UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2023
Net modified coinsurance receivable/payable, at fair value	$ (601)	$ (442)
Ceded Business
Novations, investments	811	343
Net modified coinsurance receivable/payable, at fair value	$ (811)	$ (343)

Net modified coinsurance payable, Increase (Decrease)

No definition available.

Name:	fliac_NetModifiedCoinsurancePayableIncreaseDecrease
Namespace Prefix:	fliac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration