Annual Total Returns |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| YieldMax(R) Universe Fund of Option Income ETFs [Member] | |
| Prospectus [Line Items] | |
| Annual Return [Percent] | 6.43% |
| YieldMax(R) Magnificent 7 Fund of Option Income ETFs [Member] | |
| Prospectus [Line Items] | |
| Annual Return [Percent] | 18.78% |