Net Assets Investment Company, Portfolio Turnover C000260730 [Member] Capital Group U.S. Large Growth ETF C000260731 [Member] Capital Group U.S. Large Value ETF C000255258 [Member] Capital Group U.S. Small and Mid Cap ETF Russell 2500 Index [Member] Russell Midcap Index [Member] Russell 3000 Index [Member] Russell 1000 Value Index [Member] Russell 1000 Growth Index [Member] Russell 1000 Index [Member] Short Term Securities And Other Assets Less Liabilities [Member] Healthcare Sector [Member] Financial Services Sector [Member] Investment Type [Axis] Energy Sector [Member]