Performance Management - Schwab Crypto Thematic ETF |
Jul. 28, 2026 |
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| Prospectus [Line Items] | |||||
| Bar Chart and Performance Table [Heading] | Performance | ||||
| Performance Narrative [Text Block] | The bar chart below shows how the fund’s investment results have varied from year to year, and the following table shows how the fund’s average annual total returns for various periods compared to that of one or more indices. The MSCI ACWI Index (Net) serves as the fund’s regulatory index and provides a broad measure of market performance. The fund generally invests in securities that are included in the Schwab Crypto Thematic Index. The fund does not seek to track the regulatory index. This information provides some indication of the risks of investing in the fund. All figures assume distributions were reinvested. Keep in mind that future performance (both before and after taxes) may differ from past performance. For current performance information, please see www.schwabassetmanagement.com/prospectus. |
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| Performance Past Does Not Indicate Future [Text] | Keep in mind that future performance (both before and after taxes) may differ from past performance. | ||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart below shows how the fund’s investment results have varied from year to year, and the following table shows how the fund’s average annual total returns for various periods compared to that of one or more indices. | ||||
| Performance Additional Market Index [Text] | The fund generally invests in securities that are included in the Schwab Crypto Thematic Index. | ||||
| Bar Chart [Heading] | Annual Total Returns (%) as of 12/31 | ||||
| Bar Chart Closing [Text Block] |
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| Performance Table Uses Highest Federal Rate | The after-tax figures reflect the highest individual federal income tax rates in effect during the period and do not reflect the impact of state and local taxes. | ||||
| Performance Table Not Relevant to Tax Deferred | Your actual after-tax returns depend on your individual tax situation. In addition, after-tax returns are not relevant if you hold your fund shares through a tax-deferred arrangement, such as a 401(k) plan, an individual retirement account (IRA) or other tax-advantaged account. | ||||
| Performance [Table] |
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| Average Annual Return, Caption [Optional Text] | Average Annual Total Returns as of 12/31/25 | ||||
| Performance Table Closing [Text Block] | The after-tax figures reflect the highest individual federal income tax rates in effect during the period and do not reflect the impact of state and local taxes. Your actual after-tax returns depend on your individual tax situation. In addition, after-tax returns are not relevant if you hold your fund shares through a tax-deferred arrangement, such as a 401(k) plan, an individual retirement account (IRA) or other tax-advantaged account. |
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| Performance Availability Website Address [Text] | www.schwabassetmanagement.com/prospectus | ||||
| Schwab Crypto Thematic ETF | |||||
| Prospectus [Line Items] | |||||
| Year to Date Return, Label [Optional Text] | Year-to-date performance (before taxes) | ||||
| Bar Chart, Year to Date Return | 16.49% | ||||
| Bar Chart, Year to Date Return, Date | Jun. 30, 2026 | ||||
| Highest Quarterly Return, Label [Optional Text] | Best Quarter: | ||||
| Highest Quarterly Return | 64.66% | ||||
| Highest Quarterly Return, Date | Dec. 31, 2023 | ||||
| Lowest Quarterly Return, Label [Optional Text] | Worst Quarter: | ||||
| Lowest Quarterly Return | (27.13%) | ||||
| Lowest Quarterly Return, Date | Mar. 31, 2025 | ||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | reflects nodeduction for fees, expenses, or taxes |