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Annual Total Returns (Vanguard U.S. Growth Fund - Admiral Shares Participant:) (Vanguard U.S. Growth Fund, Vanguard U.S. Growth Fund - Admiral Shares)
12 Months Ended
Aug. 31, 2013
Vanguard U.S. Growth Fund | Vanguard U.S. Growth Fund - Admiral Shares
 
Annual Total Return  
2013 35.71%
2012 18.54%
2011 (0.53%)
2010 11.74%
2009 35.14%
2008 (37.69%)
2007 10.39%
2006 2.03%
2005 11.38%
2004 7.29%