Shareholder Report |
6 Months Ended | |||||||||||||||||||||
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Jun. 30, 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 | Jun. 30, 2026 | |||||||||||||||||||||
| Schwab U.S. TIPS ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab U.S. TIPS ETF | |||||||||||||||||||||
| Class Name | Schwab U.S. TIPS ETF | |||||||||||||||||||||
| Trading Symbol | SCHP | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 1 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.03% | [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 — Bloomberg ® and Bloomberg US Treasury Inflation-Linked Bond Index (Series-L) SM are service marks of Bloomberg Finance L.P. and its affiliates, including Bloomberg Index Services Limited (BISL), the administrator of the indices (collectively, Bloomberg). Bloomberg is not affiliated with Charles Schwab Investment Management, Inc., and Bloomberg does not approve, endorse, review, or recommend Schwab U.S. TIPS ETF. Bloomberg does not guarantee the timeliness, accurateness, or completeness of any data or information relating to Schwab U.S. TIPS ETF. 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 Bloomberg US Aggregate Bond 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 Bloomberg US Treasury Inflation-Linked Bond Index (Series-L) SM . The fund does not seek to track the regulatory index. |
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| Performance Inception Date | Aug. 05, 2010 | |||||||||||||||||||||
| 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 . |
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| Net Assets | $ 16,547,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 49 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 12.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments ![]() Portfolio holdings may have changed since the report date. 1 Less than 0.05%. 2 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Schwab Short-Term U.S. Treasury ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Short-Term U.S. Treasury ETF | |||||||||||||||||||||
| Class Name | Schwab Short-Term U.S. Treasury ETF | |||||||||||||||||||||
| Trading Symbol | SCHO | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 1 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.03% | [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 — Bloomberg ® and Bloomberg US Treasury 1-3 Year Index are service marks of Bloomberg Finance L.P. and its affiliates, including Bloomberg Index Services Limited (BISL), the administrator of the indices (collectively, Bloomberg). Bloomberg is not affiliated with Charles Schwab Investment Management, Inc., and Bloomberg does not approve, endorse, review, or recommend Schwab Short-Term U.S. Treasury ETF. Bloomberg does not guarantee the timeliness, accurateness, or completeness of any data or information relating to Schwab Short-Term U.S. Treasury ETF. 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 Bloomberg US Aggregate Bond 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 Bloomberg US Treasury 1-3 Year Index. The fund does not seek to track the regulatory index. |
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| Performance Inception Date | Aug. 05, 2010 | |||||||||||||||||||||
| 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 . |
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| Net Assets | $ 12,615,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 97 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 31.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments ![]() Portfolio holdings may have changed since the report date. 1 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Schwab Intermediate-Term U.S. Treasury ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Intermediate-Term U.S. Treasury ETF | |||||||||||||||||||||
| Class Name | Schwab Intermediate-Term U.S. Treasury ETF | |||||||||||||||||||||
| Trading Symbol | SCHR | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 1 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.03% | [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 — Bloomberg ® and Bloomberg US Treasury 3-10 Year Index are service marks of Bloomberg Finance L.P. and its affiliates, including Bloomberg Index Services Limited (BISL), the administrator of the indices (collectively, Bloomberg). Bloomberg is not affiliated with Charles Schwab Investment Management, Inc., and Bloomberg does not approve, endorse, review, or recommend Schwab Intermediate-Term U.S. Treasury ETF. Bloomberg does not guarantee the timeliness, accurateness, or completeness of any data or information relating to Schwab Intermediate-Term U.S. Treasury ETF. 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 Bloomberg US Aggregate Bond 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 Bloomberg US Treasury 3-10 Year Index. The fund does not seek to track the regulatory index. |
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| Performance Inception Date | Aug. 05, 2010 | |||||||||||||||||||||
| 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 . |
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| Net Assets | $ 13,386,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 102 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 24.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments ![]() Portfolio holdings may have changed since the report date. 1 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Schwab Long-Term U.S. Treasury ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Long-Term U.S. Treasury ETF | |||||||||||||||||||||
| Class Name | Schwab Long-Term U.S. Treasury ETF | |||||||||||||||||||||
