CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue
Premium Income	$ 9,623.4	$ 9,481.0	$ 9,378.1
Net Investment Income	2,122.2	2,213.2	2,360.7
Net Investment Gain (Loss)	(15.7)	76.7	1,199.1
Other Income	261.1	242.9	224.2
Total Revenue	11,991.0	12,013.8	13,162.1
Benefits and Expenses
Benefits and Change in Reserves for Future Benefits	6,936.7	7,598.6	8,972.9
Commissions	1,086.4	1,038.1	1,057.3
Interest and Debt Expense	188.5	185.0	188.2
Cost Related to Early Retirement of Debt	4.2	67.3	0.0
Deferral of Acquisition Costs	(556.9)	(508.1)	(576.2)
Amortization of Deferred Acquisition Costs	591.0	586.1	606.1
Compensation Expense	1,089.5	975.2	953.2
Other Expenses	1,020.2	1,008.6	996.6
Total Benefits and Expenses	10,359.6	10,950.8	12,198.1
Income Before Income Tax	1,631.4	1,063.0	964.0
Income Tax
Current	473.5	212.8	(116.6)
Deferred	(156.3)	26.0	287.6
Total Income Tax	317.2	238.8	171.0
Net Income	$ 1,314.2	$ 824.2	$ 793.0
Net Income Per Common Share
Basic	$ 6.55	$ 4.04	$ 3.89
Assuming Dilution	$ 6.50	$ 4.02	$ 3.89