v3.26.1
Investor A C and Institutional Member] Expense Example, No Redemption - Investor A, C and Institutional - BLACKROCK EMERGING MARKETS FUND, INC. - Investor C Shares
Apr. 30, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 190
Expense Example, No Redemption, 3 Years 638
Expense Example, No Redemption, 5 Years 1,112
Expense Example, No Redemption, 10 Years $ 2,241