110001 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 110002 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 110003 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 110004 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 110005 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 120010 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 120020 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 120030 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 120040 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 120045 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 120050 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120060 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120070 - Disclosure - Vanguard Ultra-Short-Term Bond Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 110000 - Disclosure - Vanguard Ultra-Short-Term Bond Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 210001 - Disclosure - Vanguard Short-Term Treasury Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 210002 - Disclosure - Vanguard Short-Term Treasury Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 210003 - Disclosure - Vanguard Short-Term Treasury Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 210004 - Disclosure - Vanguard Short-Term Treasury Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 210005 - Disclosure - Vanguard Short-Term Treasury Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 220010 - Disclosure - Vanguard Short-Term Treasury Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 220020 - Disclosure - Vanguard Short-Term Treasury Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 220030 - Disclosure - Vanguard Short-Term Treasury Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 220040 - Disclosure - Vanguard Short-Term Treasury Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 220045 - Disclosure - Vanguard Short-Term Treasury Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 220050 - Disclosure - Vanguard Short-Term Treasury Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220060 - Disclosure - Vanguard Short-Term Treasury Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220070 - Disclosure - Vanguard Short-Term Treasury Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 210000 - Disclosure - Vanguard Short-Term Treasury Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 310001 - Disclosure - Vanguard Short-Term Federal Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 310002 - Disclosure - Vanguard Short-Term Federal Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 310003 - Disclosure - Vanguard Short-Term Federal Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 310004 - Disclosure - Vanguard Short-Term Federal Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 310005 - Disclosure - Vanguard Short-Term Federal Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 320010 - Disclosure - Vanguard Short-Term Federal Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 320020 - Disclosure - Vanguard Short-Term Federal Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 320030 - Disclosure - Vanguard Short-Term Federal Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 320040 - Disclosure - Vanguard Short-Term Federal Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 320045 - Disclosure - Vanguard Short-Term Federal Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 320050 - Disclosure - Vanguard Short-Term Federal Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320060 - Disclosure - Vanguard Short-Term Federal Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320070 - Disclosure - Vanguard Short-Term Federal Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 310000 - Disclosure - Vanguard Short-Term Federal Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 410001 - Disclosure - Vanguard Short-Term Investment-Grade Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 410002 - Disclosure - Vanguard Short-Term Investment-Grade Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 410003 - Disclosure - Vanguard Short-Term Investment-Grade Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 410004 - Disclosure - Vanguard Short-Term Investment-Grade Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 410005 - Disclosure - Vanguard Short-Term Investment-Grade Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 420010 - Disclosure - Vanguard Short-Term Investment-Grade Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 420020 - Disclosure - Vanguard Short-Term Investment-Grade Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 420030 - Disclosure - Vanguard Short-Term Investment-Grade Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 420040 - Disclosure - Vanguard Short-Term Investment-Grade Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 420045 - Disclosure - Vanguard Short-Term Investment-Grade Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 420050 - Disclosure - Vanguard Short-Term Investment-Grade Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420060 - Disclosure - Vanguard Short-Term Investment-Grade Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420070 - Disclosure - Vanguard Short-Term Investment-Grade Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 410000 - Disclosure - Vanguard Short-Term Investment-Grade Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 510001 - Disclosure - Vanguard Intermediate-Term Treasury Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 510002 - Disclosure - Vanguard Intermediate-Term Treasury Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 510003 - Disclosure - Vanguard Intermediate-Term Treasury Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 510004 - Disclosure - Vanguard Intermediate-Term Treasury Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 510005 - Disclosure - Vanguard Intermediate-Term Treasury Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 520010 - Disclosure - Vanguard Intermediate-Term Treasury Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 520020 - Disclosure - Vanguard Intermediate-Term Treasury Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 520030 - Disclosure - Vanguard Intermediate-Term Treasury Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 520040 - Disclosure - Vanguard Intermediate-Term Treasury Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 520045 - Disclosure - Vanguard Intermediate-Term Treasury Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 520050 - Disclosure - Vanguard Intermediate-Term Treasury Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520060 - Disclosure - Vanguard Intermediate-Term Treasury Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520070 - Disclosure - Vanguard Intermediate-Term Treasury Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 510000 - Disclosure - Vanguard Intermediate-Term Treasury Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 610001 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 610002 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 610003 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 610004 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 610005 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 