v3.26.3
Cover - shares
9 Months Ended
Sep. 30, 2026
Oct. 31, 2026
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2026  
Document Transition Report false  
Entity File Number 001-41490  
Entity Registrant Name F&G Annuities & Life, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 85-2487422  
Entity Address, Address Line One 801 Grand Avenue  
Entity Address, Address Line Two Suite 2600  
Entity Address, City or Town Des Moines  
Entity Address, State or Province IA  
Entity Address, Postal Zip Code 50309  
City Area Code 866  
Local Phone Number 846-4660  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   130,944,220
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001934850  
Current Fiscal Year End Date --12-31  
Common equity securities    
Entity Information [Line Items]    
Title of each class Common stock, par value $0.001 per share  
Trading Symbol(s) FG  
Name of each exchange on which registered NYSE  
7.950% Senior Notes Due 2053    
Entity Information [Line Items]    
Title of each class 7.950% Senior Notes due 2053  
Trading Symbol(s) FGN  
Name of each exchange on which registered NYSE  
7.300% F&G Junior Notes, due 2065    
Entity Information [Line Items]    
Title of each class 7.300% Junior Subordinated Notes due 2065  
Trading Symbol(s) FGSN  
Name of each exchange on which registered NYSE