Shareholder Fees - BlackRock Summit Cash Reserves Fund |
Apr. 30, 2026 |
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|---|---|---|---|---|---|---|
| Investor A Shares | ||||||
| Prospectus [Line Items] | ||||||
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% | |||||
| Maximum Deferred Sales Charge (as a percentage of Offering Price) | 0.00% | [1] | ||||
| Investor C Shares | ||||||
| Prospectus [Line Items] | ||||||
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% | |||||
| Maximum Deferred Sales Charge (as a percentage of Offering Price) | 1.00% | [2] | ||||
| Institutional Shares | ||||||
| Prospectus [Line Items] | ||||||
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% | |||||
| Maximum Deferred Sales Charge (as a percentage of Offering Price) | 0.00% | |||||
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