Shareholder Report |
6 Months Ended | |||||||||||||||||||||||||||||||
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Aug. 31, 2026
USD ($)
Holding
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| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||
| Document Type | N-CSRS | |||||||||||||||||||||||||||||||
| Amendment Flag | false | |||||||||||||||||||||||||||||||
| Registrant Name | Schwab Strategic Trust | |||||||||||||||||||||||||||||||
| Entity Central Index Key | 0001454889 | |||||||||||||||||||||||||||||||
| Entity Investment Company Type | N-1A | |||||||||||||||||||||||||||||||
| Document Period End Date | Aug. 31, 2026 | |||||||||||||||||||||||||||||||
| Schwab U.S. REIT ETF | ||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||
| Fund Name | Schwab U.S. REIT ETF | |||||||||||||||||||||||||||||||
| Class Name | Schwab U.S. REIT ETF | |||||||||||||||||||||||||||||||
| Trading Symbol | SCHH | |||||||||||||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of March 1, 2026, to August 31, 2026. | |||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus. You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com. | |||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1-866-414-6349 | |||||||||||||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | |||||||||||||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | |||||||||||||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED August 31, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 4 | |||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 0.07% | [1] | ||||||||||||||||||||||||||||||
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | |||||||||||||||||||||||||||||||
| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total returns on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Shares are bought and sold at market price, which may be higher or lower than the net asset value (NAV). Brokerage commissions will reduce returns. Index ownership — Dow Jones ® is a registered trademark of Dow Jones Trademark Holdings LLC (Dow Jones). The Dow Jones Equity All REIT Capped Index (the Index) is a product of S&P Dow Jones Indices LLC, and the trademark and Index have been licensed for use by Charles Schwab Investment Management, Inc. The Schwab U.S. REIT ETF is not sponsored, endorsed, sold or promoted by S&P Dow Jones Indices LLC, Dow Jones, or any of their respective affiliates and neither S&P Dow Jones Indices LLC, Dow Jones, nor any of their respective affiliates make any representation regarding the advisability of investing in such product. 1 Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. 2 Performance is shown on a NAV basis. The fund’s per share NAV is the value of one share of the fund. NAV is calculated by taking the fund’s total assets (including the fair value of securities owned), subtracting liabilities, and dividing by the number of shares outstanding. Returns assume that dividends and capital gain distributions have been reinvested in the fund at NAV. 3 The S&P 500 ® Index 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 Dow Jones Equity All REIT Capped Index. The fund does not seek to track the regulatory index. 4 The inception date of the Dow Jones Equity All REIT Capped Index is April 13, 2020. The fund began tracking the index on June 22, 2020. |
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| Performance Inception Date | Jan. 13, 2011 | |||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus. | |||||||||||||||||||||||||||||||
| Net Assets | $ 11,202,000,000 | |||||||||||||||||||||||||||||||
| Holdings Count | Holding | 118 | |||||||||||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 3.00% | |||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Industry Weightings % of Investments1 Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. The Sector/Industry classifications in this report use the Global Industry Classification Standard (GICS) which was developed by and is the exclusive property of MSCI Inc. (MSCI) and Standard & Poor’s (S&P). GICS is a service mark of MSCI and S&P and has been licensed for use by Charles Schwab & Co., Inc. 1 Excludes derivatives. 2 Includes the fund’s position(s) in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Largest Holdings [Text Block] | Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. |
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| Schwab Fundamental U.S. Broad Market ETF | ||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||
| Fund Name | Schwab Fundamental U.S. Broad Market ETF | |||||||||||||||||||||||||||||||
| Class Name | Schwab Fundamental U.S. Broad Market ETF | |||||||||||||||||||||||||||||||
| Trading Symbol | FNDB | |||||||||||||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of March 1, 2026, to August 31, 2026. | |||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | Semi-Annual shareholder report | |||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus. You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com. | |||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1-866-414-6349 | |||||||||||||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | |||||||||||||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | |||||||||||||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED August 31, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 13 | |||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 0.25% | [1] | ||||||||||||||||||||||||||||||
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | |||||||||||||||||||||||||||||||
| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total returns on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Shares are bought and sold at market price, which may be higher or lower than the net asset value (NAV). Brokerage commissions will reduce returns. Index ownership — The RAFI Fundamental High Liquidity US All Index (the Index) is a service mark of RAFI Indices, LLC or its affiliates (collectively, RAFI) and has been licensed for use by Charles Schwab Investment Management, Inc. The intellectual and other property rights to the Index are owned by or licensed to RAFI. The Schwab Fundamental U.S. Broad Market ETF is not sponsored, endorsed, sold or promoted by RAFI, its agents or service providers (collectively, the RAFI Parties). The RAFI Parties: (i) make no representation or warranty as to the results to be obtained from the use of the Index or otherwise; and (ii) shall not be liable (whether in negligence or otherwise) to any person for any error in the Index. For full disclaimer, please see the fund’s statement of additional information. 1 Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. 2 Performance is shown on a NAV basis. The fund’s per share NAV is the value of one share of the fund. NAV is calculated by taking the fund’s total assets (including the fair value of securities owned), subtracting liabilities, and dividing by the number of shares outstanding. Returns assume that dividends and capital gain distributions have been reinvested in the fund at NAV. 3 The Russell 3000 ® Index 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 RAFI Fundamental High Liquidity US All Index. The fund does not seek to track the regulatory index. 4 The inception date of the RAFI Fundamental High Liquidity US All Index is January 31, 2024. The fund began tracking the index on June 21, 2024. |
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| Performance Inception Date | Aug. 15, 2013 | |||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus. | |||||||||||||||||||||||||||||||
| Net Assets | $ 1,486,000,000 | |||||||||||||||||||||||||||||||
| Holdings Count | Holding | 1,624 | |||||||||||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 7.00% | |||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
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| Holdings [Text Block] | Sector Weightings % of Investments1 Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. The Sector/Industry classifications in this report use the Global Industry Classification Standard (GICS) which was developed by and is the exclusive property of MSCI Inc. (MSCI) and Standard & Poor’s (S&P). GICS is a service mark of MSCI and S&P and has been licensed for use by Charles Schwab & Co., Inc. 1 Excludes derivatives. 2 Includes the fund’s position(s) in money market mutual funds registered under the Investment Company Act of 1940, as amended. 3 Amount is less than 0.05%. |
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| Largest Holdings [Text Block] | Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. |
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| Schwab Fundamental U.S. Large Company ETF | ||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||
| Fund Name | Schwab Fundamental U.S. Large Company ETF | |||||||||||||||||||||||||||||||
| Class Name | Schwab Fundamental U.S. Large Company ETF | |||||||||||||||||||||||||||||||
| Trading Symbol | FNDX | |||||||||||||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of March 1, 2026, to August 31, 2026. | |||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | Semi-Annual shareholder report | |||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus. You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com. | |||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1-866-414-6349 | |||||||||||||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | |||||||||||||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | |||||||||||||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED August 31, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 13 | |||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 0.25% | [1] | ||||||||||||||||||||||||||||||
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | |||||||||||||||||||||||||||||||
| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total returns on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Shares are bought and sold at market price, which may be higher or lower than the net asset value (NAV). Brokerage commissions will reduce returns. Index ownership — The RAFI Fundamental High Liquidity US Large Index (the Index) is a service mark of RAFI Indices, LLC or its affiliates (collectively, RAFI) and has been licensed for use by Charles Schwab Investment Management, Inc. The intellectual and other property rights to the Index are owned by or licensed to RAFI. The Schwab Fundamental U.S. Large Company ETF is not sponsored, endorsed, sold or promoted by RAFI, its agents or service providers (collectively, the RAFI Parties). The RAFI Parties: (i) make no representation or warranty as to the results to be obtained from the use of the Index or otherwise; and (ii) shall not be liable (whether in negligence or otherwise) to any person for any error in the Index. For full disclaimer, please see the fund’s statement of additional information. 1 Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. 2 Performance is shown on a NAV basis. The fund’s per share NAV is the value of one share of the fund. NAV is calculated by taking the fund’s total assets (including the fair value of securities owned), subtracting liabilities, and dividing by the number of shares outstanding. Returns assume that dividends and capital gain distributions have been reinvested in the fund at NAV. 3 The Russell 1000 ® Index 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 RAFI Fundamental High Liquidity US Large Index. The fund does not seek to track the regulatory index. 4 The inception date of the RAFI Fundamental High Liquidity US Large Index is January 31, 2024. The fund began tracking the index on June 21, 2024. |
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| Performance Inception Date | Aug. 15, 2013 | |||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus. | |||||||||||||||||||||||||||||||
| Net Assets | $ 27,594,000,000 | |||||||||||||||||||||||||||||||
