YieldMax(R) ASTS Option Income Strategy ETF Underlying Security Risks [Member] Indirect Investment in ASTS Risk [Member] ASTS Trading Risk [Member] ASTS Performance Risk [Member] ASTS Investing Risk [Member] ASTS Operations, Regulatory and Key Person Risk [Member] Technology Sector Risk [Member] Diversified Telecommunication Services Industry Risk [Member] Derivatives Risk [Member] Options Contracts [Member] Counterparty Risk [Member] Price Participation Risk [Member] Distribution Risk [Member] NAV Decline 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] Trading Halt Risk [Member] Economic and Market Risk [Member] High Portfolio Turnover Risk [Member] Inflation Risk [Member] Liquidity Risk [Member] Money Market Instrument Risk [Member] Operational Risk [Member] Single Issuer Risk [Member] Tax Risk [Member] U.S. Government and U.S. Agency Obligations Risk [Member] YieldMax(R) RKLB Option Income Strategy ETF Indirect Investment in RKLB Risk [Member] RKLB Trading Risk [Member] RKLB Performance Risk [Member] Aerospace & Defense Industry Risks [Member] RKLB Business Risks [Member] Intellectual Property and Cyber Security Risk [Member] YieldMax(R) MU Option Income Strategy ETF Indirect Investment in MU Risk [Member] MU Trading Risk [Member] MU Performance Risk [Member] MU Investing Risk [Member] Semiconductors & Semiconductor Equipment Industry Risks [Member] YieldMax(R) SNDK Option Income Strategy ETF Indirect Investment in SNDK Risk [Member] SNDK Trading Risk [Member] SNDK Performance Risk [Member] SNDK Investing Risk [Member] YieldMax(R) ASTS Option Income Strategy ETF [Member] YieldMax(R) RKLB Option Income Strategy ETF [Member] YieldMax(R) MU Option Income Strategy ETF [Member] YieldMax(R) SNDK Option Income Strategy ETF [Member] YieldMax(R) ASTS Option Income Strategy ETF YieldMax(R) ASTS Option Income Strategy ETF [Member] YieldMax(R) RKLB Option Income Strategy ETF YieldMax(R) RKLB Option Income Strategy ETF [Member] YieldMax(R) MU Option Income Strategy ETF YieldMax(R) MU Option Income Strategy ETF [Member] YieldMax(R) SNDK Option Income Strategy ETF YieldMax(R) SNDK Option Income Strategy ETF [Member] U.S. Government and U.S. Agency Obligations Risk. Tax Risk. Single Issuer Risk. Operational Risk. Money Market Instrument Risk. Liquidity Risk. Inflation Risk. High Portfolio Turnover Risk. Economic and Market Risk. Trading Halt Risk. Trading. Shares May Trade at Prices Other Than NAV. Management Risk. Costs of Buying or Selling Shares. Cash Redemption Risk. Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. ETF Risks. Call Strategy Risks. NAV Decline Risk Due to Distributions. Distribution Risk. Price Participation Risk. Counterparty Risk. Options Contracts. Derivatives Risk. Semiconductors & Semiconductor Equipment Industry Risks. SNDK Investing Risk. SNDK Performance Risk. SNDK Trading Risk. Indirect Investment in SNDK Risk. Underlying Security Risks. MU Investing Risk. MU Performance Risk. MU Trading Risk. Indirect Investment in MU Risk. Intellectual Property and Cyber Security Risk. RKLB Business Risks. Aerospace & Defense Industry Risks. RKLB Performance Risk. RKLB Trading Risk. Indirect Investment in RKLB Risk. Diversified Telecommunication Services Industry Risk. Technology Sector Risk. ASTS Operations, Regulatory and Key Person Risk. ASTS Investing Risk. ASTS Performance Risk. ASTS Trading Risk. Indirect Investment in ASTS Risk.