Expense Example, No Redemption - BlackRock Summit Cash Reserves Fund - Investor C Shares |
Apr. 30, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 119 |
| Expense Example, No Redemption, 3 Years | 454 |
| Expense Example, No Redemption, 5 Years | 813 |
| Expense Example, No Redemption, 10 Years | $ 1,550 |