Investor A C Institutional and Class R [Member] Expense Example, No Redemption - Investor A, C, Institutional and Class R - BLACKROCK GLOBAL ALLOCATION FUND, INC. - Investor C |
Apr. 30, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 194 |
| Expense Example, No Redemption, 3 Years | 606 |
| Expense Example, No Redemption, 5 Years | 1,044 |
| Expense Example, No Redemption, 10 Years | $ 2,054 |