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Document And Entity Information
Oct. 22, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 22, 2025
Entity Registrant Name CVB Financial Corp.
Entity Central Index Key 0000354647
Entity Emerging Growth Company false
Entity File Number 000-10140
Entity Incorporation, State or Country Code CA
Entity Tax Identification Number 95-3629339
Entity Address, Address Line One 701 N HAVEN AVE
Entity Address, Address Line Two STE 350
Entity Address, City or Town ONTARIO
Entity Address, State or Province CA
Entity Address, Postal Zip Code 91764
City Area Code 909
Local Phone Number 980-4030
Entity Information, Former Legal or Registered Name Not Applicable
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, No Par Value
Trading Symbol CVBF
Security Exchange Name NASDAQ