Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments:
Fixed maturity available-for-sale securities, at fair value (amortized cost: 2022 - $110,944; 2021 - $104,491; allowance for credit losses: 2022 - $21; 2021 - $19)	$ 99,465	$ 97,391	$ 102,954	$ 109,889	$ 117,476	$ 120,794	$ 120,452	$ 115,695
Trading securities	3,446	3,527	3,760	4,313	4,405	4,114	4,154	4,287
Equity securities	427	427	412	393	371	260	191	142
Mortgage loans on real estate, net of allowance for credit losses (portion at fair value: 2022 - $487; 2021 - $739)	18,211	17,975	17,830	17,795	17,893	17,633	17,487	17,159
Policy loans	2,345	2,333	2,355	2,325	2,349	2,364	2,395	2,487
Derivative investments	3,519	3,398	3,167	4,574	5,697	5,075	4,729	3,482
Other investments	3,577	3,620	3,782	3,521	3,445	3,302	3,221	3,023
Total investments	130,990	128,671	134,260	142,810	151,636	153,542	152,629	146,275
Cash and invested cash	2,499	1,291	1,277	1,722	2,331	2,194	1,914	1,086	$ 1,462	$ 1,879
Deferred acquisition costs and value of business acquired	13,615	13,765	11,832	8,689	5,986	5,918	6,207	7,606	5,824
Accrued investment income	1,234	1,238	1,196	1,209	1,157	1,251	1,215	1,255
Reinsurance recoverables, net of allowance for credit losses	23,910	24,256	23,554	22,870	22,755	18,207	18,257	18,583
Goodwill	1,144	1,144	1,778	1,778	1,778	1,778	1,778	1,778	1,778
Other assets	21,338	21,560	20,447	22,284	23,292	22,941	22,871	21,930
Separate account assets	143,536	137,295	145,791	168,879	182,583	175,667	178,795	171,339
Total assets	338,266	329,220	340,135	370,241	391,518	381,498	383,666	369,852
Liabilities
Future contract benefits	41,598	41,162	38,735	39,186	40,416	40,016	39,621	38,941
Other contract holder funds	120,360	117,756	114,652	112,399	111,183	108,765	108,249	106,461
Short-term debt	562	771	698	737	1,084	483	457	568
Long-term debt	2,269	2,267	2,267	2,311	2,334	2,333	2,332	2,332
Payables for collateral on investments	6,638	6,855	7,525	8,905	8,936	8,378	8,192	7,593
Other liabilities	15,037	16,635	17,378	19,524	22,122	22,308	21,934	20,415
Separate account liabilities	143,536	137,295	145,791	168,879	182,583	175,667	178,795	171,339
Total liabilities	330,000	322,741	327,046	351,941	368,658	357,950	359,580	347,649
Contingencies and Commitments (See Note 13)
Stockholder’s Equity
Common stock – 10,000,000 shares authorized, issued and outstanding	12,903	12,114	12,020	11,948	11,950	11,940	11,930	11,919
Retained earnings	2,436	2,398	4,962	4,799	4,366	4,664	4,595	4,444
Accumulated other comprehensive income (loss)	(7,073)	(8,033)	(3,893)	1,553	6,544	6,944	7,561	5,840
Total stockholder’s equity	8,266	6,479	13,089	18,300	22,860	23,548	24,086	22,203	$ 25,041
Total liabilities and stockholder’s equity	$ 338,266	$ 329,220	$ 340,135	$ 370,241	$ 391,518	$ 381,498	$ 383,666	$ 369,852