XML 39 R130.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Fair Value Measurements - Transfers (Details) - Recurring Fair Value Measurements - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Fixed maturities | Available-for-sale      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 2 into Level 1 $ 1.1    
Transfers out of Level 2 into Level 3 86.0 $ 59.3 $ 232.3
Transfers out of Level 3 into Level 2 78.6 385.6 434.6
Fixed maturities | Trading      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 2 into Level 3     1.9
Transfers out of Level 3 into Level 2   3.7  
U.S. government and agencies | Available-for-sale      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 2 into Level 1 1.1    
Non-U.S. governments | Available-for-sale      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 3 into Level 2   1.3 35.2
Corporate debt securities | Available-for-sale      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 2 into Level 3 4.1 1.0 22.2
Transfers out of Level 3 into Level 2   54.8 125.3
Commercial mortgage-backed securities | Available-for-sale      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 2 into Level 3 3.7 3.6 26.3
Transfers out of Level 3 into Level 2 2.3 1.5 84.5
Collateralized debt obligations | Available-for-sale      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 2 into Level 3 69.9 54.7 183.7
Transfers out of Level 3 into Level 2   237.0 101.3
Other debt obligations | Available-for-sale      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 2 into Level 3 8.3   0.1
Transfers out of Level 3 into Level 2 76.3 91.0 88.3
Other investments      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 2 into Level 3 10.0    
Equity securities | Trading      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 2 into Level 3     0.7
Separate account assets      
Fair Value Hierarchy Levels Transfers      
Transfers out of Level 1 into Level 2 102.7 293.2 12.5
Transfers out of Level 2 into Level 1   0.8 5.9
Transfers out of Level 2 into Level 3   2.3 3.1
Transfers out of Level 3 into Level 1   0.2  
Transfers out of Level 3 into Level 2 $ 173.2 $ 40.9 $ 38.7