| Trading Symbol | SCHQ | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 1 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.03% | [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 — Bloomberg ® and Bloomberg US Long Treasury Index are service marks of Bloomberg Finance L.P. and its affiliates, including Bloomberg Index Services Limited (BISL), the administrator of the indices (collectively, Bloomberg). Bloomberg is not affiliated with Charles Schwab Investment Management, Inc., and Bloomberg does not approve, endorse, review, or recommend Schwab Long-Term U.S. Treasury ETF. Bloomberg does not guarantee the timeliness, accurateness, or completeness of any data or information relating to Schwab Long-Term U.S. Treasury ETF. * Inception (10/10/2019) represents the date that the shares began trading in the secondary market. 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 Bloomberg US Aggregate Bond 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 Bloomberg US Long Treasury Index. The fund does not seek to track the regulatory index. |
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| Performance Inception Date | Oct. 10, 2019 | |||||||||||||||||||||
| 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 . |
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| Net Assets | $ 782,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 100 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 8.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments ![]() Portfolio holdings may have changed since the report date. 1 Less than 0.05%. 2 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Schwab U.S. Aggregate Bond ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab U.S. Aggregate Bond ETF | |||||||||||||||||||||
| Class Name | Schwab U.S. Aggregate Bond ETF | |||||||||||||||||||||
| Trading Symbol | SCHZ | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 1 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.03% | [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 — Bloomberg ® and Bloomberg US Aggregate Bond Index are service marks of Bloomberg Finance L.P. and its affiliates, including Bloomberg Index Services Limited (BISL), the administrator of the indices (collectively, Bloomberg). Bloomberg is not affiliated with Charles Schwab Investment Management, Inc., and Bloomberg does not approve, endorse, review, or recommend Schwab U.S. Aggregate Bond ETF. Bloomberg does not guarantee the timeliness, accurateness, or completeness of any data or information relating to Schwab U.S. Aggregate Bond ETF. 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. |
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| Performance Inception Date | Jul. 14, 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 . |
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| Net Assets | $ 10,602,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 12,355 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 20.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments ![]() Portfolio holdings may have changed since the report date. 1 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Schwab 1-5 Year Corporate Bond ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab 1-5 Year Corporate Bond ETF | |||||||||||||||||||||
| Class Name | Schwab 1-5 Year Corporate Bond ETF | |||||||||||||||||||||
| Trading Symbol | SCHJ | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 1 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.03% | [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 — Bloomberg ® and Bloomberg US 1-5 Year Corporate Bond Index are service marks of Bloomberg Finance L.P. and its affiliates, including Bloomberg Index Services Limited (BISL), the administrator of the indices (collectively, Bloomberg). Bloomberg is not affiliated with Charles Schwab Investment Management, Inc., and Bloomberg does not approve, endorse, review, or recommend Schwab 1-5 Year Corporate Bond ETF. Bloomberg does not guarantee the timeliness, accurateness, or completeness of any data or information relating to Schwab 1-5 Year Corporate Bond ETF. * Inception (10/10/2019) represents the date that the shares began trading in the secondary market. 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 Bloomberg US Aggregate Bond 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 Bloomberg US 1-5 Year Corporate Bond Index. The fund does not seek to track the regulatory index. |
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| Performance Inception Date | Oct. 10, 2019 | |||||||||||||||||||||
| 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 . |
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| Net Assets | $ 870,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 3,273 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 22.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments 1 ![]() Portfolio holdings may have changed since the report date. 1 Excludes derivatives. 2 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Schwab 5-10 Year Corporate Bond ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab 5-10 Year Corporate Bond ETF | |||||||||||||||||||||
| Class Name | Schwab 5-10 Year Corporate Bond ETF | |||||||||||||||||||||
| Trading Symbol | SCHI | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 1 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.03% | [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 — Bloomberg ® and Bloomberg US 5-10 Year Corporate Bond Index are service marks of Bloomberg Finance L.P. and its affiliates, including Bloomberg Index Services Limited (BISL), the administrator of the indices (collectively, Bloomberg). Bloomberg is not affiliated with Charles Schwab Investment Management, Inc., and Bloomberg does not approve, endorse, review, or recommend Schwab 5-10 Year Corporate Bond ETF. Bloomberg does not guarantee the timeliness, accurateness, or completeness of any data or information relating to Schwab 5-10 Year Corporate Bond ETF. * Inception (10/10/2019) represents the date that the shares began trading in the secondary market. 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 Bloomberg US Aggregate Bond 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 Bloomberg US 5-10 Year Corporate Bond Index. The fund does not seek to track the regulatory index. |
