Shareholder Fees	Jul. 28, 2025 USD ($)
Schwab Target 2010 Index Fund \| Schwab Target 2010 Index Fund \| Schwab Target 2010 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	$ 0
Schwab Target 2015 Index Fund \| Schwab Target 2015 Index Fund \| Schwab Target 2015 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2020 Index Fund \| Schwab Target 2020 Index Fund \| Schwab Target 2020 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2025 Index Fund \| Schwab Target 2025 Index Fund \| Schwab Target 2025 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2030 Index Fund \| Schwab Target 2030 Index Fund \| Schwab Target 2030 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2035 Index Fund \| Schwab Target 2035 Index Fund \| Schwab Target 2035 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2040 Index Fund \| Schwab Target 2040 Index Fund \| Schwab Target 2040 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2045 Index Fund \| Schwab Target 2045 Index Fund \| Schwab Target 2045 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2050 Index Fund \| Schwab Target 2050 Index Fund \| Schwab Target 2050 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2055 Index Fund \| Schwab Target 2055 Index Fund \| Schwab Target 2055 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2060 Index Fund \| Schwab Target 2060 Index Fund \| Schwab Target 2060 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Target 2065 Index Fund \| Schwab Target 2065 Index Fund \| Schwab Target 2065 Index Fund
Prospectus [Line Items]
Shareholder Fee, Other	$ 0