v3.26.3
Shareholder Report, Average Annual Return (Details)
5 Months Ended 12 Months Ended 60 Months Ended 91 Months Ended 120 Months Ended
Aug. 31, 2026
Aug. 31, 2026
Aug. 31, 2026
Aug. 31, 2026
Aug. 31, 2026
C000209798          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Admiral Shares      
C000012204          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Institutional Shares      
C000012206          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   15.14% 6.63%   10.09%
C000012209          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   4.61% 5.56%   8.61%
C000012210          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Investor Shares      
C000012213          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   2.83% 7.35%   8.80%
C000012215          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   2.19% 4.98%   13.25%
C000012217          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   7.08% 6.63%   7.72%
C000012219          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   46.09% 25.84%   10.36%
C000012221          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   8.74% 10.51%   13.07%
C000012223          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   27.61% 5.59%   10.78%
C000012225          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   16.40% 12.46%   13.32%
C000012227          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   38.91% 18.50%   24.49%
C000012228          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Investor Shares      
C000055210          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   20.96% 13.32%   16.10%
C000055209          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Institutional Shares      
C000055213          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent   26.31% 12.90%   12.96%
C000055212          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Institutional Shares      
C000271969          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent 9.46%        
C000271970          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   ETF Shares Net Asset Value      
Average Annual Return, Percent 6.39%        
Without Sales Load [Member] | C000209798          
Average Annual Return [Line Items]          
Average Annual Return, Percent   20.12% 11.87% 16.74%  
Without Sales Load [Member] | C000012204          
Average Annual Return [Line Items]          
Average Annual Return, Percent   20.19% 11.90%   15.84%
Without Sales Load [Member] | C000012206          
Average Annual Return [Line Items]          
Average Annual Return, Percent   15.17% 6.62%   10.09%
Without Sales Load [Member] | C000012205          
Average Annual Return [Line Items]          
Average Annual Return, Percent   15.17% 6.63%   10.09%
Without Sales Load [Member] | C000012209          
Average Annual Return [Line Items]          
Average Annual Return, Percent   4.61% 5.56%   8.59%
Without Sales Load [Member] | C000012208          
Average Annual Return [Line Items]          
Average Annual Return, Percent   4.61% 5.56%   8.60%
Without Sales Load [Member] | C000012210          
Average Annual Return [Line Items]          
Average Annual Return, Percent   4.78% 5.59%   15.36%
Without Sales Load [Member] | C000012211          
Average Annual Return [Line Items]          
Average Annual Return, Percent   4.90% 5.69%   15.48%
Without Sales Load [Member] | C000012213          
Average Annual Return [Line Items]          
Average Annual Return, Percent   2.75% 7.34%   8.79%
Without Sales Load [Member] | C000012212          
Average Annual Return [Line Items]          
Average Annual Return, Percent   2.75% 7.35%   8.80%
Without Sales Load [Member] | C000012215          
Average Annual Return [Line Items]          
Average Annual Return, Percent   2.19% 4.99%   13.25%
Without Sales Load [Member] | C000012214          
Average Annual Return [Line Items]          
Average Annual Return, Percent   2.19% 4.99%   13.26%
Without Sales Load [Member] | C000012217          
Average Annual Return [Line Items]          
Average Annual Return, Percent   7.05% 6.63%   7.71%
Without Sales Load [Member] | C000012216          
Average Annual Return [Line Items]          
Average Annual Return, Percent   7.04% 6.63%   7.72%
Without Sales Load [Member] | C000012219          
Average Annual Return [Line Items]          
Average Annual Return, Percent   46.05% 25.82%   10.36%
Without Sales Load [Member] | C000012218          
Average Annual Return [Line Items]          
Average Annual Return, Percent   46.07% 25.83%   10.38%
Without Sales Load [Member] | C000012221          
Average Annual Return [Line Items]          
Average Annual Return, Percent   8.71% 10.50%   13.07%
Without Sales Load [Member] | C000012220          
Average Annual Return [Line Items]          
Average Annual Return, Percent   8.70% 10.50%   13.07%
Without Sales Load [Member] | C000012223          
Average Annual Return [Line Items]          
Average Annual Return, Percent   27.58% 5.58%   10.78%
Without Sales Load [Member] | C000012222          
Average Annual Return [Line Items]          
