UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions	6 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2023
Net modified coinsurance receivable/payable, at fair value	$ (4,114)	$ (577)
Ceded Business
Novations, investments	4,116	491
Net modified coinsurance receivable/payable, at fair value	$ 4,116	$ 491

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