| Shareholder Report | 6 Months Ended |
| May 31, 2024 USD ($) Holding |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Vanguard Wellington Fund |
| Entity Central Index Key | 0000105563 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | May 31, 2024 |
| C000241270 | |
| Shareholder Report [Line Items] | |
| Fund Name | Short-Term Tax-Exempt Bond ETF |
| Class Name | ETF Shares |
| Trading Symbol | VTES |
| Annual or Semi-Annual Statement [Text Block] | You can find additional information about the Fund at https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | This semi-annual shareholder report contains important information about Vanguard Short-Term Tax-Exempt Bond ETF (the "Fund") for the period of December 1, 2023, to May 31, 2024. |
| Additional Information Phone Number | 1-800-662-2739 |
| Additional Information Website | https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span>" id="sjs-B19"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; height: auto; max-height: none; min-height: 0px;">https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span> |
| Expenses [Text Block] | What were the Fund costs for the period? (based on a hypothetical $10,000 investment) Share Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment ETF Shares $4 0.07% Footnote Reference Footnote Description Footnote 1 Annualized. |
| Expenses Paid, Amount | $ 4 |
| Expense Ratio, Percent | 0.07% |
| AssetsNet | $ 440,000,000 |
| Holdings Count | Holding | 2,195 |
| InvestmentCompanyPortfolioTurnover | 9% |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund Net Assets (in millions) $440 Number of Portfolio Holdings 2,195 Portfolio Turnover Rate 9% |
| Holdings [Text Block] | This table reflects the Fund's investments, including short-term investments and other assets and liabilities. Distribution by Effective Maturity % of Net Assets (as of May 31, 2024) Less than 1 Year 16.6% 1 to 3 Years 30.8% 3 to 5 Years 26.9% 5 to 10 Years 25.6% 10 to 20 Years 0.1% 20 to 30 Years -% Other Assets and Liabilities Net -% |
| Material Fund Change [Text Block] | |
| C000198465 | |
| Shareholder Report [Line Items] | |
| Fund Name | U.S. Minimum Volatility ETF |
| Class Name | ETF Shares |
| Trading Symbol | VFMV |
| Annual or Semi-Annual Statement [Text Block] | You can find additional information about the Fund at https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | This semi-annual shareholder report contains important information about Vanguard U.S. Minimum Volatility ETF (the "Fund") for the period of December 1, 2023, to May 31, 2024. |
| Additional Information Phone Number | 1-800-662-2739 |
| Additional Information Website | https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span>" id="sjs-B38"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; height: auto; max-height: none; min-height: 0px;">https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span> |
| Expenses [Text Block] | What were the Fund costs for the period? (based on a hypothetical $10,000 investment) Share Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment ETF Shares $7 0.13% Footnote Reference Footnote Description Footnote 1 Annualized. |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.13% |
| AssetsNet | $ 102,000,000 |
| Holdings Count | Holding | 151 |
| InvestmentCompanyPortfolioTurnover | 19% |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund Net Assets (in millions) $102 Number of Portfolio Holdings 151 Portfolio Turnover Rate 19% |
| Holdings [Text Block] | This table reflects the Fund's investments, including short-term investments and other assets and liabilities. Portfolio Composition % of Net Assets (as of May 31, 2024) Basic Materials 0.5% Consumer Discretionary 14.2% Consumer Staples 11.2% Energy 5.2% Financials 8.7% Health Care 12.6% Industrials 10.5% Real Estate 0.3% Technology 22.0% Telecommunications 7.7% Utilities 6.6% Other Assets and Liabilities Net 0.5% |
| Material Fund Change [Text Block] | |
| C000198466 | |
| Shareholder Report [Line Items] | |
| Fund Name | U.S. Momentum Factor ETF |
| Class Name | ETF Shares |
| Trading Symbol | VFMO |
| Annual or Semi-Annual Statement [Text Block] | You can find additional information about the Fund at https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | This semi-annual shareholder report contains important information about Vanguard U.S. Momentum Factor ETF (the "Fund") for the period of December 1, 2023, to May 31, 2024. |
