v3.25.2
Income Taxes - Effective Income Tax Rate In Percentage (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Reconciliation between the U.S. corporate income tax rate and the effective income tax rate        
Income (loss) before income taxes $ 503.1 $ 443.9 $ 532.0 $ 1,071.0
Expected tax at the U.S. statutory rate 105.6 93.2 111.7 224.9
Tax credits (22.6) (18.7) (52.2) (34.9)
Dividends received deduction (19.8) (18.3) (38.0) (37.7)
Interest exclusion from taxable income (5.7) (6.1) (10.9) (11.9)
Impact of equity method presentation (5.1) (6.4) (10.8) (11.1)
Impact of noncontrolling interest presentation (5.7) (0.8) (8.8) (0.7)
Changes in unrecognized tax benefits - Tax Cuts and Jobs Act of 2017 rate change (5.4)   (5.4)  
Low income housing tax credit amortization 12.2 10.4 24.4 21.0
Foreign country statutory rate differential 3.4 (0.8) 13.0 (3.2)
State income taxes 9.8 17.4 11.7 22.1
Valuation allowance 0.7 13.9 1.3 15.4
Other 2.2 3.3 (0.4) (1.7)
Income taxes (benefits) $ 69.6 $ 87.1 $ 35.6 $ 182.2
Effective income tax rate (as a percent) 14.00% 20.00% 7.00% 17.00%