XML 152 R114.htm IDEA: XBRL DOCUMENT v3.24.1
Schedule I - Investments (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Fair Value $ 6,319.8  
Amount at which shown at the balance sheet 6,412.4  
Privately-held Investments 475.0 $ 533.0
Other investments, at fair value (2) 209.3 221.3
Fair Value, Recurring [Member] | Apollo originating partnership    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Privately-held Investments 112.4 44.8
Other investments, at fair value (2) 15.9 12.7
Fair Value, Recurring [Member] | Apollo real estate fund    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Other investments, at fair value (2) 23.9 $ 25.3
U.S. government    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 1,473.6  
Fair Value 1,448.1  
Amount at which shown at the balance sheet 1,448.1  
U.S. agency    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 7.5  
Fair Value 7.2  
Amount at which shown at the balance sheet 7.2  
Municipal    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 136.9  
Fair Value 131.2  
Amount at which shown at the balance sheet 131.2  
Corporate    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 2,229.9  
Fair Value 2,130.8  
Amount at which shown at the balance sheet 2,130.8  
High yield loans    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 90.8  
Fair Value 92.1  
Amount at which shown at the balance sheet 92.1  
Non-U.S. government-backed corporate    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 115.1  
Fair Value 109.0  
Amount at which shown at the balance sheet 109.0  
Non-U.S government    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 315.7  
Fair Value 308.6  
Amount at which shown at the balance sheet 308.6  
Asset-backed    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 936.0  
Fair Value 908.2  
Amount at which shown at the balance sheet 908.2  
Agency commercial mortgage-backed securities    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 6.6  
Fair Value 5.8  
Amount at which shown at the balance sheet 5.8  
Agency mortgage-backed    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 544.9  
Fair Value 467.3  
Amount at which shown at the balance sheet 467.3  
Fixed maturities    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 5,857.0  
Fair Value 5,608.3  
Amount at which shown at the balance sheet 5,608.3  
Short-term investments    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 95.7  
Fair Value 95.7  
Amount at which shown at the balance sheet 95.7  
Catastrophe Bonds    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 1.6  
Fair Value 1.6  
Amount at which shown at the balance sheet 1.6  
Privately-held investments    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Amortized Cost or Cost 509.6  
Fair Value 437.1  
Amount at which shown at the balance sheet 489.9  
Equity Method Investments    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Fair Value 7.6  
Amount at which shown at the balance sheet 7.6  
Other investments    
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]    
Fair Value 169.6  
Amount at which shown at the balance sheet $ 209.3