| Additional Information Phone Number | 1-800-662-2739 |
| Additional Information Website | https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span>" id="sjs-B57"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; height: auto; max-height: none; min-height: 0px;">https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span> |
| Expenses [Text Block] | What were the Fund costs for the period? (based on a hypothetical $10,000 investment) Share Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment ETF Shares $7 0.13% Footnote Reference Footnote Description Footnote 1 Annualized. |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.13% |
| AssetsNet | $ 581,000,000 |
| Holdings Count | Holding | 619 |
| InvestmentCompanyPortfolioTurnover | 43% |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund Net Assets (in millions) $581 Number of Portfolio Holdings 619 Portfolio Turnover Rate 43% |
| Holdings [Text Block] | This table reflects the Fund's investments, including short-term investments and other assets and liabilities. Portfolio Composition % of Net Assets (as of May 31, 2024) Basic Materials 2.5% Consumer Discretionary 16.4% Consumer Staples 3.1% Energy 5.7% Financials 17.0% Health Care 13.2% Industrials 23.8% Real Estate 0.3% Technology 15.7% Telecommunications 1.5% Utilities 0.3% Other Assets and Liabilities Net 0.5% |
| Material Fund Change [Text Block] | |
| C000198481 | |
| Shareholder Report [Line Items] | |
| Fund Name | U.S. Multifactor ETF |
| Class Name | ETF Shares |
| Trading Symbol | VFMF |
| Annual or Semi-Annual Statement [Text Block] | You can find additional information about the Fund at https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | This semi-annual shareholder report contains important information about Vanguard U.S. Multifactor ETF (the "Fund") for the period of December 1, 2023, to May 31, 2024. |
| Additional Information Phone Number | 1-800-662-2739 |
| Additional Information Website | https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span>" id="sjs-B76"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; height: auto; max-height: none; min-height: 0px;">https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span> |
| Expenses [Text Block] | What were the Fund costs for the period? (based on a hypothetical $10,000 investment) Share Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment ETF Shares $10 0.18% Footnote Reference Footnote Description Footnote 1 Annualized. |
| Expenses Paid, Amount | $ 10 |
| Expense Ratio, Percent | 0.18% |
| AssetsNet | $ 269,000,000 |
| Holdings Count | Holding | 467 |
| InvestmentCompanyPortfolioTurnover | 13% |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund Net Assets (in millions) $269 Number of Portfolio Holdings 467 Portfolio Turnover Rate 13% |
| Holdings [Text Block] | This table reflects the Fund's investments, including short-term investments and other assets and liabilities. Portfolio Composition % of Net Assets (as of May 31, 2024) Basic Materials 5.0% Consumer Discretionary 19.1% Consumer Staples 4.2% Energy 12.6% Financials 23.3% Health Care 5.3% Industrials 17.5% Real Estate 0.3% Technology 10.6% Telecommunications 1.6% Other Assets and Liabilities Net 0.5% |
| Material Fund Change [Text Block] | |
| C000198467 | |
| Shareholder Report [Line Items] | |
| Fund Name | U.S. Multifactor Fund |
| Class Name | Admiral Shares |
| Trading Symbol | VFMFX |
| Annual or Semi-Annual Statement [Text Block] | You can find additional information about the Fund at https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | This semi-annual shareholder report contains important information about Vanguard U.S. Multifactor Fund (the "Fund") for the period of December 1, 2023, to May 31, 2024. |
| Additional Information Phone Number | 1-800-662-2739 |
| Additional Information Website | https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span>" id="sjs-B95"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; height: auto; max-height: none; min-height: 0px;">https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span> |
| Expenses [Text Block] | What were the Fund costs for the period? (based on a hypothetical $10,000 investment) Share Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Admiral Shares $10 0.18% Footnote Reference Footnote Description Footnote 1 Annualized. |
| Expenses Paid, Amount | $ 10 |
| Expense Ratio, Percent | 0.18% |
| AssetsNet | $ 119,000,000 |
| Holdings Count | Holding | 440 |
