you can lose money by investing in the fund. | |
| Putnam ESG Ultra Short ETF | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Risk/Return [Heading] | rr_RiskReturnHeading | Fund summary | |
| Objective [Heading] | rr_ObjectiveHeading | Investment objective | |
| Objective, Primary [Text Block] | rr_ObjectivePrimaryTextBlock | Putnam ESG Ultra Short ETF seeks as high a rate of current income as Franklin Advisers, Inc. (Franklin Advisers) believes is consistent with preservation of capital and maintenance of liquidity. |
|
| Expense [Heading] | rr_ExpenseHeading | Fees and expenses | |
| Expense Narrative [Text Block] | rr_ExpenseNarrativeTextBlock | The following tables describe the fees and expenses you may pay if you buy, hold and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
|
| Operating Expenses Caption [Text] | rr_OperatingExpensesCaption | Annual fund operating expenses (expenses you pay each year as a percentage of the value of your investment) | |
| Portfolio Turnover [Heading] | rr_PortfolioTurnoverHeading | Portfolio turnover | |
| Portfolio Turnover [Text Block] | rr_PortfolioTurnoverTextBlock | The fund pays transaction-related costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher turnover rate may indicate higher transaction costs and may result in higher taxes when the fund’s shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or the above example, affect fund performance. The fund’s turnover rate in the most recent fiscal year was 84%. |
|
| Portfolio Turnover, Rate | rr_PortfolioTurnoverRate | 84.00% | |
| Expense Example [Heading] | rr_ExpenseExampleHeading | Example | |
| Expense Example Narrative [Text Block] | rr_ExpenseExampleNarrativeTextBlock | The following hypothetical example is intended to help you compare the cost of investing in the fund with the cost of investing in other funds. It assumes that you invest $10,000 in the fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year and that the fund’s operating expenses remain the same. Your actual costs may be higher or lower. |
|
| Strategy [Heading] | rr_StrategyHeading | Principal investment strategies | |
| Strategy Narrative [Text Block] | rr_StrategyNarrativeTextBlock | The fund invests in a diversified short duration portfolio of fixed-income securities comprised of investment-grade money market and other fixed-income securities, including U.S. dollar-denominated foreign securities of these types, with a focus on companies or issuers that the fund’s investment manager believes meet relevant
environmental, social or governance (“ESG”) criteria on a sector-specific basis (“ESG criteria”). The fund’s investments may include obligations of the U.S. government, its agencies and instrumentalities, which are backed by the full faith and credit of the United States (e.g., U.S. Treasury bonds and Ginnie Mae mortgage-backed bonds) or by only the credit of a federal agency or government-sponsored entity (e.g., Fannie Mae or Freddie Mac) mortgage-backed bonds), domestic corporate debt obligations, taxable municipal debt securities, securitized debt instruments (such as mortgage- and asset-backed securities), repurchase agreements, certificates of deposit, bankers acceptances, commercial paper (including asset-backed commercial paper), time deposits, Yankee Eurodollar securities and other money market instruments. The fund may also invest in U.S. dollar-denominated foreign securities of these types. Under normal circumstances, the effective duration of the fund’s portfolio will generally not be greater than one year. Effective duration provides a measure of a fund’s interest-rate sensitivity. The longer a fund’s duration, the more sensitive the fund is to shifts in interest rates. Under normal circumstances, the dollar-weighted average portfolio maturity of the fund is not expected to exceed four years. The investment manager may consider, among other factors, a company’s or issuer’s ESG criteria (as described below), credit, interest rate, liquidity and prepayment risks, as well as general market conditions, when deciding whether to buy or sell investments. Under normal circumstances, the fund invests at least 80% of the value of its net assets in fixed-income securities that meet the investment manager’s ESG criteria. This policy is non-fundamental and may be changed only after 60 days’ notice to shareholders. The investment manager may not apply ESG criteria to investments that are not subject to the fund’s 80% policy and such investments may not meet the investment manager’s ESG criteria. The fund will not necessarily sell an investment if it no longer meets the investment manager’s ESG criteria after purchase, subject to compliance with the 80% policy. In evaluating investments for the fund, the investment manager identifies relevant ESG criteria for specific sectors, subsectors or countries using an internally developed framework, which may take into account independent third party ESG data. The investment manager identifies specific ESG criteria (i.e., quality of board, product safety and quality, workforce relations, lending criteria, emissions and waste management, energy efficiency, or governmental corruption, among others) and assigns a percentage weighting to those criteria based on the investment manager’s assessment of which criteria are more or less important. The investment manager then categorizes the relevance of each ESG criteria and assigns each criterion a percentage weighting. As part of this analysis, the investment manager may utilize metrics and information such as emissions data, carbon intensity, sources of energy used for operations, renewable energy consumption, water use and re-use, waste diversion from landfill, employee safety and diversity data, FICO credit scores and income statistics for borrowers, supplier audits, product safety, board composition, or the Global Peace Index. After evaluating these criteria and applying the established weightings, the investment
manager will assign each company, issuer or country, as applicable, a proprietary ESG rating ranging from a 5.0 to a 1.0 with 5.0 indicating the highest (best) ESG rating and 1.0 indicating the lowest (worst) ESG rating. In order to meet the investment manager’s ESG criteria for purposes of the above-referenced non-fundamental investment policy, a company or issuer must generally be rated 2.5 or above by the investment manager. For corporate credit (i.e., investment grade-rated and below investment grade-rated securities), the investment manager also applies a momentum factor in determining the ESG rating of a company or issuer based on the investment manager’s view of whether the performance of the company or issuer under the relevant ESG criteria is expected to improve or decline. If an issuer is rated 2.0 or above and has a positive momentum factor, a company or issuer will be viewed as meeting the investment manager’s criteria for purposes of the above-referenced non-fundamental policy. Conversely, if an issuer has a negative momentum factor, it will be viewed as meeting the investment manager’s criteria for purposes of the above-referenced non-fundamental policy only if it’s rated a 3.0 or above. While the investment manager may consider independent