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| Performance Inception Date | Oct. 10, 2019 | |||||||||||||||||||||
| 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 . |
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| Net Assets | $ 11,609,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 2,328 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 23.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments 1 ![]() Portfolio holdings may have changed since the report date. 1 Excludes derivatives. 2 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Schwab Municipal Bond ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Municipal Bond ETF | |||||||||||||||||||||
| Class Name | Schwab Municipal Bond ETF | |||||||||||||||||||||
| Trading Symbol | SCMB | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 2 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.03% | [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. “ICE ® ” is a registered trademark of ICE Data Indices, LLC or its affiliates. This trademark has been licensed, along with the ICE AMT-Free Core U.S. National Municipal Index (“Index”) for use by Charles Schwab Investment Management, Inc., dba Schwab Asset Management, in connection with the Schwab Municipal Bond ETF. The Schwab Municipal Bond ETF is not sponsored, endorsed, sold or promoted by ICE Data Indices, LLC, its affiliates or its Third Party Suppliers (“ICE Data and its Suppliers”). ICE Data and its Suppliers make no representations or warranties regarding the advisability of investing in the Schwab Municipal Bond ETF. * Inception (10/12/2022) represents the date that the shares began trading in the secondary market. 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 Bloomberg Municipal Bond 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 ICE AMT-Free Core U.S. National Municipal Index. The fund does not seek to track the regulatory index. |
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| Performance Inception Date | Oct. 12, 2022 | |||||||||||||||||||||
| 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 . |
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| Net Assets | $ 3,981,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 6,851 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 4.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Schwab Core Bond ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Core Bond ETF | |||||||||||||||||||||
| Class Name | Schwab Core Bond ETF | |||||||||||||||||||||
| Trading Symbol | SCCR | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 8 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.16% | [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. * Inception (02/05/2025) represents the date that the shares began trading in the secondary market. 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. |
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| Performance Inception Date | Feb. 05, 2025 | |||||||||||||||||||||
| 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 . |
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| Net Assets | $ 1,497,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 548 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 48.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments ![]() Portfolio holdings may have changed since the report date. 1 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. |
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| Schwab Ultra-Short Income ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Ultra-Short Income ETF | |||||||||||||||||||||
| Class Name | Schwab Ultra-Short Income ETF | |||||||||||||||||||||
| Trading Symbol | SCUS | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 7 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.14% | [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. * Inception (08/13/2024) represents the date that the shares began trading in the secondary market. 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 Bloomberg US Aggregate Bond Index serves as the fund’s regulatory index and provides a broad measure of market performance. The ICE BofA US 3-Month Treasury Bill Index is the fund’s additional index and is more representative of the fund’s investment universe than the regulatory index. |
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| Performance Inception Date | Aug. 13, 2024 | |||||||||||||||||||||
| 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 . |
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| Net Assets | $ 242,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 154 | |||||||||||||||||||||
| Investment Company, Portfolio Turnover | 19.00% | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Portfolio Composition By Security Type % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Schwab Government Money Market ETF | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Government Money Market ETF | |||||||||||||||||||||
| Class Name | Schwab Government Money Market ETF | |||||||||||||||||||||
| Trading Symbol | SGVT | |||||||||||||||||||||
| Security Exchange Name | NYSEArca | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about the fund for the period of January 1, 2026, to June 30, 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 June 30, 2026 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Annualized. |
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| Expenses Paid, Amount | $ 14 | |||||||||||||||||||||
| Expense Ratio, Percent | 0.28% | [1] | ||||||||||||||||||||
| Net Assets | $ 777,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 213 | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
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| Holdings [Text Block] | Portfolio Composition by Security Type % of Investments ![]() Portfolio Composition By Effective Maturity % of Investments ![]() Portfolio holdings may have changed since the report date. |
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