Shareholder Fees	Aug. 31, 2024 USD ($)
Schwab High Yield Bond ETF \| Schwab High Yield Bond ETF
Prospectus [Line Items]
Shareholder Fee, Other	$ 0
Schwab International Dividend Equity ETF \| Schwab International Dividend Equity ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab International Equity ETF \| Schwab International Equity ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab International Small-Cap Equity ETF \| Schwab International Small-Cap Equity ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab Emerging Markets Equity ETF \| Schwab Emerging Markets Equity ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab U.S. Broad Market ETF \| Schwab U.S. Broad Market ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab 1000 Index ETF \| Schwab 1000 Index ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab U.S. Large-Cap ETF \| Schwab U.S. Large-Cap ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab U.S. Large-Cap Growth ETF \| Schwab U.S. Large-Cap Growth ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab U.S. Large-Cap Value ETF \| Schwab U.S. Large-Cap Value ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab U.S. Mid-Cap ETF \| Schwab U.S. Mid-Cap ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab U.S. Small-Cap ETF \| Schwab U.S. Small-Cap ETF
Prospectus [Line Items]
Shareholder Fee, Other	0
Schwab U.S. Dividend Equity ETF \| Schwab U.S. Dividend Equity ETF
Prospectus [Line Items]
Shareholder Fee, Other	$ 0