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Vanguard High-Yield Corporate Fund Investment Risks - Retail Prospectus [Member] - Vanguard High-Yield Corporate Fund
Jan. 31, 2026
General Market Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • General Market Risk. The markets in which the Fund invests can be affected by a variety of factors. These factors, which can be real or perceived, may include economic, market, political, and regulatory conditions and developments as well as local, regional, or global events such as wars, military conflicts, natural disasters, and public health issues. In addition, investor sentiment and expectations regarding these factors can also impact the markets. Different parts of the market, including different industries and sectors as well as different types of securities, may react differently to factors that affect the market. These factors can contribute to market uncertainty, market volatility, and fluctuations in the value of the Fund’s investments, thereby resulting in potential losses to the Fund over short or long periods.
Investing in Bond Markets Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Investing in Bond Markets. The Fund may be impacted by the general condition of the bond markets and by factors that affect bonds and bond issuers. For example, as a general rule, bond prices and interest rates move in opposite directions. When interest rates rise, bond prices tend to fall, and when interest rates fall, bond prices tend to go up. Bond income also is affected by changes in interest rates. Interest rates can rise or fall for a number of reasons, including, but not limited to, central bank monetary policy, inflationary or deflationary pressures, and changes in general market and economic conditions. Changing interest rates, including, but not limited to, rates that fall below zero, could have unpredictable effects on the overall market and may expose the bond markets in particular to heightened volatility and potential illiquidity. The degree to which the Fund is impacted by certain bond market risks may vary based on factors disclosed in its principal investment strategies, such as the types of bonds in which it invests and the overall credit quality, average maturity, and/or average duration of its bond holdings.
Interest Rate Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Interest Rate Risk. During periods of rising interest rates, bond prices overall may decline, which could result in a decline in the Fund’s value. The prices of longer-term bonds are more sensitive to changes in interest rates than the prices of shorter-term bonds.
Income Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Income Risk. During periods of falling interest rates, the Fund’s income may decline. The income paid by shorter-term bonds is subject to a higher degree of fluctuation than the income paid by longer-term bonds.
Credit Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Credit Risk. Credit risk refers to the chance that an issuer will default (fail to meet its credit obligations) or fail to make payments in a timely manner, which could result in a loss to the Fund. In addition, negative perceptions of an issuer’s ability to make payments can cause the price of a security to decline. While all debt securities are subject to credit risk to some extent, those with higher credit quality ratings generally pose less credit risk than those with lower credit quality ratings.
Bond Liquidity Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Bond Liquidity Risk. If the Fund is unable to sell a security at an advantageous time or price, its returns may be reduced. There may be limited trading in the secondary market for certain debt securities, which could make them more difficult to value or sell. For example, the market for certain 144A securities may be less active than the market for publicly traded securities. Investing in such securities may heighten this risk for the Fund.
Call Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Call Risk. Certain bonds held by the Fund may be callable. The issuer of a callable bond has the right to “call” (redeem) the bond before its maturity date. Calls on bonds held by the Fund would result in the Fund losing any price appreciation above the bond’s call price. In addition, because bond calls occur more frequently during periods of falling interest rates, the Fund likely would be forced to reinvest the proceeds of any called bonds at a lower interest rate than that of the called bonds, resulting in a decline in the Fund’s income and a potential loss in the value of the Fund’s investments. Frequent bond calls and subsequent reinvestments of the proceeds also would increase the Fund’s turnover rate.
Extension Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Extension Risk. During periods of rising interest rates, certain bonds held by the Fund may be paid off substantially more slowly than originally anticipated. As a result, the value of the bonds may fall, resulting in a decline in the Fund’s income and a potential loss in the value of the Fund’s investments.
High-Yield Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • High-Yield Securities. Bonds rated below investment-grade, also referred to as high-yield securities, are considered speculative with respect to the issuer’s ability, or perceptions of the issuer’s ability, to make timely principal and interest payments. They are more volatile, less liquid, and involve greater risk of default than investment-grade securities. Investing in high-yield securities could result in a loss of income and/or principal for the Fund.
Bank Loans and Loan Interests Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Bank Loans and Loan Interests. Investments in bank loans and loan interests (loans) are subject to the risk of loss in the event of default, insolvency, or the bankruptcy of the borrower. The Fund may have difficulty disposing of such investments because, in certain cases, their secondary market is not highly liquid. This lack of a highly liquid secondary market could have an adverse impact on the value of loans and on the Fund’s ability to dispose of them in response to a specific economic event, such as a downgrade in the borrower’s credit rating. In addition, transactions involving loans may take more than seven days to settle. As a result, the proceeds related to the sale of loans may not be available to the Fund to make additional investments or to meet the Fund’s redemption obligations until a significant amount of time after the sale occurs (an “extended settlement”). To the extent that an extended settlement creates a need for short-term liquidity, the Fund may satisfy this need in a number of different ways. For example, the Fund may hold additional cash or sell other investments (potentially at an inopportune time, which could result in a loss to the Fund).
Active Management Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Active Management. The Fund is actively managed. The advisors’ security selection and/or strategy execution could cause the Fund to underperform relevant securities markets or other funds with a similar investment objective.
Derivatives Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] • Investing in Derivatives. Investing in derivatives may present risks different from, and/or greater than, those associated with investing directly in stocks, bonds, or other types of investments. Derivatives could expose the Fund to increased volatility and/or significant loss. Certain derivatives have an inherent leverage component, providing the Fund exposure to a sizable position in an underlying asset with a relatively small upfront investment at the time the Fund enters into the derivatives position. For these derivatives, an adverse change in the value or price of the underlying asset could result in a loss substantially greater than the amount invested in the derivative itself. Some derivatives require the Fund to enter into a contract with a counterparty. If the counterparty is unable or unwilling to fulfill its contractual obligation, the Fund may experience a loss. A liquid market may not always exist for the Fund’s derivatives positions. The Fund may be unable to sell or otherwise exit its derivatives position at desired times or prices, which could also result in a loss to the Fund. Some derivatives, particularly OTC derivatives, can be complex and often are valued subjectively. Valuation may be more difficult in times of market turmoil since many investors and market makers may be reluctant to purchase complex instruments or quote prices for them. Improper valuations can result in increased cash payment requirements to counterparties or a loss of value to the Fund.
Derivatives may not perform as intended, which may result in losses to the Fund. For example,derivatives used for hedging or as a substitute for a portfolio instrument may not provide the expected benefits, particularly during adverse market conditions. The use of derivatives is also subject to legal risk, which includes the risk of loss resulting from insufficient or unenforceable contractual documentation, insufficient capacity or authority of the Fund’s counterparty, and operational risk, which includes documentation or settlement issues, system failures, inadequate controls, and human error.
Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] As with any investment, an investment in the Fund could lose money over any time period.
Risk Not Insured Depository Institution [Member]  
Prospectus [Line Items]  
Risk [Text Block] An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.