CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
FROM OPERATIONS
Investment income, net	$ 179.1	$ 152.6
Net realized gain on investments	41.5	2.3
Net change in unrealized gain on investments and loans payable	1,311.4	362.9
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS	1,532.0	517.8
FROM PARTICIPANT TRANSACTIONS
Premiums	808.4	688.1
Annuity payments	(12.5)	(12.0)
Withdrawals and death benefits	(628.9)	(665.7)
NET INCREASE IN NET ASSETS RESULTING FROM PARTICIPANT TRANSACTIONS	167.0	10.4
NET INCREASE IN NET ASSETS	1,699.0	528.2
NET ASSETS
Beginning of period	28,072.0	23,243.9
End of period	$ 29,771.0	$ 23,772.1