Shareholder Fees (USD $)	12 Months Ended
	Sep. 30, 2011
Vanguard Equity Income Fund | Vanguard Equity Income Fund - Investor Shares
Shareholder Fees (fees paid directly from your investment]
Sales charge (load) imposed on purchases	none
Purchase Fee	none
Sales charge (load) imposed on reinvested dividends	none
Redemption Fee	none
Account Service Fee (for fund account balances below $10,000)	$ 20
Vanguard Equity Income Fund | Vanguard Equity Income Fund - Admiral Shares
Shareholder Fees (fees paid directly from your investment]
Sales charge (load) imposed on purchases	none
Purchase Fee	none
Sales charge (load) imposed on reinvested dividends	none
Redemption Fee	none
Account Service Fee (for fund account balances below $10,000)	20
Vanguard Growth Equity Fund | Vanguard Growth Equity Fund - Investor Shares
Shareholder Fees (fees paid directly from your investment]
Sales charge (load) imposed on purchases	none
Purchase Fee	none
Sales charge (load) imposed on reinvested dividends	none
Redemption Fee	none
Account Service Fee (for fund account balances below $10,000)	20
Vanguard PRIMECAP Core Fund | Vanguard PRIMECAP Core Fund - Investor Shares
Shareholder Fees (fees paid directly from your investment]
Sales charge (load) imposed on purchases	none
Purchase Fee	none
Sales charge (load) imposed on reinvested dividends	none
Redemption Fee	(1.00%)
Account Service Fee (for fund account balances below $10,000)	$ 20
Participant | Vanguard PRIMECAP Core Fund
Shareholder Fees (fees paid directly from your investment]
Redemption Fee Parenthetical	(on shares held less than one year)
Retail | Vanguard PRIMECAP Core Fund
Shareholder Fees (fees paid directly from your investment]
Redemption Fee Parenthetical	(on shares held less than one year)