Shareholder Report |
12 Months Ended | |||||||||||||||||||||
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Dec. 31, 2025
USD ($)
Holding
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| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Document Type | N-CSR | |||||||||||||||||||||
| Amendment Flag | false | |||||||||||||||||||||
| Registrant Name | The Charles Schwab Family of Funds | |||||||||||||||||||||
| Entity Central Index Key | 0000857156 | |||||||||||||||||||||
| Entity Investment Company Type | N-1A | |||||||||||||||||||||
| Document Period End Date | Dec. 31, 2025 | |||||||||||||||||||||
| Schwab Prime Advantage Money Fund - Investor Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Prime Advantage Money Fund | |||||||||||||||||||||
| Class Name | Investor Shares | |||||||||||||||||||||
| Trading Symbol | SWVXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | 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 .
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| Material Fund Change Notice [Text Block] | This report describes changes to the fund that occurred during the reporting period. | |||||||||||||||||||||
| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 35 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.34% | [1] | ||||||||||||||||||||
| Net Assets | $ 394,825,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 734 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 680,601,233 | |||||||||||||||||||||
| 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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| Material Fund Change [Text Block] | FUND CHANGES This is a summary of certain changes to the fund since January 1, 2025. For more complete information, you may review the fund’s prospectus at www.schwabassetmanagement.com/prospectus or upon request by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com . ■ Effective April 28, 2025, the fund’s name changed from Schwab Value Advantage Money Fund ® to Schwab Prime Advantage Money Fund. |
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| Material Fund Change Name [Text Block] | Effective April 28, 2025, the fund’s name changed from Schwab Value Advantage Money Fund ® to Schwab Prime Advantage Money Fund.
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| Summary of Change Legend [Text Block] | This is a summary of certain changes to the fund since January 1, 2025. For more complete information, you may review the fund’s prospectus at www.schwabassetmanagement.com/prospectus or upon request by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com .
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| Updated Prospectus Phone Number | 1-866-414-6349 | |||||||||||||||||||||
| Updated Prospectus Email Address | orders@mysummaryprospectus.com | |||||||||||||||||||||
| Updated Prospectus Web Address | www.schwabassetmanagement.com/prospectus | |||||||||||||||||||||
| Schwab Prime Advantage Money Fund - Ultra Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Prime Advantage Money Fund | |||||||||||||||||||||
| Class Name | Ultra Shares | |||||||||||||||||||||
| Trading Symbol | SNAXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | 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 .
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| Material Fund Change Notice [Text Block] | This report describes changes to the fund that occurred during the reporting period. | |||||||||||||||||||||
| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 19 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.19% | [1] | ||||||||||||||||||||
| Net Assets | $ 394,825,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 734 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 680,601,233 | |||||||||||||||||||||
| 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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| Material Fund Change [Text Block] | FUND CHANGES This is a summary of certain changes to the fund since January 1, 2025. For more complete information, you may review the fund’s prospectus at www.schwabassetmanagement.com/prospectus or upon request by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com . ■ Effective April 28, 2025, the fund’s name changed from Schwab Value Advantage Money Fund ® to Schwab Prime Advantage Money Fund. |
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| Material Fund Change Name [Text Block] | Effective April 28, 2025, the fund’s name changed from Schwab Value Advantage Money Fund ® to Schwab Prime Advantage Money Fund.
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| Summary of Change Legend [Text Block] | This is a summary of certain changes to the fund since January 1, 2025. For more complete information, you may review the fund’s prospectus at www.schwabassetmanagement.com/prospectus or upon request by calling 1-866-414-6349 or by sending an email request to orders@mysummaryprospectus.com .
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| Updated Prospectus Phone Number | 1-866-414-6349 | |||||||||||||||||||||
| Updated Prospectus Email Address | orders@mysummaryprospectus.com | |||||||||||||||||||||
| Updated Prospectus Web Address | www.schwabassetmanagement.com/prospectus | |||||||||||||||||||||
| Schwab Government Money Fund - Sweep Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Government Money Fund | |||||||||||||||||||||
| Class Name | Sweep Shares | |||||||||||||||||||||
| Trading Symbol | SWGXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | 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 .
