XML 17 R1.htm IDEA: XBRL DOCUMENT v3.22.0.1
Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2021
Feb. 11, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Current Fiscal Year End Date --12-31    
Entity Central Index Key 0000354647    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Entity Interactive Data Current Yes    
Document Period End Date Dec. 31, 2021    
Entity Registrant Name CVB FINANCIAL CORP.    
Entity Current Reporting Status Yes    
Trading Symbol CVBF    
Title of 12(b) Security Common Stock, no par value    
Security Exchange Name NASDAQ    
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 Avenue    
Entity Address, Address Line Two Suite 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 Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   141,920,400  
Entity Public Float     $ 2,644,183,695
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
ICFR Auditor Attestation Flag true    
Auditor Firm ID 185    
Auditor Name KPMG LLP    
Auditor Location Los Angeles, California