| InvestmentCompanyPortfolioTurnover | 28% |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund Net Assets (in millions) $119 Number of Portfolio Holdings 440 Portfolio Turnover Rate 28% |
| Holdings [Text Block] | This table reflects the Fund's investments, including short-term investments and other assets and liabilities. Portfolio Composition % of Net Assets (as of May 31, 2024) Basic Materials 4.2% Consumer Discretionary 18.4% Consumer Staples 3.7% Energy 12.0% Financials 23.9% Health Care 6.0% Industrials 17.4% Real Estate 0.5% Technology 10.8% Telecommunications 1.6% Other Assets and Liabilities Net 1.5% |
| Material Fund Change [Text Block] | |
| C000198469 | |
| Shareholder Report [Line Items] | |
| Fund Name | U.S. Quality Factor ETF |
| Class Name | ETF Shares |
| Trading Symbol | VFQY |
| Annual or Semi-Annual Statement [Text Block] | You can find additional information about the Fund at https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | This semi-annual shareholder report contains important information about Vanguard U.S. Quality Factor ETF (the "Fund") for the period of December 1, 2023, to May 31, 2024. |
| Additional Information Phone Number | 1-800-662-2739 |
| Additional Information Website | https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span>" id="sjs-B114"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; height: auto; max-height: none; min-height: 0px;">https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span> |
| Expenses [Text Block] | What were the Fund costs for the period? (based on a hypothetical $10,000 investment) Share Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment ETF Shares $7 0.13% Footnote Reference Footnote Description Footnote 1 Annualized. |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.13% |
| AssetsNet | $ 333,000,000 |
| Holdings Count | Holding | 371 |
| InvestmentCompanyPortfolioTurnover | 18% |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund Net Assets (in millions) $333 Number of Portfolio Holdings 371 Portfolio Turnover Rate 18% |
| Holdings [Text Block] | This table reflects the Fund's investments, including short-term investments and other assets and liabilities. Portfolio Composition % of Net Assets (as of May 31, 2024) Basic Materials 2.9% Consumer Discretionary 22.4% Consumer Staples 5.7% Energy 2.8% Financials 11.9% Health Care 10.5% Industrials 22.9% Technology 19.9% Telecommunications 0.5% Other Assets and Liabilities Net 0.5% |
| Material Fund Change [Text Block] | |
| C000198470 | |
| Shareholder Report [Line Items] | |
| Fund Name | U.S. Value Factor ETF |
| Class Name | ETF Shares |
| Trading Symbol | VFVA |
| Annual or Semi-Annual Statement [Text Block] | You can find additional information about the Fund at https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature |
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report |
| Additional Information [Text Block] | This semi-annual shareholder report contains important information about Vanguard U.S. Value Factor ETF (the "Fund") for the period of December 1, 2023, to May 31, 2024. |
| Additional Information Phone Number | 1-800-662-2739 |
| Additional Information Website | https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span>" id="sjs-B133"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; height: auto; max-height: none; min-height: 0px;">https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature</span> |
| Expenses [Text Block] | What were the Fund costs for the period? (based on a hypothetical $10,000 investment) Share Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment ETF Shares $7 0.13% Footnote Reference Footnote Description Footnote 1 Annualized. |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.13% |
| AssetsNet | $ 703,000,000 |
| Holdings Count | Holding | 573 |
| InvestmentCompanyPortfolioTurnover | 18% |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund Net Assets (in millions) $703 Number of Portfolio Holdings 573 Portfolio Turnover Rate 18% |
| Holdings [Text Block] | This table reflects the Fund's investments, including short-term investments and other assets and liabilities. Portfolio Composition % of Net Assets (as of May 31, 2024) Basic Materials 5.2% Consumer Discretionary 16.7% Consumer Staples 7.0% Energy 12.5% Financials 25.8% Health Care 8.3% Industrials 14.1% Real Estate 0.4% Technology 5.2% Telecommunications 4.3% Other Assets and Liabilities Net 0.5% |
| Material Fund Change [Text Block] | |
