XML 9 R4.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName VANGUARD WHITEHALL FUNDS
Prospectus Date rr_ProspectusDate Feb. 27, 2019
Document Creation Date dei_DocumentCreationDate Dec. 16, 2019