Accumulation Units (Tables)

9 Months Ended

Sep. 30, 2024

Accumulated Units Disclosure [Abstract]

Schedule of Changes in the Number of Accumulation Units Outstanding

Changes in the number of Accumulation Units outstanding were as follows (in millions):

	For the Nine Months Ended September 30, 2024	For the Year Ended December 31, 2023
Outstanding:
Beginning of period	48.0	52.1
Credited for premiums	4.6	4.1
Credited for purchase of liquidity units by TIAA	0.6	1.3
Annuity, other periodic payments, withdrawals and death benefits	(5.4)	(9.5)
End of period	47.8	48.0