Basis of Presentation and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Accounting Standards Update and Change in Accounting Principle [Table]

Impact of Adoption on Reserve for Future Policy Benefits
	Payout Annuities		Life Conversions		Paid-up Life		Deferred Profit Liability		Other		Total
Reserve for Future Policy Benefits as of December 31, 2020	$	189	$	94	$	267	$	—	$	88	$	638
Adjustments:
Removal of shadow reserve [1]	(26)		—		—		—		—		(26)
Update cash flow assumptions and establish deferred profit liability	(16)		—		(2)		18		—		—
Effect of measurement at current single-A rate [1]	59		21		29		—		2		111
Total Adjustments	17		21		27		18		2		85
Reserve for Future Policy Benefits as of January 1, 2021	206		115		294		18		90		723
Change in reserves due to changes in the single-A rate	(11)		(7)		(15)		—		—		(33)
Other changes in reserves	(7)		(14)		(17)		2		(8)		(44)
Reserve for Future Policy Benefits as of December 31, 2021	$	188	$	94	$	262	$	20	$	82	$	646

[1]These changes were reflected as an adjustment to opening AOCI as of January 1, 2021, with a corresponding deferred tax benefit and increase in reinsurance recoverables of $18 and $2, respectively, resulting in a net decrease to AOCI of $65.

Impact of Adoption on Consolidated Balance Sheets
	As of December 31, 2022						As of December 31, 2021						As of January 1, 2021
	As previously reported		Effect of change		As currently reported		As previously reported		Effect of change		As currently reported		Balance prior to adoption		Effect of change		As currently reported
Reinsurance recoverables	$	6,966	$	(2)	$	6,964	$	6,523	$	1	$	6,524	$	6,011	$	2	$	6,013
Deferred income taxes, net	$	1,449	$	(12)	$	1,437	$	270	$	11	$	281	$	46	$	18	$	64
Reserve for future policy benefits	$	561	$	(59)	$	502	$	596	$	50	$	646	$	638	$	85	$	723
Retained earnings	$	17,048	$	10	$	17,058	$	15,764	$	6	$	15,770	$	13,918	$	—	$	13,918
AOCI	$	(3,876)	$	35	$	(3,841)	$	172	$	(44)	$	128	$	1,170	$	(65)	$	1,105
Total stockholders' equity	$	13,631	$	45	$	13,676	$	17,843	$	(38)	$	17,805	$	18,556	$	(65)	$	18,491

Impact of Adoption on Consolidated Statements of Operations
	Year Ended December 31, 2022						Year Ended December 31, 2021
	As previously reported		Effect of change		As currently reported		As previously reported		Effect of change		As currently reported
Benefits, losses and loss adjustment expenses	$	13,142	$	(4)	$	13,138	$	12,729	$	(9)	$	12,720
Income before income taxes	$	2,258	$	4	$	2,262	$	2,896	$	9	$	2,905
Income tax expense	$	443	$	—	$	443	$	531	$	3	$	534
Net income	$	1,815	$	4	$	1,819	$	2,365	$	6	$	2,371
Net income available to common stockholders	$	1,794	$	4	$	1,798	$	2,344	$	6	$	2,350
Net income available to common stockholders per common share
Basic	$	5.52	$	0.02	$	5.54	$	6.71	$	0.02	$	6.73
Diluted	$	5.44	$	0.02	$	5.46	$	6.62	$	0.02	$	6.64

Impact of Adoption on Consolidated Statements of Comprehensive Income
	Year Ended December 31, 2022						Year Ended December 31, 2021
	As previously reported		Effect of change		As currently reported		As previously reported		Effect of change		As currently reported
Change in net unrealized gain (loss) on fixed maturities, AFS	$	(4,210)	$	(15)	$	(4,225)	$	(1,218)	$	(6)	$	(1,224)
Change in liability for future policy benefits adjustments	$	—	$	94	$	94	$	—	$	27	$	27
Other comprehensive loss, net of tax	$	(4,048)	$	79	$	(3,969)	$	(998)	$	21	$	(977)
Comprehensive income (loss)	$	(2,233)	$	83	$	(2,150)	$	1,367	$	27	$	1,394