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Annual Total Returns (Vanguard Target Retirement 2060 Fund - Investor Shares Participant) (Vanguard Target Retirement 2060 Fund, Vanguard Target Retirement 2060 Fund - Investor Shares)
12 Months Ended
Sep. 30, 2014
Vanguard Target Retirement 2060 Fund | Vanguard Target Retirement 2060 Fund - Investor Shares
 
Annual Total Return  
2014 7.16%rr_AnnualReturn2014
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2013 24.35%rr_AnnualReturn2013
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