v3.24.0.1
Merger with Athene - Schedule of Purchase Price (Details)
$ / shares in Units, $ in Millions
Jan. 01, 2022
USD ($)
$ / shares
shares
Dec. 31, 2023
shares
Dec. 31, 2022
shares
Business Acquisition [Line Items]      
AHL common shares purchased (in shares) | shares   567,762,932 570,276,188
Athene      
Business Acquisition [Line Items]      
Cash dividends declared $ 750    
Athene Holding Limited      
Business Acquisition [Line Items]      
AHL common shares purchased (in shares) | shares 138,000,000    
Exchange ratio 1.149    
Shares of common stock issued in exchange (in shares) | shares 158,000,000    
AGM Class A shares closing price (in dollars per share) | $ / shares $ 72.43    
Total merger consideration at closing $ 11,455    
Fair value of estimated RSUs, options and warrants assumed and other equity consideration 699    
Effective settlement of pre-existing relationships 896    
Total merger consideration 13,050    
Fair value of AHL common shares previously held and other adjustments 4,554    
Total AHL equity value held by AGM 17,604    
Non-controlling interest 4,942    
Total AHL equity value $ 22,546    
Fair value of AHL common shares previously held (in shares) | shares 55,000,000    
Fair value of awards $ 600    
Pre-combination equity compensation expense 99    
Post-combination equity compensation expense 53    
Fees payable from Athene to AGM $ 146    
Ownership percentage 100.00%