XML 76 R65.htm IDEA: XBRL DOCUMENT v3.22.1
Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale $ 71,413.6 $ 78,154.5
Fixed maturities, trading 414.8 422.2
Equity securities 2,260.4 2,347.2
Derivative instruments, assets 271.0 337.1
Separate account assets 173,516.3 182,345.4
Investment and universal life contracts $ (153.8) (356.3)
Fixed maturities valued using internal pricing models    
Fixed maturities classified as Level 3 assets, percent valued using internal pricing models (as a percent) 2.00%  
Amount measured at net asset value    
Assets (liabilities) measured at fair value on a recurring basis    
Unfunded commitments of investments measured using NAV $ 8.8 10.2
U.S. government and agencies    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1,869.8 2,088.6
Non-U.S. governments    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 901.7 982.0
States and political subdivisions    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 8,234.1 9,304.4
Corporate debt securities    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 42,411.8 45,944.4
Residential mortgage-backed pass-through securities    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1,905.4 3,152.9
Commercial mortgage-backed securities    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 5,423.2 5,562.2
Collateralized debt obligations    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 3,888.6 3,559.6
Other debt obligations    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 6,779.0 7,560.4
Recurring Fair Value Measurements    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 71,413.6 78,154.5
Fixed maturities, trading 414.8 422.2
Equity securities 2,260.4 2,347.2
Derivative instruments, assets 271.0 337.1
Other investments 848.7 896.2
Cash equivalents 1,492.7 1,117.8
Sub-total excluding separate account assets 76,701.2 83,275.0
Separate account assets 173,516.3 182,345.4
Total assets 250,217.5 265,620.4
Investment and universal life contracts (153.8) (356.3)
Derivative liabilities (330.3) (226.0)
Other liabilities (0.7) (0.7)
Total liabilities (484.8) (583.0)
Net assets (liabilities) 249,732.7 265,037.4
Recurring Fair Value Measurements | Amount measured at net asset value    
Assets (liabilities) measured at fair value on a recurring basis    
Other investments 93.8 92.7
Sub-total excluding separate account assets 93.8 92.7
Separate account assets 9,672.7 8,942.9
Total assets 9,766.5 9,035.6
Net assets (liabilities) 9,766.5 9,035.6
Recurring Fair Value Measurements | Fair value hierarchy Level 1    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1,567.8 1,758.6
Fixed maturities, trading 0.5 0.5
Equity securities 958.4 1,027.5
Other investments 332.6 395.3
Cash equivalents 15.1 14.2
Sub-total excluding separate account assets 2,874.4 3,196.1
Separate account assets 106,676.1 115,261.7
Total assets 109,550.5 118,457.8
Net assets (liabilities) 109,550.5 118,457.8
Recurring Fair Value Measurements | Fair value hierarchy Level 2    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 68,514.2 75,319.7
Fixed maturities, trading 351.9 416.8
Equity securities 1,302.0 1,319.7
Derivative instruments, assets 270.5 336.5
Other investments 420.9 406.1
Cash equivalents 1,477.6 1,103.6
Sub-total excluding separate account assets 72,337.1 78,902.4
Separate account assets 56,152.1 57,195.5
Total assets 128,489.2 136,097.9
Derivative liabilities (329.1) (225.4)
Other liabilities (0.7) (0.7)
Total liabilities (329.8) (226.1)
Net assets (liabilities) 128,159.4 135,871.8
Recurring Fair Value Measurements | Fair value hierarchy Level 3    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1,331.6 1,076.2
Fixed maturities, trading 62.4 4.9
Derivative instruments, assets 0.5 0.6
Other investments 1.4 2.1
Sub-total excluding separate account assets 1,395.9 1,083.8
Separate account assets 1,015.4 945.3
Total assets 2,411.3 2,029.1
Investment and universal life contracts (153.8) (356.3)
Derivative liabilities (1.2) (0.6)
Total liabilities (155.0) (356.9)
Net assets (liabilities) 2,256.3 1,672.2
Recurring Fair Value Measurements | U.S. government and agencies    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1,869.8 2,088.6
Recurring Fair Value Measurements | U.S. government and agencies | Fair value hierarchy Level 1    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1,531.8 1,716.5
Recurring Fair Value Measurements | U.S. government and agencies | Fair value hierarchy Level 2    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 338.0 372.1
Recurring Fair Value Measurements | Non-U.S. governments    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 901.7 982.0
Recurring Fair Value Measurements | Non-U.S. governments | Fair value hierarchy Level 1    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1.0 0.6
Recurring Fair Value Measurements | Non-U.S. governments | Fair value hierarchy Level 2    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 900.7 981.4
Recurring Fair Value Measurements | States and political subdivisions    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 8,234.1 9,304.4
Recurring Fair Value Measurements | States and political subdivisions | Fair value hierarchy Level 2    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 8,139.6 9,209.6
Recurring Fair Value Measurements | States and political subdivisions | Fair value hierarchy Level 3    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 94.5 94.8
Recurring Fair Value Measurements | Corporate debt securities    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 42,411.8 45,944.4
Recurring Fair Value Measurements | Corporate debt securities | Fair value hierarchy Level 1    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 35.0 41.5
Recurring Fair Value Measurements | Corporate debt securities | Fair value hierarchy Level 2    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 41,236.0 45,068.6
Recurring Fair Value Measurements | Corporate debt securities | Fair value hierarchy Level 3    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1,140.8 834.3
Recurring Fair Value Measurements | Residential mortgage-backed pass-through securities    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1,905.4 3,152.9
Recurring Fair Value Measurements | Residential mortgage-backed pass-through securities | Fair value hierarchy Level 2    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 1,905.4 3,152.9
Recurring Fair Value Measurements | Commercial mortgage-backed securities    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 5,423.2 5,562.2
Recurring Fair Value Measurements | Commercial mortgage-backed securities | Fair value hierarchy Level 2    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 5,405.1 5,543.0
Recurring Fair Value Measurements | Commercial mortgage-backed securities | Fair value hierarchy Level 3    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 18.1 19.2
Recurring Fair Value Measurements | Collateralized debt obligations    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 3,888.6 3,559.6
Recurring Fair Value Measurements | Collateralized debt obligations | Fair value hierarchy Level 2    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 3,831.6 3,473.8
Recurring Fair Value Measurements | Collateralized debt obligations | Fair value hierarchy Level 3    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 57.0 85.8
Recurring Fair Value Measurements | Other debt obligations    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 6,779.0 7,560.4
Recurring Fair Value Measurements | Other debt obligations | Fair value hierarchy Level 2    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale 6,757.8 7,518.3
Recurring Fair Value Measurements | Other debt obligations | Fair value hierarchy Level 3    
Assets (liabilities) measured at fair value on a recurring basis    
Fixed maturities, available-for-sale $ 21.2 $ 42.1