Expense Example - Vanguard Windsor II Fund	Investor Shares 1 Year	Investor Shares 3 Years	Investor Shares 5 Years	Investor Shares 10 Years	Admiral Shares 1 Year	Admiral Shares 3 Years	Admiral Shares 5 Years	Admiral Shares 10 Years
USD ($)	35	109	191	431	27	84	146	331