| Holdings Count | Holding | 732 | |||||||||||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 6.00% | |||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Sector Weightings % of Investments1 Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. The Sector/Industry classifications in this report use the Global Industry Classification Standard (GICS) which was developed by and is the exclusive property of MSCI Inc. (MSCI) and Standard & Poor’s (S&P). GICS is a service mark of MSCI and S&P and has been licensed for use by Charles Schwab & Co., Inc. 1 Excludes derivatives. 2 Includes the fund’s position(s) in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Largest Holdings [Text Block] | Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. |
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| Schwab Fundamental U.S. Small Company ETF | ||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||
| Fund Name | Schwab Fundamental U.S. Small Company ETF | |||||||||||||||||||||||||||||||
| Class Name | Schwab Fundamental U.S. Small Company ETF | |||||||||||||||||||||||||||||||
| Trading Symbol | FNDA | |||||||||||||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of March 1, 2026, to August 31, 2026. | |||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | Semi-Annual shareholder report | |||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus. You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com. | |||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1-866-414-6349 | |||||||||||||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | |||||||||||||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | |||||||||||||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED August 31, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 13 | |||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 0.25% | [1] | ||||||||||||||||||||||||||||||
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | |||||||||||||||||||||||||||||||
| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total returns on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Shares are bought and sold at market price, which may be higher or lower than the net asset value (NAV). Brokerage commissions will reduce returns. Index ownership — The RAFI Fundamental High Liquidity US Small Index (the Index) is a service mark of RAFI Indices, LLC or its affiliates (collectively, RAFI) and has been licensed for use by Charles Schwab Investment Management, Inc. The intellectual and other property rights to the Index are owned by or licensed to RAFI. The Schwab Fundamental U.S. Small Company ETF is not sponsored, endorsed, sold or promoted by RAFI, its agents or service providers (collectively, the RAFI Parties). The RAFI Parties: (i) make no representation or warranty as to the results to be obtained from the use of the Index or otherwise; and (ii) shall not be liable (whether in negligence or otherwise) to any person for any error in the Index. For full disclaimer, please see the fund’s statement of additional information. 1 Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. 2 Performance is shown on a NAV basis. The fund’s per share NAV is the value of one share of the fund. NAV is calculated by taking the fund’s total assets (including the fair value of securities owned), subtracting liabilities, and dividing by the number of shares outstanding. Returns assume that dividends and capital gain distributions have been reinvested in the fund at NAV. 3 The S&P 500 ® Index 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 RAFI Fundamental High Liquidity US Small Index. The fund does not seek to track the regulatory index. 4 The inception date of the RAFI Fundamental High Liquidity US Small Index is January 31, 2024. The fund began tracking the index on June 21, 2024. |
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| Performance Inception Date | Aug. 15, 2013 | |||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus. | |||||||||||||||||||||||||||||||
| Net Assets | $ 9,107,000,000 | |||||||||||||||||||||||||||||||
| Holdings Count | Holding | 916 | |||||||||||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 11.00% | |||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
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| Holdings [Text Block] | Sector Weightings % of Investments1 Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. The Sector/Industry classifications in this report use the Global Industry Classification Standard (GICS) which was developed by and is the exclusive property of MSCI Inc. (MSCI) and Standard & Poor’s (S&P). GICS is a service mark of MSCI and S&P and has been licensed for use by Charles Schwab & Co., Inc. 1 Excludes derivatives. 2 Includes the fund’s position(s) in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Largest Holdings [Text Block] | Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. |
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| Schwab Fundamental International Equity ETF | ||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||
| Fund Name | Schwab Fundamental International Equity ETF | |||||||||||||||||||||||||||||||
| Class Name | Schwab Fundamental International Equity ETF | |||||||||||||||||||||||||||||||
| Trading Symbol | FNDF | |||||||||||||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of March 1, 2026, to August 31, 2026. | |||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | Semi-Annual shareholder report | |||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus. You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com. | |||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1-866-414-6349 | |||||||||||||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | |||||||||||||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | |||||||||||||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED August 31, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 13 | |||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 0.25% | [1] | ||||||||||||||||||||||||||||||
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | |||||||||||||||||||||||||||||||
| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total returns on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Shares are bought and sold at market price, which may be higher or lower than the net asset value (NAV). Brokerage commissions will reduce returns. Index ownership — The RAFI Fundamental High Liquidity Developed ex US Large Index (the Index) is a service mark of RAFI Indices, LLC or its affiliates (collectively, RAFI) and has been licensed for use by Charles Schwab Investment Management, Inc. The intellectual and other property rights to the Index are owned by or licensed to RAFI. The Schwab Fundamental International Equity ETF is not sponsored, endorsed, sold or promoted by RAFI, its agents or service providers (collectively, the RAFI Parties). The RAFI Parties: (i) make no representation or warranty as to the results to be obtained from the use of the Index or otherwise; and (ii) shall not be liable (whether in negligence or otherwise) to any person for any error in the Index. For full disclaimer, please see the fund’s statement of additional information. 1 Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. 2 Performance is shown on a NAV basis. The fund’s per share NAV is the value of one share of the fund. NAV is calculated by taking the fund’s total assets (including the fair value of securities owned), subtracting liabilities, and dividing by the number of shares outstanding. Returns assume that dividends and capital gain distributions have been reinvested in the fund at NAV. 3 The fund’s performance relative to the index may be affected by fair-value pricing and timing differences in foreign exchange calculations. 4 The net version of the index reflects reinvested dividends net of withholding taxes but reflects no deductions for expenses or other taxes. 5 The MSCI EAFE ® 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 RAFI Fundamental High Liquidity Developed ex US Large Index (Net). The fund does not seek to track the regulatory index. 6 The inception date of the RAFI Fundamental High Liquidity Developed ex US Large Index (Net) is January 31, 2024. The fund began tracking the index on June 21, 2024. |
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| Performance Inception Date | Aug. 15, 2013 | |||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus. | |||||||||||||||||||||||||||||||
| Net Assets | $ 26,178,000,000 | |||||||||||||||||||||||||||||||
| Holdings Count | Holding | 889 | |||||||||||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 10.00% | |||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Sector Weightings % of Investments1 Top Equity Holdings % of Net Assets Country Weightings % of Investments 1 ![]() Portfolio holdings may have changed since the report date. The Sector/Industry classifications in this report use the Global Industry Classification Standard (GICS) which was developed by and is the exclusive property of MSCI Inc. (MSCI) and Standard & Poor’s (S&P). GICS is a service mark of MSCI and S&P and has been licensed for use by Charles Schwab & Co., Inc. 1 Excludes derivatives. 2 Includes the fund’s position(s) in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Largest Holdings [Text Block] | Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. |
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| Schwab Fundamental International Small Equity ETF | ||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||
| Fund Name | Schwab Fundamental International Small Equity ETF | |||||||||||||||||||||||||||||||
| Class Name | Schwab Fundamental International Small Equity ETF | |||||||||||||||||||||||||||||||
| Trading Symbol | FNDC | |||||||||||||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of March 1, 2026, to August 31, 2026. | |||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus. You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com. | |||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1-866-414-6349 | |||||||||||||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | |||||||||||||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | |||||||||||||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED August 31, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 20 | |||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 0.39% | [1] | ||||||||||||||||||||||||||||||
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | |||||||||||||||||||||||||||||||
| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total returns on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Shares are bought and sold at market price, which may be higher or lower than the net asset value (NAV). Brokerage commissions will reduce returns. Index ownership — The RAFI Fundamental High Liquidity Developed ex US Small Index (the Index) is a service mark of RAFI Indices, LLC or its affiliates (collectively, RAFI) and has been licensed for use by Charles Schwab Investment Management, Inc. The intellectual and other property rights to the Index are owned by or licensed to RAFI. The Schwab Fundamental International Small Equity ETF is not sponsored, endorsed, sold or promoted by RAFI, its agents or service providers (collectively, the RAFI Parties). The RAFI Parties: (i) make no representation or warranty as to the results to be obtained from the use of the Index or otherwise; and (ii) shall not be liable (whether in negligence or otherwise) to any person for any error in the Index. For full disclaimer, please see the fund’s statement of additional information. 1 Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. 2 Performance is shown on a NAV basis. The fund’s per share NAV is the value of one share of the fund. NAV is calculated by taking the fund’s total assets (including the fair value of securities owned), subtracting liabilities, and dividing by the number of shares outstanding. Returns assume that dividends and capital gain distributions have been reinvested in the fund at NAV. 3 The fund’s performance relative to the index may be affected by fair-value pricing and timing differences in foreign exchange calculations. 4 The net version of the index reflects reinvested dividends net of withholding taxes but reflects no deductions for expenses or other taxes. 5 The MSCI EAFE ® 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 RAFI Fundamental High Liquidity Developed ex US Small Index (Net). The fund does not seek to track the regulatory index. 6 The inception date of the RAFI Fundamental High Liquidity Developed ex US Small Index (Net) is January 31, 2024. The fund began tracking the index on June 21, 2024. |
