S000004337 [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 |
|
| iShares JPX-Nikkei 400 ETF | iShares JPX-Nikkei 400 ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 26.05% | 6.37% | 19.47% | (16.04%) | 0.40% | 13.78% | 19.36% | (13.94%) | 24.01% | 2.07% |