DWS S&P 500 Index Fund Expense Example, No Redemption - DWS S&P 500 Index Fund |
Apr. 28, 2026
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 503 |
| Expense Example, No Redemption, 3 Years | 615 |
| Expense Example, No Redemption, 5 Years | 738 |
| Expense Example, No Redemption, 10 Years | 1,097 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 128 |
| Expense Example, No Redemption, 3 Years | 400 |
| Expense Example, No Redemption, 5 Years | 692 |
| Expense Example, No Redemption, 10 Years | 1,323 |
| Class R6 | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 23 |
| Expense Example, No Redemption, 3 Years | 71 |
| Expense Example, No Redemption, 5 Years | 124 |
| Expense Example, No Redemption, 10 Years | 280 |
| Class S | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 30 |
| Expense Example, No Redemption, 3 Years | 93 |
| Expense Example, No Redemption, 5 Years | 163 |
| Expense Example, No Redemption, 10 Years | $ 368 |