Investor A C and Institutional Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Investor A, C and Institutional | BLACKROCK EMERGING MARKETS FUND, INC. | Investor A Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 30.17% | (1.31%) | 10.50% | (24.32%) | (1.38%) | 24.24% | 26.09% | (10.94%) | 41.66% | 8.09% |