N-2 |
6 Months Ended | |||
|---|---|---|---|---|
|
Jun. 30, 2026
shares
| ||||
| Cover [Abstract] | ||||
| Entity Central Index Key | 0001322436 | |||
| Amendment Flag | false | |||
| Document Type | N-CSRS | |||
| Entity Registrant Name | Eaton Vance Tax‑Managed Buy‑Write Opportunities Fund | |||
| General Description of Registrant [Abstract] | ||||
| Investment Objectives and Practices [Text Block] | The Fund’s primary investment objective is to provide current income and gains, with a secondary objective of capital appreciation. | |||
| Latest Premium (Discount) to NAV [Percent] | (5.94%) | [1] | ||
| Common Shares [Member] | ||||
| Capital Stock, Long-Term Debt, and Other Securities [Abstract] | ||||
| Outstanding Security, Title [Text Block] | Common Shares | |||
| Outstanding Security, Held [Shares] | 116,754,568 | |||
| ||||