Business	6 Months Ended
Jun. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business	1. BUSINESS The condensed consolidated financial statements include CVB Financial Corp. (referred to herein on an unconsolidated basis as “CVB” and on a consolidated basis as “we,” “our” or the “Company”) and its wholly owned subsidiary: Citizens Business Bank (the “Bank” or “CBB”) after elimination of all intercompany transactions and balances. The Company has one inactive subsidiary, Chino Valley Bancorp. The Company is also the common stockholder of CVB Statutory Trust III. CVB Statutory Trust III was created in January 2006 to issue trust preferred securities in order to raise capital for the Company. In accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 810, Consolidation, this trust does not meet the criteria for consolidation. The Company’s primary operations are related to traditional banking activities. This includes the acceptance of deposits and the lending and investing of money through the operations of the Bank. The Bank also provides trust and investment-related services to customers through its CitizensTrust Division. The Bank’s customers consist primarily of small to mid-sized businesses and individuals located in San Bernardino County, Riverside County, Los Angeles County, Orange County, San Diego County, Ventura County, Santa Barbara County, and the Central Valley area of California. The Bank operates 43 Business Financial Centers, eight Commercial Banking Centers, and three trust office locations. The Company is headquartered in the city of Ontario, California. On February 29, 2016, we completed the acquisition of County Commerce Bank (“CCB”), headquartered in Ventura County with four branch locations in Ventura County with total assets of approximately $253 million. This acquisition extends our geographic footprint northward into the central coast of California. Our condensed consolidated financial statements for 2016 include CCB operations, post-merger. See Note 4 – Business Combinations, included herein.

1. BUSINESS

The condensed consolidated financial statements include CVB Financial Corp. (referred to herein on an unconsolidated basis as “CVB” and on a consolidated basis as “we,” “our” or the “Company”) and its wholly owned subsidiary: Citizens Business Bank (the “Bank” or “CBB”) after elimination of all intercompany transactions and balances. The Company has one inactive subsidiary, Chino Valley Bancorp. The Company is also the common stockholder of CVB Statutory Trust III. CVB Statutory Trust III was created in January 2006 to issue trust preferred securities in order to raise capital for the Company. In accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 810, Consolidation, this trust does not meet the criteria for consolidation.

The Company’s primary operations are related to traditional banking activities. This includes the acceptance of deposits and the lending and investing of money through the operations of the Bank. The Bank also provides trust and investment-related services to customers through its CitizensTrust Division. The Bank’s customers consist primarily of small to mid-sized businesses and individuals located in San Bernardino County, Riverside County, Los Angeles County, Orange County, San Diego County, Ventura County, Santa Barbara County, and the Central Valley area of California. The Bank operates 43 Business Financial Centers, eight Commercial Banking Centers, and three trust office locations. The Company is headquartered in the city of Ontario, California.

On February 29, 2016, we completed the acquisition of County Commerce Bank (“CCB”), headquartered in Ventura County with four branch locations in Ventura County with total assets of approximately $253 million. This acquisition extends our geographic footprint northward into the central coast of California. Our condensed consolidated financial statements for 2016 include CCB operations, post-merger. See Note 4 – Business Combinations, included herein.