620010 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 620020 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 620030 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 620040 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 620045 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 620050 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620060 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620070 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 610000 - Disclosure - Vanguard Intermediate-Term Investment-Grade Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 710001 - Disclosure - Vanguard GNMA Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 710002 - Disclosure - Vanguard GNMA Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 710003 - Disclosure - Vanguard GNMA Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 710004 - Disclosure - Vanguard GNMA Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 710005 - Disclosure - Vanguard GNMA Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 720010 - Disclosure - Vanguard GNMA Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 720020 - Disclosure - Vanguard GNMA Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 720030 - Disclosure - Vanguard GNMA Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 720040 - Disclosure - Vanguard GNMA Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 720045 - Disclosure - Vanguard GNMA Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 720050 - Disclosure - Vanguard GNMA Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 720060 - Disclosure - Vanguard GNMA Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 720070 - Disclosure - Vanguard GNMA Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 710000 - Disclosure - Vanguard GNMA Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 810001 - Disclosure - Vanguard Long-Term Treasury Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 810002 - Disclosure - Vanguard Long-Term Treasury Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 810003 - Disclosure - Vanguard Long-Term Treasury Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 810004 - Disclosure - Vanguard Long-Term Treasury Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 810005 - Disclosure - Vanguard Long-Term Treasury Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 820010 - Disclosure - Vanguard Long-Term Treasury Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 820020 - Disclosure - Vanguard Long-Term Treasury Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 820030 - Disclosure - Vanguard Long-Term Treasury Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 820040 - Disclosure - Vanguard Long-Term Treasury Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 820045 - Disclosure - Vanguard Long-Term Treasury Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 820050 - Disclosure - Vanguard Long-Term Treasury Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 820060 - Disclosure - Vanguard Long-Term Treasury Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 820070 - Disclosure - Vanguard Long-Term Treasury Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 810000 - Disclosure - Vanguard Long-Term Treasury Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 910001 - Disclosure - Vanguard Long-Term Investment-Grade Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 910002 - Disclosure - Vanguard Long-Term Investment-Grade Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 910003 - Disclosure - Vanguard Long-Term Investment-Grade Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 910004 - Disclosure - Vanguard Long-Term Investment-Grade Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 910005 - Disclosure - Vanguard Long-Term Investment-Grade Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 920010 - Disclosure - Vanguard Long-Term Investment-Grade Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 920020 - Disclosure - Vanguard Long-Term Investment-Grade Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 920030 - Disclosure - Vanguard Long-Term Investment-Grade Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 920040 - Disclosure - Vanguard Long-Term Investment-Grade Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 920045 - Disclosure - Vanguard Long-Term Investment-Grade Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 920050 - Disclosure - Vanguard Long-Term Investment-Grade Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 920060 - Disclosure - Vanguard Long-Term Investment-Grade Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 920070 - Disclosure - Vanguard Long-Term Investment-Grade Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 910000 - Disclosure - Vanguard Long-Term Investment-Grade Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1010001 - Disclosure - Vanguard Short-Term Investment-Grade Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1010002 - Disclosure - Vanguard Short-Term Investment-Grade Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1010003 - Disclosure - Vanguard Short-Term Investment-Grade Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1010004 - Disclosure - Vanguard Short-Term Investment-Grade Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 1010005 - Disclosure - Vanguard Short-Term Investment-Grade Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 1020010 - Disclosure - Vanguard Short-Term Investment-Grade Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1020020 - Disclosure - Vanguard Short-Term Investment-Grade Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1020030 - Disclosure - Vanguard Short-Term Investment-Grade Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 1020040 - Disclosure - Vanguard Short-Term Investment-Grade Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1020045 - Disclosure - Vanguard Short-Term Investment-Grade Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 1020050 - Disclosure - Vanguard Short-Term Investment-Grade Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1020060 - Disclosure - Vanguard Short-Term Investment-Grade Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1020070 - Disclosure - Vanguard Short-Term Investment-Grade Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1010000 - Disclosure - Vanguard Short-Term Investment-Grade Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1110001 - Disclosure - Vanguard High-Yield Corporate Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1110002 - Disclosure - Vanguard High-Yield Corporate Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1110003 - Disclosure - Vanguard High-Yield Corporate Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1110004 - Disclosure - Vanguard High-Yield Corporate Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 1110005 - Disclosure - Vanguard High-Yield Corporate Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 1120010 - Disclosure - Vanguard High-Yield Corporate Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1120020 - Disclosure - Vanguard High-Yield Corporate Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1120030 - Disclosure - Vanguard High-Yield