XFUNDS(TM) Large Cap Income ETF Market Capitalization Risk [Member] Large-Capitalization Investing [Member] Derivatives Risk [Member] Options Contracts [Member] Counterparty Risk [Member] Equity Market Risk [Member] Underlying Fund Risk [Member] NAV Erosion Risk Due to Distributions [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] Shares May Trade at Prices Other Than NAV [Member] Trading [Member] Economic and Market Risk [Member] High Portfolio Turnover Risk [Member] Inflation Risk [Member] Management Risk [Member] New Fund Risk [Member] Operational Risk [Member] U.S. Government and U.S. Agency Obligations Risk [Member] XFUNDS(TM) Growth Income ETF Growth Investing Risk [Member] Mid-Capitalization Investing [Member] Small-Capitalization Investing [Member] XFUNDS(TM) Value Income ETF Value Investing Risk [Member] XFUNDS(TM) Technology Income ETF Information Technology Sector Risk [Member] Technology Sector Risk [Member] Concentration Risk [Member] XFUNDS(TM) Large Cap Income ETF [Member] XFUNDS(TM) Growth Income ETF [Member] XFUNDS(TM) Value Income ETF [Member] XFUNDS(TM) Technology Income ETF [Member] XFUNDS(TM) Large Cap Income ETF. XFUNDS(TM) Large Cap Income ETF [Member] XFUNDS(TM) Growth Income ETF. XFUNDS(TM) Growth Income ETF [Member] XFUNDS(TM) Value Income ETF. XFUNDS(TM) Value Income ETF [Member] XFUNDS(TM) Technology Income ETF. XFUNDS(TM) Technology Income ETF [Member] U.S. Government and U.S. Agency Obligations Risk. Operational Risk. New Fund Risk. Management Risk. Inflation Risk. High Portfolio Turnover Risk. Economic and Market Risk. Trading. Shares May Trade at Prices Other Than NAV. Costs of Buying or Selling Shares. Cash Redemption Risk. Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. ETF Risks. Concentration Risk. Small-Capitalization Investing. Mid-Capitalization Investing. Large-Capitalization Investing. Market Capitalization Risk. NAV Erosion Risk Due to Distributions. Underlying Fund Risk. Equity Market Risk. Counterparty Risk. Options Contracts. Derivatives Risk. Technology Sector Risk. Information Technology Sector Risk. Value Investing Risk. Growth Investing Risk.