| Form N-CSR Cover | 6 Months Ended |
| Oct. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Tidal Trust II |
| Entity Central Index Key | 0001924868 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Oct. 31, 2024 |
| Shareholder Report | 6 Months Ended |
| Oct. 31, 2024 USD ($) Holdings | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Tidal Trust II |
| Entity Central Index Key | 0001924868 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Oct. 31, 2024 |
| CNIC ICE U.S. Carbon Neutral Power Futures Index ETF | |
| Shareholder Report [Line Items] | |
| Fund Name | CNIC ICE U.S. Carbon Neutral Power Futures Index ETF |
| Class Name | CNIC ICE U.S. Carbon Neutral Power Futures Index ETF |
| Trading Symbol | AMPD |
| Security Exchange Name | NYSEArca |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.cnicfundsetfs.com (855) 495-1500 |
| Additional Information Phone Number | (855) 495-1500 |
| Additional Information Website | www.cnicfundsetfs.com |
| Expenses [Text Block] | What were the Fund costs for the past six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment CNIC ICE U.S. Carbon Neutral Power Futures Index ETF $45 0.95% |
| Expenses Paid, Amount | $ 45 |
| Expense Ratio, Percent | 0.95% |
| Net Assets | $ 3,996,000 |
| Holdings Count | Holdings | 75 |
| Investment Company, Portfolio Turnover | 0% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024 ) Fund Size (Thousands) $3,996 Number of Holdings 75 Portfolio Turnover 0% |
| Holdings [Text Block] | Security Type - Investments (% of Total Net Assets) Cash & Cash Equivalents 100.0 Percentages are based on total net assets. Cash & Cash Equivalents represents short-term investments and other assets in excess of liabilities. Security Type - Other Financial Instruments (% of Total Net Assets) Open Futures Contracts Purchased (15.6 |
| Largest Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024 ) Top Ten Holdings (% of net assets) First American Government Obligations Fund 84.2 Regional Greenhouse Gas Initiative Vintage 2024 Futures Contracts 0.8 CAISO SP15-Day-Ahead Peak Fixed Price Futures Contracts 0.0* NYISO Zone G Day-Ahead Peak Fixed Price Futures Contracts 0.0* NYISO Zone G Day-Ahead Peak Fixed Price Futures Contracts 0.0* ISO New England Massachusetts Hub Day-Ahead Peak Fixed Price Futures Contracts (0.0)^ CAISO SP15-Day-Ahead Peak Fixed Price Futures Contracts (0.0)^ ISO New England Massachusetts Hub Day-Ahead Peak Fixed Price Futures Cotracts (0.0)^ NYISO Zone G Day-Ahead Peak Fixed Price Futures Contracts (0.0)^ PJM Western Hub Real-Time Peak (1 MW) Fixed Price Futures Contracts (0.0)^ * Less than 0.05% of net assets. ^ Less than (0.05%) of net assets. |
| Material Fund Change [Text Block] | How has the Fund changed? There were no material changes during the reporting period. |
| Accountant Change Statement [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with accountants. |
| Shareholder Report, Holdings (Details) - CNIC ICE U.S. Carbon Neutral Power Futures Index ETF | Oct. 31, 2024 | |
| First American Government Obligations Fund [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 84.20% | |
| Regional Greenhouse Gas Initiative Vintage 2024 Futures Contracts [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| CAISO SP15-Day-Ahead Peak Fixed Price Futures Contracts [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0% | [1] |
| NYISO Zone G Day-Ahead Peak Fixed Price Futures Contracts [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0% | [1] |
| NYISO Zone G Day-Ahead Peak Fixed Price Futures Contracts 1 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0% | [1] |
| ISO New England Massachusetts Hub Day-Ahead Peak Fixed Price Futures Contracts [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.00%) | [2] |
| CAISO SP15-Day-Ahead Peak Fixed Price Futures Contracts [Member] [Default Label] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.00%) | [2] |
| ISO New England Massachusetts Hub Day-Ahead Peak Fixed Price Futures Cotracts [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.00%) | [2] |
| NYISO Zone G Day-Ahead Peak Fixed Price Futures Contracts 2 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.00%) | [2] |
| PJM Western Hub Real-Time Peak (1 MW) Fixed Price Futures Contracts [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.00%) | [2] |
| Open Futures Contracts Purchased [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (15.60%) | |
| Cash and Cash Equivalents [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 100% | |
| [1]Less than 0.05% of net assets.[2]Less than (0.05%) of net assets. | ||
