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Annual Fund Operating Expenses (Vanguard New Jersey Tax-Exempt Money Market Fund, Vanguard New Jersey Tax-Exempt Money Market Fund - Investor Shares)
12 Months Ended
Nov. 30, 2010
Vanguard New Jersey Tax-Exempt Money Market Fund | Vanguard New Jersey Tax-Exempt Money Market Fund - Investor Shares
 
Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)  
Management Expenses 0.14%
12b-1 Distribution Fee none
Other Expenses 0.03%
Total Annual Fund Operating Expenses 0.17% [1]
[1] Vanguard and the Fund's Board have voluntarily agreed to temporarily limit certain net operating expenses in excess of the Fund's daily yield so as to maintain a zero or positive yield for the Fund. Vanguard and the Fund's Board may terminate the temporary expense limitation at any time.