Vanguard Total World Bond ETF Annual Fund Operating Expenses - ETF Prospectus [Member] - Vanguard Total World Bond ETF - ETF Shares	Aug. 31, 2025
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):	0.00%
Acquired Fund Fees and Expenses	0.05%
Expenses (as a percentage of Assets)	0.05%

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