YieldMax AAPL Option Income Strategy ETF YieldMax AAPL Option Income Strategy ETF [Member] AAPL Risk [Member] Indirect Investment in AAPL Risk [Member] AAPL Trading Risk [Member] Apple Inc. Performance Risk [Member] Technology Industry Risk [Member] Global Events Risk [Member] Derivatives Risk [Member] Options Contracts [Member] Counterparty Risk [Member] Price Participation Risk [Member] Distribution Risk [Member] NAV Erosion Risk Due to Distributions [Member] Call Strategy Risks [Member] ETF Risks [Member] Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk [Member] Cash Redemption Risk [Member] Costs of Buying or Selling Shares [Member] Management Risk [Member] Shares May Trade at Prices Other Than NAV [Member] Trading [Member] High Portfolio Turnover Risk [Member] Inflation Risk [Member] Liquidity Risk [Member] Market Events Risk [Member] Money Market Instrument Risk [Member] Newer Fund Risk [Member] Operational Risk [Member] Single Issuer Risk [Member] Tax Risk [Member] U.S. Government and U.S. Agency Obligations Risk [Member] S&P 500® Total Return Index (reflects no deduction for fees, expenses, or taxes) YieldMax ABNB Option Income Strategy ETF YieldMax ABNB Option Income Strategy ETF [Member] ABNB Risk [Member] Indirect Investment in ABNB Risk [Member] ABNB Trading Risk [Member] ABNB Performance Risk [Member] Travel Industry Risk [Member] YieldMax ADBE Option Income Strategy ETF YieldMax ADBE Option Income Strategy ETF [Member] ADBE Risk [Member] Indirect Investment in ADBE Risk [Member] ADBE Trading Risk [Member] ADBE Performance Risk [Member] Software Industry Risk [Member] New Fund Risk [Member] YieldMax AI Option Income Strategy ETF YieldMax AI Option Income Strategy ETF [Member] AI Risk [Member] Indirect Investment in AI Risk [Member] AI Trading Risk [Member] AI Performance Risk [Member] YieldMax AMD Option Income Strategy ETF YieldMax AMD Option Income Strategy ETF [Member] AMD Risk [Member] Indirect Investment in AMD Risk [Member] AMD Trading Risk [Member] AMD Performance Risk [Member] Semiconductor Company Risk [Member] YieldMax AMZN Option Income Strategy ETF YieldMax AMZN Option Income Strategy ETF [Member] AMZN Risk [Member] Indirect Investment in AMZN Risk [Member] AMZN Trading Risk [Member] Amazon.com, Inc. Performance Risk [Member] Internet & Direct Marketing Retail Risk [Member] New Products and Services Risk [Member] YieldMax BA Option Income Strategy ETF YieldMax BA Option Income Strategy ETF [Member] BA Risk [Member] Indirect Investment in BA Risk [Member] BA Trading Risk [Member] BA Performance Risk [Member] Aerospace & Defense Industry Risk [Member] YieldMax BIIB Option Income Strategy ETF YieldMax BIIB Option Income Strategy ETF [Member] BIIB Risk [Member] Indirect Investment in BIIB Risk [Member] BIIB Trading Risk [Member] BIIB Performance Risk [Member] Biotechnology Industry Risk [Member] YieldMax BRK.B Option Income Strategy ETF YieldMax BRK.B Option Income Strategy ETF [Member] BRK.B Risk [Member] Indirect Investment in BRK.B Risk [Member] BRK.B Trading Risk [Member] Berkshire Hathaway Inc. Performance Risk [Member] Diversified Financial Services Industry Risk [Member] YieldMax COIN Option Income Strategy ETF YieldMax COIN Option Income Strategy ETF [Member] COIN Risk [Member] Indirect Investment in COIN Risk [Member] COIN Trading Risk [Member] Coinbase Global, Inc. Performance Risk [Member] Digital Assets Risk [Member] Financials Companies Risk [Member] Blockchain Related Company Risk [Member] YieldMax DIS Option Income Strategy ETF YieldMax DIS Option Income Strategy ETF [Member] DIS Risk [Member] Indirect Investment in DIS Risk [Member] DIS Trading Risk [Member] DIS Performance Risk [Member] Movies and Entertainment Industries Risk [Member] YieldMax GOOGL Option Income Strategy ETF YieldMax GOOGL Option Income Strategy ETF [Member] GOOGL Risk [Member] Indirect Investment in GOOGL Risk [Member] GOOGL Trading Risk [Member] Alphabet Inc. Performance Risk [Member] Communication Services Sector Risk [Member] YieldMax INTC Option Income Strategy ETF YieldMax INTC Option Income Strategy ETF [Member] INTC Risk [Member] Indirect Investment in INTC Risk [Member] INTC Trading Risk [Member] INTC Performance Risk [Member] Semiconductor Industry Risk [Member] YieldMax JPM Option Income Strategy ETF YieldMax JPM Option Income Strategy ETF [Member] JPM Risk [Member] Indirect Investment in JPM Risk [Member] JPM Trading Risk [Member] JPM Performance Risk [Member] Banking Industry Risk [Member] YieldMax META Option Income Strategy ETF YieldMax META Option Income Strategy ETF [Member] META Risk [Member] Indirect Investment in META Risk [Member] META Trading Risk [Member] Meta Platforms, Inc. Performance Risk [Member] YieldMax MRNA Option Income Strategy ETF YieldMax MRNA Option Income Strategy ETF [Member] MRNA Risk [Member] Indirect Investment in MRNA Risk [Member] MRNA Trading Risk [Member] MRNA Performance Risk [Member] S&P 500® Total Return Index (reflects no deduction for fees, expenses, or taxes) YieldMax MSFT Option Income Strategy ETF YieldMax MSFT Option Income Strategy ETF [Member] MSFT Risk [Member] Indirect Investment in MSFT Risk [Member] MSFT Trading Risk [Member] MSFT Performance Risk [Member] YieldMax NFLX Option Income Strategy ETF YieldMax NFLX Option Income Strategy ETF [Member] NFLX Risk [Member] Indirect Investment in NFLX Risk [Member] NFLX Trading Risk [Member] Netflix, Inc [Member] Entertainment Industry Risk [Member] YieldMax NKE Option Income Strategy ETF YieldMax NKE Option Income Strategy ETF [Member] NKE Risk [Member] Indirect Investment in NKE Risk [Member] NKE Trading Risk [Member] NKE Performance Risk [Member] Footwear Industry Risks [Member] YieldMax NVDA Option Income Strategy ETF YieldMax NVDA Option Income Strategy ETF [Member] NVDA Risk [Member] Indirect Investment in NVDA Risk [Member] NVDA Trading Risk [Member] Nvidia Corporation Performance Risk [Member] YieldMax ORCL Option Income Strategy ETF YieldMax ORCL Option Income Strategy ETF [Member] ORCL Risk [Member] Indirect Investment in ORCL Risk [Member] ORCL Trading Risk [Member] ORCL Performance Risk [Member] YieldMax PYPL Option Income Strategy ETF YieldMax PYPL Option Income Strategy ETF [Member] PYPL Risk [Member] Indirect Investment in PYPL Risk [Member] PYPL Trading Risk [Member] Transaction and Payment Processing Industry Risks [Member] YieldMax ROKU Option Income Strategy ETF YieldMax ROKU Option Income Strategy ETF [Member] ROKU Risk [Member] Indirect Investment in ROKU Risk [Member] ROKU Trading Risk [Member] ROKU Performance Risk [Member] YieldMax SNOW Option Income Strategy ETF YieldMax SNOW Option Income Strategy ETF [Member] SNOW Risk [Member] Indirect Investment in SNOW Risk [Member] SNOW Trading Risk [Member] SNOW Performance Risk [Member] Information Technology Services Industry Risk [Member] YieldMax SQ Option Income Strategy ETF YieldMax SQ Option Income Strategy ETF [Member] SQ Risk [Member] Indirect Investment in SQ Risk [Member] SQ Trading Risk [Member] Block, Inc. Performance Risk [Member] YieldMax TGT Option Income Strategy ETF YieldMax TGT Option Income Strategy ETF [Member] TGT Risk [Member] Indirect Investment in TGT Risk [Member] TGT Trading Risk [Member] TGT Performance Risk [Member] Consumer Staples Distribution Industry Risk [Member] YieldMax TSLA Option Income Strategy ETF YieldMax TSLA Option Income Strategy ETF [Member] TSLA Risk [Member] Indirect Investment in TSLA Risk [Member] TSLA Trading Risk [Member] Tesla, Inc. Performance Risk [Member] Electric Vehicles Risk [Member] Automotive Companies Risk [Member] YieldMax XOM Option Income Strategy ETF YieldMax XOM Option Income Strategy ETF [Member] XOM Risk [Member] Indirect Investment in XOM Risk [Member] XOM Trading Risk [Member] XOM Performance Risk [Member] Oil & Gas Industry Risk [Member] YieldMax ZM Option Income Strategy ETF YieldMax ZM Option Income Strategy ETF [Member] ZM Risk [Member] Indirect Investment in ZM Risk [Member] ZM Trading Risk [Member] ZM Performance Risk [Member] YieldMax AAPL Option Income Strategy ETF YieldMax AAPL Option Income Strategy ETF YieldMax ABNB Option Income Strategy ETF YieldMax ABNB Option Income Strategy ETF YieldMax ADBE Option Income Strategy ETF YieldMax ADBE Option Income Strategy ETF YieldMax AI Option Income Strategy ETF