Investor A C Institutional and Class R [Member] Annual Fund Operating Expenses - Investor A, C, Institutional and Class R - BLACKROCK GLOBAL ALLOCATION FUND, INC. |
Apr. 30, 2025 |
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Prospectus [Line Items] | ||||||||||
Fee Waiver or Reimbursement over Assets, Date of Termination | June 30, 2027 | |||||||||
Investor A | ||||||||||
Prospectus [Line Items] | ||||||||||
Management Fees (as a percentage of Assets) | 0.75% | [1],[2] | ||||||||
Distribution and Service (12b-1) Fees | 0.25% | |||||||||
Component1 Other Expenses | 0.13% | |||||||||
Component2 Other Expenses | [3] | |||||||||
Other Expenses (as a percentage of Assets): | 0.13% | [3] | ||||||||
Acquired Fund Fees and Expenses | 0.01% | [4] | ||||||||
Expenses (as a percentage of Assets) | 1.14% | [4] | ||||||||
Fee Waiver or Reimbursement | (0.03%) | [1],[2] | ||||||||
Net Expenses (as a percentage of Assets) | 1.11% | [1],[2] | ||||||||
Investor C | ||||||||||
Prospectus [Line Items] | ||||||||||
Management Fees (as a percentage of Assets) | 0.75% | [1],[2] | ||||||||
Distribution and Service (12b-1) Fees | 1.00% | |||||||||
Component1 Other Expenses | 0.18% | |||||||||
Component2 Other Expenses | [3] | |||||||||
Other Expenses (as a percentage of Assets): | 0.18% | [3] | ||||||||
Acquired Fund Fees and Expenses | 0.01% | [4] | ||||||||
Expenses (as a percentage of Assets) | 1.94% | [4] | ||||||||
Fee Waiver or Reimbursement | (0.03%) | [1],[2] | ||||||||
Net Expenses (as a percentage of Assets) | 1.91% | [1],[2] | ||||||||
Institutional | ||||||||||
Prospectus [Line Items] | ||||||||||
Management Fees (as a percentage of Assets) | 0.75% | [1],[2] | ||||||||
Distribution and Service (12b-1) Fees | 0.00% | |||||||||
Component1 Other Expenses | 0.14% | |||||||||
Component2 Other Expenses | [3] | |||||||||
Other Expenses (as a percentage of Assets): | 0.14% | [3] | ||||||||
Acquired Fund Fees and Expenses | 0.01% | [4] | ||||||||
Expenses (as a percentage of Assets) | 0.90% | [4] | ||||||||
Fee Waiver or Reimbursement | (0.03%) | [1],[2] | ||||||||
Net Expenses (as a percentage of Assets) | 0.87% | [1],[2] | ||||||||
Class R | ||||||||||
Prospectus [Line Items] | ||||||||||
Management Fees (as a percentage of Assets) | 0.75% | [1],[2] | ||||||||
Distribution and Service (12b-1) Fees | 0.50% | |||||||||
Component1 Other Expenses | 0.24% | |||||||||
Component2 Other Expenses | [3] | |||||||||
Other Expenses (as a percentage of Assets): | 0.24% | [3] | ||||||||
Acquired Fund Fees and Expenses | 0.01% | [4] | ||||||||
Expenses (as a percentage of Assets) | 1.50% | [4] | ||||||||
Fee Waiver or Reimbursement | (0.03%) | [1],[2] | ||||||||
Net Expenses (as a percentage of Assets) | 1.47% | [1],[2] | ||||||||
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