Changes in and Reclassifications From Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2022

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Changes in AOCI, Net of Tax for the Year Ended December 31, 2022 (Successor Company)
	Changes in
	Net Unrealized Gain on Fixed Maturities, AFS		Net Gain on Cash Flow Hedging Instruments		AOCI
Beginning balance	$	(10)	$	—	$	(10)
OCI before reclassifications	(3,107)		(34)		(3,141)
Amounts reclassified from AOCI	412		—		412
OCI, before tax	(2,695)		(34)		(2,729)
Income tax benefit (expense)	566		7		573
OCI, net of tax	(2,129)		(27)		(2,156)
Ending balance	$	(2,139)	$	(27)	$	(2,166)

Changes in AOCI, Net of Tax for the Period of July 1, 2021 to December 31, 2021 (Successor Company)
	Changes in
	Net Unrealized Gain on Fixed Maturities, AFS		Net Gain on Cash Flow Hedging Instruments		AOCI
Beginning balance	$	—	$	—	$	—
OCI before reclassifications	(14)		—		(14)
Amounts reclassified from AOCI	2		—		2
OCI, before tax	(12)		—		(12)
Income tax benefit (expense)	2		—		2
OCI, net of tax	(10)		—		(10)
Ending balance	$	(10)	$	—	$	(10)

Changes in AOCI, Net of Tax for the Six Months Ended June 30, 2021 (Predecessor Company)
	Changes in
	Net Unrealized Gain on Fixed Maturities, AFS		Net Gain on Cash Flow Hedging Instruments		AOCI
Beginning balance	$	1,282	$	(1)	$	1,281
OCI before reclassifications	(301)		—		(301)
Amounts reclassified from AOCI	(47)		1		(46)
OCI, before tax	(348)		1		(347)
Income tax benefit (expense)	73		—		73
OCI, net of tax	(275)		1		(274)
Ending balance	$	1,007	$	—	$	1,007

Changes in AOCI, Net of Tax for the Year Ended December 31, 2020 (Predecessor Company)
	Changes in
	Net Unrealized Gain on Fixed Maturities, AFS		Unrealized Losses on Fixed Maturities, AFS for Which an ACL Has Been Recorded		Net Gain on Cash Flow Hedging Instruments		AOCI
Beginning balance	$	717	$	—	$	—	$	717
OCI before reclassifications	842		(1)		(1)		840
Amounts reclassified from AOCI	(127)		1		—		(126)
OCI, before tax	715		—		(1)		714
Income tax benefit (expense)	(150)		—		—		(150)
OCI, net of tax	565		—		(1)		564
Ending balance	$	1,282	$	—	$	(1)	$	1,281

Reclassification out of Accumulated Other Comprehensive Income

Reclassification from AOCI
	Successor Company				Predecessor Company
	For the Year Ended December 31, 2022		For the Period of July 1, 2021 to December 31, 2021		For the Six Months Ended June 30, 2021		For the Year Ended December 31, 2020		Affected Line Item on the Consolidated Statements of Operations
Net Unrealized Gain on Fixed Maturities
Available-for-sale securities	$	(412)	$	(2)	$	47	$	127	Net realized capital losses
	(412)		(2)		47		127		Income before income taxes
	(87)		—		10		27		Income tax expense
	$	(325)	$	(2)	$	37	$	100	Net income
Unrealized Losses on Fixed Maturities for Which an ACL Has Been Recorded
Fixed maturities, AFS	$	—	$	—	$	—	$	(1)	Net realized capital losses
	—		—		—		(1)		Income before income taxes
	—		—		—		—		Income tax expense
	$	—	$	—	$	—	$	(1)	Net income
Net Gains on Cash-Flow Hedging Instruments
Interest rate swaps	$	—	$	—	$	—	$	—	Net realized capital losses
Interest rate swaps	—		—		—		—		Net investment income
Foreign currency swaps	—		—		(1)		—		Net realized capital losses
	—		—		(1)		—		Income before income taxes
	—		—		—		—		Income tax expense
	$	—	$	—	$	(1)	$	—	Net income
Total amounts reclassified from AOCI	$	(325)	$	(2)	$	36	$	99	Net income