YieldMax AI Option Income Strategy ETF YieldMax AMD Option Income Strategy ETF YieldMax AMD Option Income Strategy ETF YieldMax AMZN Option Income Strategy ETF YieldMax AMZN Option Income Strategy ETF YieldMax BA Option Income Strategy ETF YieldMax BA Option Income Strategy ETF YieldMax BIIB Option Income Strategy ETF YieldMax BIIB Option Income Strategy ETF YieldMax BRK.B Option Income Strategy ETF YieldMax BRK.B Option Income Strategy ETF YieldMax COIN Option Income Strategy ETF YieldMax COIN Option Income Strategy ETF YieldMax DIS Option Income Strategy ETF YieldMax DIS Option Income Strategy ETF YieldMax GOOGL Option Income Strategy ETF YieldMax GOOGL Option Income Strategy ETF YieldMax INTC Option Income Strategy ETF YieldMax INTC Option Income Strategy ETF YieldMax JPM Option Income Strategy ETF YieldMax JPM Option Income Strategy ETF YieldMax META Option Income Strategy ETF YieldMax META Option Income Strategy ETF AAPL Risk. Indirect Investment in AAPL Risk. AAPL Trading Risk. Apple Inc. Performance Risk. Technology Industry Risk. Global Events Risk. Single Issuer Risk. ABNB Risk. Indirect Investment in ABNB Risk. ABNB Trading Risk. ABNB Performance Risk. Travel Industry Risk. ADBE Risk. Indirect Investment in ADBE Risk. ADBE Trading Risk. ADBE Performance Risk. AI Risk. Indirect Investment in AI Risk. AI Trading Risk. AI Performance Risk. AMD Risk. Indirect Investment in AMD Risk. AMD Trading Risk. AMD Performance Risk. AMZN Risk. Indirect Investment in AMZN Risk. AMZN Trading Risk. Internet & Direct Marketing Retail Risk. BA Risk. Indirect Investment in BA Risk. BA Trading Risk. BA Performance Risk. BIIB Risk. Indirect Investment in BIIB Risk. BIIB Trading Risk. BIIB Performance Risk. BRK.B Risk. Indirect Investment in BRK.B Risk. BRK.B Trading Risk. Berkshire Hathaway Inc. Performance Risk. Diversified Financial Services Industry Risk. COIN Risk. Indirect Investment in COIN Risk. COIN Trading Risk. 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YieldMax MRNA Option Income Strategy ETF YieldMax MRNA Option Income Strategy ETF YieldMax MSFT Option Income Strategy ETF YieldMax MSFT Option Income Strategy ETF YieldMax NFLX Option Income Strategy ETF YieldMax NFLX Option Income Strategy ETF YieldMax NKE Option Income Strategy ETF YieldMax NKE Option Income Strategy ETF YieldMax NVDA Option Income Strategy ETF YieldMax NVDA Option Income Strategy ETF YieldMax ORCL Option Income Strategy ETF YieldMax ORCL Option Income Strategy ETF YieldMax PYPL Option Income Strategy ETF YieldMax PYPL Option Income Strategy ETF YieldMax ROKU Option Income Strategy ETF YieldMax ROKU Option Income Strategy ETF YieldMax SNOW Option Income Strategy ETF YieldMax SNOW Option Income Strategy ETF YieldMax SQ Option Income Strategy ETF YieldMax SQ Option Income Strategy ETF YieldMax TGT Option Income Strategy ETF YieldMax TGT Option Income Strategy ETF YieldMax TSLA Option Income Strategy ETF YieldMax TSLA Option Income Strategy ETF YieldMax XOM Option Income Strategy ETF YieldMax XOM Option Income Strategy ETF YieldMax ZM Option Income Strategy ETF YieldMax ZM Option Income Strategy ETF Derivatives Risk. Options Contracts. Counterparty Risk. Price Participation Risk. NAV Erosion Risk Due to Distributions. Call Strategy Risks. ETF Risks. Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. Cash Redemption Risk. Costs of Buying or Selling Shares. Management Risk. Shares May Trade at Prices Other Than NAV. Trading. High Portfolio Turnover Risk. Inflation Risk. Liquidity Risk. Money Market Instrument Risk. Newer Fund Risk. Operational Risk. Tax Risk. U.S. Government and U.S. Agency Obligations Risk. New Fund Risk. Software Industry Risk. Semiconductor Company Risk. Biotechnology Industry Risk. NFLX Risk. Indirect Investment in NFLX Risk. NFLX Trading Risk. Netflix, Inc. Entertainment Industry Risk. NKE Risk. Indirect Investment in NKE Risk. NKE Trading Risk. NKE Performance Risk. Footwear Industry Risks. NVDA Risk. Indirect Investment in NVDA Risk. NVDA Trading Risk. Nvidia Corporation Performance Risk. ORCL Risk. Indirect Investment in ORCL Risk. 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