XML 59 R43.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Investments - Unrealized Loss Position Maturities (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Fair Value    
Less than one year $ 1,107  
One year through five years 5,528  
After five years through ten years 2,504  
Greater than ten years 2,470  
Fair Value 14,242 $ 12,548
Unrealized Losses    
Less than one year 19  
One year through five years 235  
After five years through ten years 181  
Greater than ten years 268  
Unrealized Losses 873 836
Residential mortgage-backed securities    
Fair Value    
Debt securities, maturity, without single maturity date, fair value 611  
Fair Value 611 614
Unrealized Losses    
Debt securities, maturity, without single maturity date, unrealized losses 62  
Unrealized Losses 62 60
Commercial mortgage-backed securities    
Fair Value    
Debt securities, maturity, without single maturity date, fair value 719  
Fair Value 719 675
Unrealized Losses    
Debt securities, maturity, without single maturity date, unrealized losses 93  
Unrealized Losses 93 100
Other asset-backed securities    
Fair Value    
Debt securities, maturity, without single maturity date, fair value 1,303  
Fair Value 1,303 1,316
Unrealized Losses    
Debt securities, maturity, without single maturity date, unrealized losses 15  
Unrealized Losses 15 $ 18
Supporting experience-rated products    
Fair Value    
Less than one year 14  
One year through five years 126  
After five years through ten years 78  
Greater than ten years 165  
Fair Value 420  
Unrealized Losses    
Less than one year 0  
One year through five years 4  
After five years through ten years 8  
Greater than ten years 18  
Unrealized Losses 32  
Supporting experience-rated products | Residential mortgage-backed securities    
Fair Value    
Debt securities, maturity, without single maturity date, fair value 7  
Unrealized Losses    
Debt securities, maturity, without single maturity date, unrealized losses 0  
Supporting experience-rated products | Commercial mortgage-backed securities    
Fair Value    
Debt securities, maturity, without single maturity date, fair value 15  
Unrealized Losses    
Debt securities, maturity, without single maturity date, unrealized losses 1  
Supporting experience-rated products | Other asset-backed securities    
Fair Value    
Debt securities, maturity, without single maturity date, fair value 15  
Unrealized Losses    
Debt securities, maturity, without single maturity date, unrealized losses 1  
Supporting remaining products    
Fair Value    
Less than one year 1,093  
One year through five years 5,402  
After five years through ten years 2,426  
Greater than ten years 2,305  
Fair Value 13,822  
Unrealized Losses    
Less than one year 19  
One year through five years 231  
After five years through ten years 173  
Greater than ten years 250  
Unrealized Losses 841  
Supporting remaining products | Residential mortgage-backed securities    
Fair Value    
Debt securities, maturity, without single maturity date, fair value 604  
Unrealized Losses    
Debt securities, maturity, without single maturity date, unrealized losses 62  
Supporting remaining products | Commercial mortgage-backed securities    
Fair Value    
Debt securities, maturity, without single maturity date, fair value 704  
Unrealized Losses    
Debt securities, maturity, without single maturity date, unrealized losses 92  
Supporting remaining products | Other asset-backed securities    
Fair Value    
Debt securities, maturity, without single maturity date, fair value 1,288  
Unrealized Losses    
Debt securities, maturity, without single maturity date, unrealized losses $ 14