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 45 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.44% | [1] | ||||||||||||||||||||
| Net Assets | $ 90,564,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 332 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 149,719,184 | |||||||||||||||||||||
| 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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| Schwab Government Money Fund - Investor Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Government Money Fund | |||||||||||||||||||||
| Class Name | Investor Shares | |||||||||||||||||||||
| Trading Symbol | SNVXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025 .
|
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| Shareholder Report Annual or Semi-Annual | 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 .
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 35 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.34% | [1] | ||||||||||||||||||||
| Net Assets | $ 90,564,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 332 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 149,719,184 | |||||||||||||||||||||
| 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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| Schwab Government Money Fund - Ultra Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Government Money Fund | |||||||||||||||||||||
| Class Name | Ultra Shares | |||||||||||||||||||||
| Trading Symbol | SGUXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
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| Shareholder Report Annual or Semi-Annual | 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 .
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 19 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.19% | [1] | ||||||||||||||||||||
| Net Assets | $ 90,564,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 332 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 149,719,184 | |||||||||||||||||||||
| 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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| Schwab U.S. Treasury Money Fund - Investor Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab U.S. Treasury Money Fund | |||||||||||||||||||||
| Class Name | Investor Shares | |||||||||||||||||||||
| Trading Symbol | SNSXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
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| Shareholder Report Annual or Semi-Annual | 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 .
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 35 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.34% | [1] | ||||||||||||||||||||
| Net Assets | $ 100,048,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 76 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 170,018,574 | |||||||||||||||||||||
| 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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| Schwab U.S. Treasury Money Fund - Ultra Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab U.S. Treasury Money Fund | |||||||||||||||||||||
| Class Name | Ultra Shares | |||||||||||||||||||||
| Trading Symbol | SUTXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | 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 .
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 19 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.19% | [1] | ||||||||||||||||||||
| Net Assets | $ 100,048,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 76 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 170,018,574 | |||||||||||||||||||||
| 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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| Schwab Treasury Obligations Money Fund - Investor Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Treasury Obligations Money Fund | |||||||||||||||||||||
| Class Name | Investor Shares | |||||||||||||||||||||
| Trading Symbol | SNOXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | 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 .
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 35 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.34% | [1] | ||||||||||||||||||||
| Net Assets | $ 73,013,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 92 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 136,272,640 | |||||||||||||||||||||
| 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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| Schwab Treasury Obligations Money Fund - Ultra Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Treasury Obligations Money Fund | |||||||||||||||||||||
| Class Name | Ultra Shares | |||||||||||||||||||||
| Trading Symbol | SCOXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
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| Shareholder Report Annual or Semi-Annual | 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 .
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 19 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.19% | [1] | ||||||||||||||||||||
| Net Assets | $ 73,013,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 92 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 136,272,640 | |||||||||||||||||||||
| 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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| Schwab Retirement Government Money Fund | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Retirement Government Money Fund | |||||||||||||||||||||
| Class Name | Schwab Retirement Government Money Fund | |||||||||||||||||||||
| Trading Symbol | SNRXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
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| Shareholder Report Annual or Semi-Annual | 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 .
|
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 19 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.19% | [1] | ||||||||||||||||||||
| Net Assets | $ 2,676,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 308 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 4,228,579 | |||||||||||||||||||||
| 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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| Schwab Municipal Money Fund - Investor Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Municipal Money Fund | |||||||||||||||||||||
| Class Name | Investor Shares | |||||||||||||||||||||
| Trading Symbol | SWTXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
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| Shareholder Report Annual or Semi-Annual | 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 .
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 34 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.34% | [1] | ||||||||||||||||||||
| Net Assets | $ 19,190,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 1,419 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 31,745,847 | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
|||||||||||||||||||||
| Holdings [Text Block] | Portfolio Composition by Security Type % of Investments ![]() Portfolio Composition By Effective Maturity % of Investments ![]() Largest Holdings by State % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Largest Holdings [Text Block] | Largest Holdings by State % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Schwab Municipal Money Fund - Ultra Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab Municipal Money Fund | |||||||||||||||||||||
| Class Name | Ultra Shares | |||||||||||||||||||||
| Trading Symbol | SWOXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
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| Shareholder Report Annual or Semi-Annual | 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 .
