Vanguard U.S. High-Yield Corporate Bond Index ETF S000105350 [Member] ETF Prospectus [Member] ETF Shares C000276099 [Member] General Market Risk [Member] Investing in Bond Markets Risk [Member] High-Yield Securities Risk [Member] Interest Rate Risk [Member] Income Risk [Member] Credit Risk [Member] Bond Liquidity Risk [Member] Call Risk [Member] Extension Risk [Member] Index Investing Risk [Member] Concentration Risk [Member] Investing in Foreign Markets Risk [Member] ETF Share Trading Risk [Member] Authorized Participants Risk [Member]