Corporate Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 1120040 - Disclosure - Vanguard High-Yield Corporate Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1120045 - Disclosure - Vanguard High-Yield Corporate Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 1120050 - Disclosure - Vanguard High-Yield Corporate Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1120060 - Disclosure - Vanguard High-Yield Corporate Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1120070 - Disclosure - Vanguard High-Yield Corporate Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1110000 - Disclosure - Vanguard High-Yield Corporate Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1210001 - Disclosure - Vanguard Real Estate II Index Fund Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1210002 - Disclosure - Vanguard Real Estate II Index Fund Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1210003 - Disclosure - Vanguard Real Estate II Index Fund Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1210004 - Disclosure - Vanguard Real Estate II Index Fund Investment Risks link:presentationLink link:definitionLink link:calculationLink 1210005 - Disclosure - Vanguard Real Estate II Index Fund Performance Management link:presentationLink link:definitionLink link:calculationLink 1220010 - Disclosure - Vanguard Real Estate II Index Fund Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1220020 - Disclosure - Vanguard Real Estate II Index Fund Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1220030 - Disclosure - Vanguard Real Estate II Index Fund Expense Example link:presentationLink link:definitionLink link:calculationLink 1220040 - Disclosure - Vanguard Real Estate II Index Fund Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1220045 - Disclosure - Vanguard Real Estate II Index Fund Risks Data link:presentationLink link:definitionLink link:calculationLink 1220050 - Disclosure - Vanguard Real Estate II Index Fund Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1220060 - Disclosure - Vanguard Real Estate II Index Fund Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1220070 - Disclosure - Vanguard Real Estate II Index Fund Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1210000 - Disclosure - Vanguard Real Estate II Index Fund N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1310001 - Disclosure - Vanguard High-Yield Active ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1310002 - Disclosure - Vanguard High-Yield Active ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1310003 - Disclosure - Vanguard High-Yield Active ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1310004 - Disclosure - Vanguard High-Yield Active ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1310005 - Disclosure - Vanguard High-Yield Active ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1320010 - Disclosure - Vanguard High-Yield Active ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1320020 - Disclosure - Vanguard High-Yield Active ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1320030 - Disclosure - Vanguard High-Yield Active ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1320040 - Disclosure - Vanguard High-Yield Active ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1320045 - Disclosure - Vanguard High-Yield Active ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1320050 - Disclosure - Vanguard High-Yield Active ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1320060 - Disclosure - Vanguard High-Yield Active ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1320070 - Disclosure - Vanguard High-Yield Active ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1310000 - Disclosure - Vanguard High-Yield Active ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink Vanguard Ultra-Short-Term Bond Fund S000048081 [Member] Retail Prospectus [Member] Investor Shares C000151976 [Member] Admiral Shares C000151975 [Member] After Taxes on Distributions[Member] After Taxes on Distributions And Sales[Member] Bloomberg U.S. Treasury Bellwethers: 1 Year Index (reflects no deduction for fees, expenses, or taxes)[Member] Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] General Market Risk [Member] Investing in Bond Markets Risk [Member] Interest Rate Risk [Member] Income Risk [Member] Credit Risk [Member] Bond Liquidity Risk [Member] Call Risk [Member] Prepayment Risk [Member] Extension Risk [Member] Active Management Risk [Member] Management of certain similar funds risk [Member] Derivatives Risk [Member] Vanguard Short-Term Treasury Fund S000002583 [Member] C000007089 [Member] C000007090 [Member] Bloomberg U.S. 1-5 Year Treasury Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] TBA Mortgage Backed Securities Risk [Member] Vanguard Short-Term Federal Fund S000002590 [Member] C000007105 [Member] C000007106 [Member] Bloomberg U.S. 1-5 Year Government Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] Short-Selling Risk [Member] Vanguard Short-Term Investment-Grade Fund S000002591 [Member] C000007107 [Member] C000007108 [Member] Bloomberg U.S. 1-5 Year Credit Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] Vanguard Intermediate-Term Treasury Fund S000002587 [Member] C000007099 [Member] C000007100 [Member] Bloomberg U.S. 5-10 Year Treasury Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] Vanguard Intermediate-Term Investment-Grade Fund S000002586 [Member] C000007097 [Member] C000007098 [Member] Bloomberg U.S. 5-10 Year Credit Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] Vanguard GNMA Fund S000002582 [Member] C000007087 [Member] C000007088 [Member] Bloomberg U.S. GNMA Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] Vanguard Long-Term Treasury Fund S000002589 [Member] C000007103 [Member] C000007104 [Member] Bloomberg U.S. Long Treasury Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] Vanguard Long-Term Investment-Grade Fund S000002588 [Member] C000007101 [Member] C000007102 [Member] Bloomberg U.S. Long Credit A or Better Bond Index (reflects no deduction for fees, expenses, or taxes)[Member] Institutional Prospectus [Member] Institutional Shares C000007109 [Member] Vanguard High-Yield Corporate Fund S000002584 [Member] C000007092 [Member] C000007093 [Member] High-Yield Corporate Composite Index (reflects no deduction for fees, expenses, or taxes)[Member] High-Yield Securities Risk [Member] Bank Loans and Loan Interests Risk [Member] Vanguard Real Estate II Index Fund S000059086 [Member] Institutional Plus Prospectus [Member] Institutional Plus Shares C000193720 [Member] Real Estate Spliced Index (reflects no deduction for fees, expenses, or taxes)[Member] MSCI US Investable Market Real Estate 25/50 Index (reflects no deduction for fees, expenses, or taxes)[Member] Dow Jones U.S. Total Stock Market Float Adjusted Index (reflects no deduction for fees, expenses, or taxes)[Member] Sector Risk [Member] Investing in REIT Risk [Member] Investing in Equity Markets Risk [Member] Market Capitalization Risk [Member] Nondiversified Funds [Member] Index Investing Risk [Member] Vanguard High-Yield Active ETF S000095284 [Member] ETF Prospectus [Member] ETF Shares C000264003 [Member] ETF Share Trading Risk [Member] Authorized Participants Risk [Member]