v3.25.2
Shareholder Report
6 Months Ended
Jun. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
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 Jun. 30, 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Prime Advantage Money Fund, Investor Shares*
$17
0.34%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the
investment
adviser
serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 17 [1]
Expense Ratio, Percent 0.34% [1],[2]
Net Assets $ 371,120,000,000
Holdings Count | Holding 762
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$371,120
Number of Holdings
762
Weighted Average Maturity
21 Days
Seven-Day Yield (with waivers)
4.16%
Seven-Day Yield (without waivers)
4.16%
Seven-Day Effective Yield (with waivers)
4.25%
 
 
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Prime Advantage Money Fund, Ultra Shares*
$10
0.19%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 10 [1]
Expense Ratio, Percent 0.19% [1],[2]
Net Assets $ 371,120,000,000
Holdings Count | Holding 762
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$371,120
Number of Holdings
762
Weighted Average Maturity
21 Days
Seven-Day Yield (with waivers)
4.31%
Seven-Day Yield (without waivers)
4.31%
Seven-Day Effective Yield (with waivers)
4.41%
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Government Money Fund, Sweep Shares*
$22
0.44%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 22 [1]
Expense Ratio, Percent 0.44% [1],[2]
Net Assets $ 81,085,000,000
Holdings Count | Holding 297
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$81,085
Number of Holdings
297
Weighted Average Maturity
35 Days
Seven-Day Yield (with waivers)
3.96%
Seven-Day Yield (without waivers)
3.95%
Seven-Day Effective Yield (with waivers)
4.04%
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Government Money Fund, Investor Shares*
$17
0.34%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 17 [1]
Expense Ratio, Percent 0.34% [1],[2]
Net Assets $ 81,085,000,000
Holdings Count | Holding 297
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$81,085
Number of Holdings
297
Weighted Average Maturity
35 Days
Seven-Day Yield (with waivers)
4.06%
Seven-Day Yield (without waivers)
4.05%
Seven-Day Effective Yield (with waivers)
4.14%
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Government Money Fund, Ultra Shares*
$10
0.19%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 10 [1]
Expense Ratio, Percent 0.19% [1],[2]
Net Assets $ 81,085,000,000
Holdings Count | Holding 297
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$81,085
Number of Holdings
297
Weighted Average Maturity
35 Days
Seven-Day Yield (with waivers)
4.21%
Seven-Day Yield (without waivers)
4.20%
Seven-Day Effective Yield (with waivers)
4.30%
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab U.S. Treasury Money Fund, Investor Shares*
$17
0.34%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 17 [1]
Expense Ratio, Percent 0.34% [1],[2]
Net Assets $ 92,451,000,000
Holdings Count | Holding 44
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$92,451
Number of Holdings
44
Weighted Average Maturity
38 Days
Seven-Day Yield (with waivers)
3.89%
Seven-Day Yield (without waivers)
3.88%
Seven-Day Effective Yield (with waivers)
3.96%
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab U.S. Treasury Money Fund, Ultra Shares*
$10
0.19%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 10 [1]
Expense Ratio, Percent 0.19% [1],[2]
Net Assets $ 92,451,000,000
Holdings Count | Holding 44
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$92,451
Number of Holdings
44
Weighted Average Maturity
38 Days
Seven-Day Yield (with waivers)
4.04%
Seven-Day Yield (without waivers)
4.03%
Seven-Day Effective Yield (with waivers)
4.12%
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Treasury Obligations Money Fund, Investor Shares*
$17
0.34%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 17 [1]
Expense Ratio, Percent 0.34% [1],[2]
Net Assets $ 74,269,000,000
Holdings Count | Holding 78
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$74,269
Number of Holdings
78
Weighted Average Maturity
34 Days
Seven-Day Yield (with waivers)
4.03%
Seven-Day Yield (without waivers)
4.02%
Seven-Day Effective Yield (with waivers)
4.11%
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Treasury Obligations Money Fund, Ultra Shares*
$10
0.19%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 10 [1]
Expense Ratio, Percent 0.19% [1],[2]
Net Assets $ 74,269,000,000
Holdings Count | Holding 78
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$74,269
Number of Holdings
78
Weighted Average Maturity
34 Days
Seven-Day Yield (with waivers)
4.18%
Seven-Day Yield (without waivers)
4.17%
Seven-Day Effective Yield (with waivers)
4.26%
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Municipal Money Fund, Investor Shares*
$17
0.34%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 17 [1]
Expense Ratio, Percent 0.34% [1],[2]
Net Assets $ 17,057,000,000
Holdings Count | Holding 1,175
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$17,057
Number of Holdings
1,175
Weighted Average Maturity
33 Days
Seven-Day Yield (with waivers)
2.29%
Seven-Day Yield (without waivers)
2.29%
Seven-Day Effective Yield (with waivers)
2.32%
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.
