Energy Service [Member] iShares 0-3 Month Treasury Bond ETF [Member] iShares 0-3 Month Treasury Bond ETF iShares Core MSCI EAFE ETF [Member] iShares Core MSCI EAFE ETF Financial Service [Member] iShares S&P 100 ETF [Member] iShares S&P 100 ETF Domestic ETFs [Member] Domestic ETFs International ETFs [Member] International ETFs Fixed Income ETFs [Member] Fixed Income ETFs Vanguard Total World Stock ETF [Member] Vanguard Total World Stock ETF iShares 1-3 Year Treasury Bond ETF [Member] iShares 1-3 Year Treasury Bond ETF iShares Core MSCI Emerging Markets ETF [Member] iShares Core MSCI Emerging Markets ETF Invesco QQQ Trust Series 1 [Member] Invesco QQQ Trust Series 1 iShares Core S&P Small-Cap ETF [Member] iShares Core S&P Small-Cap ETF C000258071 [Member] C000258071 Real Estate [Member] Health Care [Member] Treasury ETFs [Member] Treasury ETFs iShares 0-5 Year TIPS Bond ETF [Member] iShares 0-5 Year TIPS Bond ETF iShares Core S&P Mid-Cap ETF [Member] iShares Core S&P Mid-Cap ETF Net Assets Investment Company, Portfolio Turnover