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| Performance Inception Date | Aug. 15, 2013 | |||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus. | |||||||||||||||||||||||||||||||
| Net Assets | $ 3,183,000,000 | |||||||||||||||||||||||||||||||
| Holdings Count | Holding | 1,571 | |||||||||||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 13.00% | |||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Sector Weightings % of Investments1 Top Equity Holdings % of Net Assets Country Weightings % of Investments 1 ![]() Portfolio holdings may have changed since the report date. The Sector/Industry classifications in this report use the Global Industry Classification Standard (GICS) which was developed by and is the exclusive property of MSCI Inc. (MSCI) and Standard & Poor’s (S&P). GICS is a service mark of MSCI and S&P and has been licensed for use by Charles Schwab & Co., Inc. 1 Excludes derivatives. 2 Includes the fund’s position(s) in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Largest Holdings [Text Block] | Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. |
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| Schwab Fundamental Emerging Markets Equity ETF | ||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||||||||||||
| Fund Name | Schwab Fundamental Emerging Markets Equity ETF | |||||||||||||||||||||||||||||||
| Class Name | Schwab Fundamental Emerging Markets Equity ETF | |||||||||||||||||||||||||||||||
| Trading Symbol | FNDE | |||||||||||||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of March 1, 2026, to August 31, 2026. | |||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/prospectus. You can also request this information by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com. | |||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1-866-414-6349 | |||||||||||||||||||||||||||||||
| Additional Information Email | orders@mysummaryprospectus.com | |||||||||||||||||||||||||||||||
| Additional Information Website | www.schwabassetmanagement.com/prospectus | |||||||||||||||||||||||||||||||
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED August 31, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 20 | |||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 0.39% | [1] | ||||||||||||||||||||||||||||||
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. | |||||||||||||||||||||||||||||||
| Average Annual Return [Table Text Block] | Average Annual Total Returns
All total returns on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Shares are bought and sold at market price, which may be higher or lower than the net asset value (NAV). Brokerage commissions will reduce returns. Index ownership — The RAFI Fundamental High Liquidity Emerging Markets Index (the Index) is a service mark of RAFI Indices, LLC or its affiliates (collectively, RAFI) and has been licensed for use by Charles Schwab Investment Management, Inc. The intellectual and other property rights to the Index are owned by or licensed to RAFI. The Schwab Fundamental Emerging Markets Equity ETF is not sponsored, endorsed, sold or promoted by RAFI, its agents or service providers (collectively, the RAFI Parties). The RAFI Parties: (i) make no representation or warranty as to the results to be obtained from the use of the Index or otherwise; and (ii) shall not be liable (whether in negligence or otherwise) to any person for any error in the Index. For full disclaimer, please see the fund’s statement of additional information. 1 Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. 2 Performance is shown on a NAV basis. The fund’s per share NAV is the value of one share of the fund. NAV is calculated by taking the fund’s total assets (including the fair value of securities owned), subtracting liabilities, and dividing by the number of shares outstanding. Returns assume that dividends and capital gain distributions have been reinvested in the fund at NAV. 3 The fund’s performance relative to the index may be affected by fair-value pricing and timing differences in foreign exchange calculations. 4 The net version of the index reflects reinvested dividends net of withholding taxes but reflects no deductions for expenses or other taxes. 5 The MSCI Emerging Markets 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 RAFI Fundamental High Liquidity Emerging Markets Index (Net). The fund does not seek to track the regulatory index. 6 The inception date of the RAFI Fundamental High Liquidity Emerging Markets Index (Net) is January 31, 2024. The fund began tracking the index on June 21, 2024. |
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| Performance Inception Date | Aug. 15, 2013 | |||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus. | |||||||||||||||||||||||||||||||
| Net Assets | $ 10,339,000,000 | |||||||||||||||||||||||||||||||
| Holdings Count | Holding | 364 | |||||||||||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 8.00% | |||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
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| Holdings [Text Block] | Sector Weightings % of Investments1 Top Equity Holdings % of Net Assets Country Weightings % of Investments 1 ![]() Portfolio holdings may have changed since the report date. The Sector/Industry classifications in this report use the Global Industry Classification Standard (GICS) which was developed by and is the exclusive property of MSCI Inc. (MSCI) and Standard & Poor’s (S&P). GICS is a service mark of MSCI and S&P and has been licensed for use by Charles Schwab & Co., Inc. 1 Excludes derivatives. 2 Includes the fund’s position(s) in money market mutual funds registered under the Investment Company Act of 1940, as amended . |
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| Largest Holdings [Text Block] | Top Equity Holdings % of Net Assets Portfolio holdings may have changed since the report date. |
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