Annual Total Returns |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| BlackRock Retirement Income 2030 Fund | Investor A | |||||
| Prospectus [Line Items] | |||||
| Annual Return [Percent] | 11.26% | 6.89% | 10.59% | (11.98%) | 6.62% |