XML 16 R1.htm IDEA: XBRL DOCUMENT v3.22.0.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2021
Jan. 31, 2022
Jun. 30, 2021
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2021    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-32630    
Entity Registrant Name FIDELITY NATIONAL FINANCIAL, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 16-1725106    
Entity Address, Address Line One 601 Riverside Avenue    
Entity Address, City or Town Jacksonville    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 32204    
City Area Code 904    
Local Phone Number 854-8100    
Title of 12(b) Security FNF Common Stock, $0.0001 par value    
Trading Symbol FNF    
Security Exchange Name NYSE    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 11,843,458,910
Entity Common Stock, Shares Outstanding   283,570,222  
Amendment Flag false    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001331875    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No