third-party data as a part of its analytical process, the portfolio management team performs its own independent analysis of issuers and does not rely solely on third-party screens. The fund’s approach to ESG investing incorporates fundamental research together with consideration of ESG criteria which may include, but are not limited to, those included in the following descriptions. Environmental criteria include, for example, a company’s or issuer’s carbon intensity and use of resources like water or minerals. ESG measures in this area might include plans to reduce waste, increase recycling, raise the proportion of energy supplied from renewable sources, greenhouse gas emissions per capita or improve product design to be less resource intensive. Social criteria include, for example, labor practices, supply chain management, and community relations. ESG measures in this area might include programs to improve employee well-being, commitment to workplace equality and diversity, or improved stewardship of supplier relationships and working conditions, lending to underserved populations, or the degree of universal health coverage. Governance criteria include, for example, board composition, executive compensation, debt structures that improve transparency and bondholders’ rights. ESG measures in this area might include improvements in board independence or diversity, alignment of governmental or management incentives with appropriate strategic ESG objectives, and disclosure of operating and ESG metrics to bondholders. In the corporate credit sector, the investment manager combines fundamental analysis with relevant ESG insights with a forward-looking perspective. The investment manager believes that this approach contributes to a more nuanced assessment of an issuer’s credit profile. The investment manager believes that securitized debt instruments present unique challenges in applying ESG criteria due to the presence of various asset types, counterparties involved, and the complex structure of the securitized debt market along with a lack of available ESG-related data. In evaluating securitized
debt instruments for potential investment, the investment manager takes a broad approach, analyzing both the terms of the transaction, including the asset type being securitized, the terms of the transaction, structure of the securitization, as well as key counterparties. Opportunities are analyzed at the asset level within each securitization and each subsector to identify assets that meet relevant ESG thresholds. Additionally, in evaluating securitized debt instruments, the investment manager analyzes relevant ESG criteria regarding the originator, servicers, or other relevant counterparties. In the sovereign debt sector, the investment manager uses quantitative modeling and fundamental research to evaluate countries across a variety of ESG criteria (i.e., natural resource dependence and level of public corruption) and non-ESG criteria (i.e., global economic conditions, market valuations, and technical factors. The investment manager believes that sovereign issuers with better ESG scores generally benefit from lower borrowing costs and that ESG criteria may influence the perception of the credit risk of a country’s debt. The investment manager evaluates ESG considerations using independent third-party data (where available), and also uses company or issuer disclosures and public data sources. The investment manager believes that ESG considerations are best analyzed in combination with a company’s or issuer’s fundamentals, including a company’s or issuer’s industry, location, strategic position, and key relationships. |
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| Risk [Heading] | rr_RiskHeading | Principal investment risks | |
| Risk [Text Block] | rr_RiskTextBlock |
investment policies and/or achieve its investment objective, as well as the ability of certain classes of investors to invest in funds, such as the fund, whose strategies include ESG criteria. Because fixed-income investments generally represent a promise to pay principal and interest by an issuer, and not an ownership interest, and may involve complex structures, ESG-related investment considerations may have a more limited impact on risk and return (or may have an impact over a different investment time horizon) relative to other asset classes, and this may be particularly true for shorter-term investments. In addition, holders of fixed-income investments do not typically have voting rights, unlike holders of equity investments who have the right to vote on issuer proposals.
The securities held by the fund may be traded in markets that close at a different time than the exchange on which the fund’s shares are listed. Liquidity in those securities may be reduced after the applicable closing times. Accordingly, during the time when the exchange is open but after the applicable market closing, fixing or settlement times, bid-ask spreads on the exchange and the corresponding premium or discount to the shares’ NAV may widen.
From time to time the fund may engage in frequent trading. Funds with high turnover may be more likely to realize capital gains that must be distributed to shareholders as taxable income. High turnover may also cause a fund to pay more brokerage commissions and to incur other transaction costs (including imputed transaction costs), which may detract from performance. The fund’s portfolio turnover rate and the amount of brokerage commissions it pays and transaction costs it incurs will vary over time based on market conditions.
An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. It is important to understand that you can lose money by investing in the fund. |
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| Bar Chart and Performance Table [Heading] | rr_BarChartAndPerformanceTableHeading | Performance | |
| Performance Narrative [Text Block] | rr_PerformanceNarrativeTextBlock | Performance information will be available after the fund completes a full calendar year of operation. |
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| Putnam ESG Ultra Short ETF | C000237596 | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Management Fees (as a percentage of Assets) | rr_ManagementFeesOverAssets | 0.25% | |
| Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | none | |
| Other Expenses (as a percentage of Assets): | rr_OtherExpensesOverAssets | none | |
| Expenses (as a percentage of Assets) | rr_ExpensesOverAssets | 0.25% | |
| Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | $ 26 | |
| Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 81 | |
| Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 141 | |
| Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | $ 318 | |
| Putnam ESG Ultra Short ETF | Risk Not Insured Depository Institution [Member] | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Risk [Text Block] | rr_RiskTextBlock | An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. | |
| Putnam ESG Ultra Short ETF | Risk Lose Money [Member] | |||
| Prospectus [Line Items] | rr_ProspectusLineItems | ||
| Risk [Text Block] | rr_RiskTextBlock | It is important to understand that you can lose money by investing in the fund. |