Average Annual Return, Percent   27.57% 5.59%   10.78%
Without Sales Load [Member] | C000012225          
Average Annual Return [Line Items]          
Average Annual Return, Percent   16.35% 12.44%   13.32%
Without Sales Load [Member] | C000012224          
Average Annual Return [Line Items]          
Average Annual Return, Percent   16.35% 12.45%   13.32%
Without Sales Load [Member] | C000012227          
Average Annual Return [Line Items]          
Average Annual Return, Percent   38.99% 18.50%   24.49%
Without Sales Load [Member] | C000012226          
Average Annual Return [Line Items]          
Average Annual Return, Percent   38.99% 18.50%   24.50%
Without Sales Load [Member] | C000012228          
Average Annual Return [Line Items]          
Average Annual Return, Percent   14.19% 1.15%   11.13%
Without Sales Load [Member] | C000012229          
Average Annual Return [Line Items]          
Average Annual Return, Percent   14.32% 1.27%   11.26%
Without Sales Load [Member] | C000055210          
Average Annual Return [Line Items]          
Average Annual Return, Percent   21.06% 13.32%   16.10%
Without Sales Load [Member] | C000055209          
Average Annual Return [Line Items]          
Average Annual Return, Percent   21.07% 13.34%   16.12%
Without Sales Load [Member] | C000055213          
Average Annual Return [Line Items]          
Average Annual Return, Percent   26.33% 12.90%   12.96%
Without Sales Load [Member] | C000055212          
Average Annual Return [Line Items]          
Average Annual Return, Percent   26.34% 12.91%   12.98%
Without Sales Load [Member] | C000271969          
Average Annual Return [Line Items]          
Average Annual Return, Percent 9.23%        
Without Sales Load [Member] | C000271970          
Average Annual Return [Line Items]          
Average Annual Return, Percent 5.86%        
NACC2 Index: FTSE USA Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   FTSE USA Index      
Average Annual Return, Percent   20.06% 12.42% 16.57%  
NACC2 Index: FTSE USA Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   FTSE USA Index      
Average Annual Return, Percent   20.06% 12.42%   15.37%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: Dow Jones U.S. Total Stock Market Float Adjusted Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Dow Jones U.S. Total Stock Market Float Adjusted Index      
Average Annual Return, Percent   20.15% 11.70%   14.78%
NACC2 Index: Dow Jones U.S. Total Stock Market Float Adjusted Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Dow Jones U.S. Total Stock Market Float Adjusted Index      
Average Annual Return, Percent   20.15% 11.70%   14.78%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI US Investable Market 2500 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI US Investable Market 2500 Index      
Average Annual Return, Percent   20.40% 11.90%   14.95%
NACC2 Index: MSCI All Country World Index ex USA Net          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI All Country World Index ex USA Net      
Average Annual Return, Percent   27.35% 9.37%   9.64%
NACC2 Index: MSCI All Country World Index ex USA Net          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI All Country World Index ex USA Net      
Average Annual Return, Percent   27.35% 9.37%   9.64%
NACC2 Index: Dow Jones U.S. Total Stock Market Float Adjusted Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Dow Jones U.S. Total Stock Market Float Adjusted Index      
Average Annual Return, Percent   20.15% 11.70%   14.78%
NACC2 Index: Dow Jones U.S. Total Stock Market Float Adjusted Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Dow Jones U.S. Total Stock Market Float Adjusted Index      
Average Annual Return, Percent   20.15% 11.70%   14.78%
NACC2 Index: Dow Jones U.S. Total Stock Market Float Adjusted Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Dow Jones U.S. Total Stock Market Float Adjusted Index      
Average Annual Return, Percent   20.15% 11.70%   14.78%
NACC2 Index: Dow Jones U.S. Total Stock Market Float Adjusted Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Dow Jones U.S. Total Stock Market Float Adjusted Index      
Average Annual Return, Percent   20.15% 11.70%   14.78%
NACC2 Index: MSCI All Country World Index ex USA Net          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI All Country World Index ex USA Net      
Average Annual Return, Percent 7.55%        
NACC2 Index: MSCI All Country World Index ex USA Net          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI All Country World Index ex USA Net      
Average Annual Return, Percent 7.55%        
NACC2 Index: FTSE US Choice Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   FTSE US Choice Index      
Average Annual Return, Percent   20.25% 12.00% 16.88%  
NACC2 Index: FTSE US Choice Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   FTSE US Choice Index      
Average Annual Return, Percent   20.25% 12.00%   15.95%
NACC2 Index: MSCI U.S. Investable Market Materials 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Materials 25/50 Index      
Average Annual Return, Percent   15.28% 6.72%   10.18%
