v3.26.1
Shareholder Report
6 Months Ended
Jun. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Schwab Capital Trust
Entity Central Index Key 0000904333
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2026
Schwab Monthly Income Fund – Target Payout  
Shareholder Report [Line Items]  
Fund Name Schwab Monthly Income Fund – Target Payout
Class Name Schwab Monthly Income Fund – Target Payout
Trading Symbol SWJRX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report 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)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Monthly Income Fund – Target Payout*
$0
0.00%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. This agreement to limit the total annual
fund operating expenses is limited to the fund’s direct operating expenses and, therefore, does not apply to acquired fund fees and expenses (AFFE), which are indirect
expenses incurred by the fund through its investments in the underlying funds.
**
Annualized.
Expenses Paid, Amount $ 0 [1]
Expense Ratio, Percent 0.00% [1],[2]
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
Fund and Inception Date
6 Months
1 Year
5 Years
10 Years
Fund: Schwab Monthly Income Fund – Target Payout (03/28/2008)
1
6.44%
12.25%
3.90%
5.21%
S&P 500
®
Index
10.21%
22.32%
13.41%
15.51%
Bloomberg US Aggregate Bond Index
0.62%
3.79%
0.08%
1.54%
Target Payout Composite Index
6.19%
12.02%
3.95%
6.12%
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.
1
The fund’s routine expenses have been absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower.
These
returns do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares.
Performance Inception Date Mar. 28, 2008
No Deduction of Taxes [Text Block]
These
returns do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares.
Updated Performance Information Location [Text Block] To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus.
Net Assets $ 68,000,000
Holdings Count | Holding 11
Investment Company, Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$68
Number of Holdings
11
Portfolio Turnover Rate
(not annualized)
12%
12-Month Distribution Yield
4.73%
Holdings [Text Block]
Asset Class Weightings % of Investments
Top Holdings % of Net Assets
Portfolio holdings may have changed since the report date.
Largest Holdings [Text Block]
Top Holdings % of Net Assets
Portfolio holdings may have changed since the report date.
Schwab Monthly Income Fund – Flexible Payout  
Shareholder Report [Line Items]  
Fund Name Schwab Monthly Income Fund – Flexible Payout
Class Name Schwab Monthly Income Fund – Flexible Payout
Trading Symbol SWKRX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report 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 HYPOT
HETI
CAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Monthly Income Fund – Flexible Payout*
$0
0.00%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. This agreement to limit the total annual
fund operating expenses is limited to the fund’s direct operating expenses and, therefore, does not apply to acquired fund fees and expenses (AFFE), which are indirect
expenses incurred by the fund through its investments in the underlying funds.
**
Annualized.
Expenses Paid, Amount $ 0 [1]
Expense Ratio, Percent 0.00% [1],[2]
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
Fund and Inception Date
6 Months
1 Year
5 Years
10 Years
Fund: Schwab Monthly Income Fund – Flexible Payout (03/28/2008)
1
6.46%
12.19%
3.78%
4.60%
S&P 500
®
Index
10.21%
22.32%
13.41%
15.51%
Bloomberg US Aggregate Bond Index
0.62%
3.79%
0.08%
1.54%
Flexible Payout Composite Index
6.19%
12.02%
3.80%
5.23%
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.
1
The fund’s routine expenses have been absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower.
These
returns do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares.
Performance Inception Date Mar. 28, 2008
No Deduction of Taxes [Text Block]
These
returns do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares.
Updated Performance Information Location [Text Block] To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus.
Net Assets $ 82,000,000
Holdings Count | Holding 11
Investment Company, Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$82
Number of Holdings
11
Portfolio Turnover Rate
(not annualized)
7%
12-Month Distribution Yield
4.29%
Holdings [Text Block]
Asset Class Weightings % of Investments
Top Holdings % of Net Assets
Portfolio holdings may have changed since th
e re
port date.
Largest Holdings [Text Block]
Top Holdings % of Net Assets
Portfolio holdings may have changed since th
e re
port date.
Schwab Monthly Income Fund – Income Payout  
Shareholder Report [Line Items]  
Fund Name Schwab Monthly Income Fund – Income Payout
Class Name Schwab Monthly Income Fund – Income Payout
Trading Symbol SWLRX
Annual or Semi-Annual Statement [Text Block] This semiannual shareholder report 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 J
une
30, 2026
(BASED ON A HYPOTHETICAL $10,000 INVESTMENT)
 
COSTS OF A
$10,000 INVESTMENT
COSTS PAID AS A
PERCENTAGE OF A
$10,000 INVESTMENT
Schwab Monthly Income Fund – Income Payout*
$0
0.00%
**
*
Expenses were reduced by a contractual fee waiver in effect for so long as the investment adviser serves as adviser to the fund. This agreement to limit the total annual
fund operating expenses is limited to the fund’s direct operating expenses and, therefore, does not apply to acquired fund fees and expenses (AFFE), which are indirect
expenses incurred by the fund through its investments in the underlying funds.
**
Annualized.
Expenses Paid, Amount $ 0 [1]
Expense Ratio, Percent 0.00% [1],[2]
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
Fund and Inception Date
6 Months
1 Year
5 Years
10 Years
Fund: Schwab Monthly Income Fund – Income Payout (03/28/2008)
1
4.34%
8.97%
2.60%
3.42%
S&P 500
®
Index
10.21%
22.32%
13.41%
15.51%
Bloomberg US Aggregate Bond Index
0.62%
3.79%
0.08%
1.54%
Income Payout Composite Index
4.08%
8.83%
2.62%
3.81%
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.
1
The fund’s routine expenses have been absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower.
These
returns do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares.
Performance Inception Date Mar. 28, 2008
No Deduction of Taxes [Text Block]
These
returns do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares.
Updated Performance Information Location [Text Block] To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/prospectus.
Net Assets $ 73,000,000
Holdings Count | Holding 12
Investment Company, Portfolio Turnover 14.00%
Additional Fund Statistics [Text Block]
Statistics
Net Assets (millions)
$73
Number of Holdings
12
Portfolio Turnover Rate
(not annualized)
14%
12-Month Distribution Yield
4.59%
Holdings [Text Block]
Asset Class Weightings % of Investments
Top Holdings % of Net Assets
Portfolio holdings may have changed since
the rep
ort date.
Largest Holdings [Text Block]
Top Holdings % of Net Assets
Portfolio holdings may have changed since
the rep
ort 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. This agreement to limit the total annual fund operating expenses is limited to the fund’s direct operating expenses and, therefore, does not apply to acquired fund fees and expenses (AFFE), which are indirect expenses incurred by the fund through its investments in the underlying funds.
[2] Annualized.