v3.25.2
Vanguard Total Treasury ETF Annual Fund Operating Expenses - ETF Prospectus [Member] - Vanguard Total Treasury ETF - ETF Shares
Sep. 30, 2024
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.00%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.03%
Expenses (as a percentage of Assets) 0.03% [1]
[1] The expense information shown in the table reflects estimated amounts for the current fiscal year.