CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues
Net premiums	$ 13,078.0	$ 12,513.0	$ 11,694.0
Net investment income	3,161.0	3,138.0	2,575.0
Investment related gains (losses), net	(506.0)	560.0	(33.0)
Other revenues	525.0	447.0	360.0
Total revenues	16,258.0	16,658.0	14,596.0
Benefits and expenses
Claims and other policy benefits	12,046.0	12,776.0	11,075.0
Interest credited	682.0	700.0	704.0
Policy acquisition costs and other insurance expenses	1,499.0	1,416.0	1,261.0
Other operating expenses	1,009.0	936.0	816.0
Interest expense	184.0	127.0	170.0
Collateral finance and securitization expense	7.0	12.0	17.0
Total benefits and expenses	15,427.0	15,967.0	14,043.0
Income before income taxes	831.0	691.0	553.0
Provision for income taxes	204.0	74.0	138.0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	627.0	617.0	415.0
Net Income (Loss) Attributable to Noncontrolling Interest	4.0	0.0	0.0
Net Income (Loss) Attributable to Parent, Total	$ 623.0	$ 617.0	$ 415.0
Earnings per share
Basic earnings per share (in dollars per share)	$ 9.31	$ 9.10	$ 6.35
Diluted earnings per share (in dollars per share)	$ 9.21	$ 9.04	$ 6.31