Largest Holdings [Text Block]
Largest Holdings by State % of Investments
Portfolio holdings may have changed since the report date.
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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Municipal Money Fund, Ultra Shares*
$9
0.19%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 9 [1]
Expense Ratio, Percent 0.19% [1],[2]
Net Assets $ 17,057,000,000
Holdings Count | Holding 1,175
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$17,057
Number of Holdings
1,175
Weighted Average Maturity
33 Days
Seven-Day Yield (with waivers)
2.44%
Seven-Day Yield (without waivers)
2.44%
Seven-Day Effective Yield (with waivers)
2.47%
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 si
nce th
e report date.
Largest Holdings [Text Block]
Largest Holdings by State % of Investments
Portfolio holdings may have changed si
nce th
e report date.
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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab AMT Tax-Free Money Fund, Investor Shares*
$17
0.34%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 17 [1]
Expense Ratio, Percent 0.34% [1],[2]
Net Assets $ 3,543,000,000
Holdings Count | Holding 560
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$3,543
Number of Holdings
560
Weighted Average Maturity
32 Days
Seven-Day Yield (with waivers)
2.32%
Seven-Day Yield (without waivers)
2.30%
Seven-Day Effective Yield (with waivers)
2.34%
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.
Largest Holdings [Text Block]
Largest Holdings by State % of Investments
Portfolio holdings may have changed since the report date.
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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab AMT Tax-Free Money Fund, Ultra Shares*
$9
0.19%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 9 [1]
Expense Ratio, Percent 0.19% [1],[2]
Net Assets $ 3,543,000,000
Holdings Count | Holding 560
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$3,543
Number of Holdings
560
Weighted Average Maturity
32 Days
Seven-Day Yield (with waivers)
2.47%
Seven-Day Yield (without waivers)
2.45%
Seven-Day Effective Yield (with waivers)
2.50%
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.
Largest Holdings [Text Block]
Largest Holdings by State % of Investments
Portfolio holdings may have changed since the report date.
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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab California Municipal Money Fund, Investor Shares*
$17
0.34%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 17 [1]
Expense Ratio, Percent 0.34% [1],[2]
Net Assets $ 9,079,000,000
Holdings Count | Holding 467
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$9,079
Number of Holdings
467
Weighted Average Maturity
33 Days
Seven-Day Yield (with waivers)
1.84%
Seven-Day Yield (without waivers)
1.83%
Seven-Day Effective Yield (with waivers)
1.86%
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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab California Municipal Money Fund, Ultra Shares*
$9
0.19%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 9 [1]
Expense Ratio, Percent 0.19% [1],[2]
Net Assets $ 9,079,000,000
Holdings Count | Holding 467
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$9,079
Number of Holdings
467
Weighted Average Maturity
33 Days
Seven-Day Yield (with waivers)
1.99%
Seven-Day Yield (without waivers)
1.98%
Seven-Day Effective Yield (with waivers)
2.01%
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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab New York Municipal Money Fund, Investor Shares*
$17
0.34%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 17 [1]
Expense Ratio, Percent 0.34% [1],[2]
Net Assets $ 2,897,000,000
Holdings Count | Holding 363
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$2,897
Number of Holdings
363
Weighted Average Maturity
31 Days
Seven-Day Yield (with waivers)
2.24%
Seven-Day Yield (without waivers)
2.23%
Seven-Day Effective Yield (with waivers)
2.27%
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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab New York Municipal Money Fund, Ultra Shares*
$9
0.19%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 9 [1]
Expense Ratio, Percent 0.19% [1],[2]
Net Assets $ 2,897,000,000
Holdings Count | Holding 363
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$2,897
Number of Holdings
363
Weighted Average Maturity
31 Days
Seven-Day Yield (with waivers)
2.39%
Seven-Day Yield (without waivers)
2.38%
Seven-Day Effective Yield (with waivers)
2.42%
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 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
semiannual shareholder report
contains important information about the fund for the period of January 1, 2025, to June 30,
2025.
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, 2025
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Retirement Government Money Fund*
$10
0.19%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long a
s the in
vestment adviser serves as adviser to the fund.
**
Annualized.
Expenses Paid, Amount $ 10 [1]
Expense Ratio, Percent 0.19% [1],[2]
Net Assets $ 2,480,000,000
Holdings Count | Holding 273
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$2,480
Number of Holdings
273
Weighted
Average
Maturity
35 Days
Seven-Day Yield (with waivers)
4.22%
Seven-Day Yield (without waivers)
4.20%
Seven-Day Effective Yield (with waivers)
4.30%
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.
[1] Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund.
[2] Annualized.