v3.26.1
Form N-1A Cover
Jun. 20, 2026
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name PRIMECAP Odyssey Funds
Entity Central Index Key 0001293967
Entity Investment Company Type N-1A
Document Period End Date Jun. 18, 2026
Prospectus Date Jun. 20, 2026