NACC2 Index: MSCI U.S. Investable Market Materials 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Materials 25/50 Index      
Average Annual Return, Percent   15.28% 6.72%   10.18%
NACC2 Index: Communication Services Spliced Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Communication Services Spliced Index      
Average Annual Return, Percent   4.69% 5.52%   8.55%
NACC2 Index: Communication Services Spliced Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Communication Services Spliced Index      
Average Annual Return, Percent   4.69% 5.52%   8.55%
NACC2 Index: Russell 1000 Growth Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Russell 1000 Growth Index      
Average Annual Return, Percent   10.82% 11.88%   17.95%
NACC2 Index: Russell 1000 Growth Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Russell 1000 Growth Index      
Average Annual Return, Percent   10.82% 11.88%   17.95%
NACC2 Index: MSCI U.S. Investable Market Utilities 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Utilities 25/50 Index      
Average Annual Return, Percent   2.84% 7.45%   8.90%
NACC2 Index: MSCI U.S. Investable Market Utilities 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Utilities 25/50 Index      
Average Annual Return, Percent   2.84% 7.45%   8.90%
NACC2 Index: Consumer Discretionary Spliced Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Consumer Discretionary Spliced Index      
Average Annual Return, Percent   2.22% 5.06%   13.33%
NACC2 Index: Consumer Discretionary Spliced Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Consumer Discretionary Spliced Index      
Average Annual Return, Percent   2.22% 5.06%   13.33%
NACC2 Index: MSCI U.S. Investable Market Consumer Staples 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Consumer Staples 25/50 Index      
Average Annual Return, Percent   7.14% 6.70%   7.80%
NACC2 Index: MSCI U.S. Investable Market Consumer Staples 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Consumer Staples 25/50 Index      
Average Annual Return, Percent   7.14% 6.70%   7.80%
NACC2 Index: MSCI U.S. Investable Market Energy 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Energy 25/50 Index      
Average Annual Return, Percent   46.16% 25.95%   10.46%
NACC2 Index: MSCI U.S. Investable Market Energy 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Energy 25/50 Index      
Average Annual Return, Percent   46.16% 25.95%   10.46%
NACC2 Index: MSCI U.S. Investable Market Financials 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Financials 25/50 Index      
Average Annual Return, Percent   8.80% 10.59%   13.17%
NACC2 Index: MSCI U.S. Investable Market Financials 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Financials 25/50 Index      
Average Annual Return, Percent   8.80% 10.59%   13.17%
NACC2 Index: MSCI U.S. Investable Market Health Care 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Health Care 25/50 Index      
Average Annual Return, Percent   27.69% 5.67%   10.86%
NACC2 Index: MSCI U.S. Investable Market Health Care 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Health Care 25/50 Index      
Average Annual Return, Percent   27.69% 5.67%   10.86%
NACC2 Index: MSCI U.S. Investable Market Industrials 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Industrials 25/50 Index      
Average Annual Return, Percent   16.44% 12.54%   13.42%
NACC2 Index: MSCI U.S. Investable Market Industrials 25/50 Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   MSCI U.S. Investable Market Industrials 25/50 Index      
Average Annual Return, Percent   16.44% 12.54%   13.42%
NACC2 Index: Information Technology Spliced Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Information Technology Spliced Index      
Average Annual Return, Percent   39.11% 18.59%   24.61%
NACC2 Index: Information Technology Spliced Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Information Technology Spliced Index      
Average Annual Return, Percent   39.11% 18.59%   24.61%
NACC2 Index: Morningstar US Mega Cap Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Morningstar US Mega Cap Index      
Average Annual Return, Percent   21.11% 13.38%   16.16%
NACC2 Index: Morningstar US Mega Cap Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Morningstar US Mega Cap Index      
Average Annual Return, Percent   21.11% 13.38%   16.16%
NACC2 Index: Morningstar US Mega Cap Value Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Morningstar US Mega Cap Value Index      
Average Annual Return, Percent   26.41% 12.94%   13.01%
NACC2 Index: Morningstar US Mega Cap Value Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Morningstar US Mega Cap Value Index      
Average Annual Return, Percent   26.41% 12.94%   13.01%
NACC2 Index: S&P Developed Ex-U.S. LargeMidCap Growth (USD) NTR          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   S&P Developed Ex-U.S. LargeMidCap Growth (USD) NTR      
Average Annual Return, Percent 9.82%        
NACC2 Index: S&P Developed Ex-U.S. LargeMidCap Value (USD) NTR          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   S&P Developed Ex-U.S. LargeMidCap Value (USD) NTR      
Average Annual Return, Percent 6.30%