XML 11 R3.htm IDEA: XBRL DOCUMENT v3.25.0.1
Label Element Value
Risk Return Abstract rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName VANGUARD CHESTER FUNDS
Prospectus Date rr_ProspectusDate Jan. 31, 2024
Document Creation Date dei_DocumentCreationDate Feb. 03, 2025