v3.25.2
Shareholder Report
6 Months Ended
May 31, 2025
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, 2025
C000012163 [Member]  
Shareholder Report [Line Items]  
Fund Name Vanguard Wellington™ Fund
Class Name Investor Shares
Trading Symbol VWELX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Vanguard Wellington Fund (the "Fund") for the period of December 1, 2024, to May 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature. You can also request this information by contacting us at 800-662-7447.
Additional Information Phone Number 800-662-7447
Additional Information Website https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature
Expenses [Text Block]
What were the Fund costs for the last six months?
(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
Investor Shares $12 0.24%1
1
Annualized.
Expenses Paid, Amount $ 12
Expense Ratio, Percent 0.24% [1]
Net Assets $ 110,878,000,000
Holdings Count | Holding 1,544
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Fund Statistics
(as of May 31, 2025)
Fund Net Assets
(in millions)
$110,878
Number of Portfolio Holdings 1,544
Portfolio Turnover Rate 31%
Holdings [Text Block]
Portfolio Composition % of Net Assets
(as of May 31, 2025)
Asset-Backed/Commercial Mortgage-Backed Securities 1.1%
Common Stocks 66.1%
Corporate Bonds 21.3%
Sovereign Bonds 0.6%
Taxable Municipal Bonds 1.4%
U.S. Government and Agency Obligations 8.3%
Other Assets and Liabilities—Net 1.2%
This table reflects the Fund’s investments, including short-term investments, derivatives and other assets and liabilities.
C000012164 [Member]  
Shareholder Report [Line Items]  
Fund Name Vanguard Wellington™ Fund
Class Name Admiral™ Shares
Trading Symbol VWENX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Vanguard Wellington Fund (the "Fund") for the period of December 1, 2024, to May 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature. You can also request this information by contacting us at 800-662-7447.
Additional Information Phone Number 800-662-7447
Additional Information Website https://personal1.vanguard.com/ngf-next-gen-form-webapp/fund-literature
Expenses [Text Block]
What were the Fund costs for the last six months?
(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 $8 0.16%1
1
Annualized.
Expenses Paid, Amount $ 8
Expense Ratio, Percent 0.16% [2]
Net Assets $ 110,878,000,000
Holdings Count | Holding 1,544
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Fund Statistics
(as of May 31, 2025)
Fund Net Assets
(in millions)
$110,878
Number of Portfolio Holdings 1,544
Portfolio Turnover Rate 31%
Holdings [Text Block]
Portfolio Composition % of Net Assets
(as of May 31, 2025)
Asset-Backed/Commercial Mortgage-Backed Securities 1.1%
Common Stocks 66.1%
Corporate Bonds 21.3%
Sovereign Bonds 0.6%
Taxable Municipal Bonds 1.4%
U.S. Government and Agency Obligations 8.3%
Other Assets and Liabilities—Net 1.2%
This table reflects the Fund’s investments, including short-term investments, derivatives and other assets and liabilities.
[1] Annualized.
[2] Annualized.