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
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| Expenses Paid, Amount | $ 19 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.19% | [1] | ||||||||||||||||||||
| Net Assets | $ 19,190,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 1,419 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 31,745,847 | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
|||||||||||||||||||||
| Holdings [Text Block] | Portfolio Composition by Security Type % of Investments ![]() Portfolio Composition By Effective Maturity % of Investments ![]() Largest Holdings by State % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Largest Holdings [Text Block] | Largest Holdings by State % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Schwab AMT Tax-Free Money Fund - Investor Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab AMT Tax-Free Money Fund | |||||||||||||||||||||
| Class Name | Investor Shares | |||||||||||||||||||||
| Trading Symbol | SWWXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
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| Shareholder Report Annual or Semi-Annual | 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 .
|
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 34 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.34% | [1] | ||||||||||||||||||||
| Net Assets | $ 4,350,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 737 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 6,326,483 | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
|||||||||||||||||||||
| Holdings [Text Block] | Portfolio Composition by Security Type % of Investments ![]() Portfolio Composition By Effective Maturity % of Investments ![]() Largest Holdings by State % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Largest Holdings [Text Block] | Largest Holdings by State % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Schwab AMT Tax-Free Money Fund - Ultra Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab AMT Tax-Free Money Fund | |||||||||||||||||||||
| Class Name | Ultra Shares | |||||||||||||||||||||
| Trading Symbol | SCTXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
|||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | 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 .
|
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so lon g as the investment adviser serves as adviser to the fund. |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 19 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.19% | [1] | ||||||||||||||||||||
| Net Assets | $ 4,350,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 737 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 6,326,483 | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
|||||||||||||||||||||
| Holdings [Text Block] | Portfolio Composition by Security Type % of Investments ![]() Portfolio Composition By Effective Maturity % of Investments ![]() Largest Holdings by State % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Largest Holdings [Text Block] | Largest Holdings by State % of Investments ![]() Portfolio holdings may have changed since the report date. |
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| Schwab California Municipal Money Fund, Investor Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab California Municipal Money Fund | |||||||||||||||||||||
| Class Name | Investor Shares | |||||||||||||||||||||
| Trading Symbol | SWKXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
|||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | 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 .
|
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| 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 34 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.34% | [1] | ||||||||||||||||||||
| Net Assets | $ 9,358,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 441 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 16,377,532 | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
|||||||||||||||||||||
| 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. |
|||||||||||||||||||||
| Schwab California Municipal Money Fund - Ultra Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab California Municipal Money Fund | |||||||||||||||||||||
| Class Name | Ultra Shares | |||||||||||||||||||||
| Trading Symbol | SCAXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
|||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 19 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.19% | [1] | ||||||||||||||||||||
| Net Assets | $ 9,358,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 441 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 16,377,532 | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
|||||||||||||||||||||
| 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. |
|||||||||||||||||||||
| Schwab New York Municipal Money Fund - Investor Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab New York Municipal Money Fund | |||||||||||||||||||||
| Class Name | Investor Shares | |||||||||||||||||||||
| Trading Symbol | SWYXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
|||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 34 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.34% | [1] | ||||||||||||||||||||
| Net Assets | $ 3,255,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 390 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 5,024,277 | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
|||||||||||||||||||||
| 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. |
|||||||||||||||||||||
| Schwab New York Municipal Money Fund - Ultra Shares | ||||||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||||||
| Fund Name | Schwab New York Municipal Money Fund | |||||||||||||||||||||
| Class Name | Ultra Shares | |||||||||||||||||||||
| Trading Symbol | SNYXX | |||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the fund for the period of January 1, 2025, to December 31, 2025.
|
|||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | 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 year ENDED December 31, 2025 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
* Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. |
|||||||||||||||||||||
| Expenses Paid, Amount | $ 19 | [1] | ||||||||||||||||||||
| Expense Ratio, Percent | 0.19% | [1] | ||||||||||||||||||||
| Net Assets | $ 3,255,000,000 | |||||||||||||||||||||
| Holdings Count | Holding | 390 | |||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 5,024,277 | |||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Statistics
|
|||||||||||||||||||||
| 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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