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 - $111,707; 2021 - $105,142; allowance for credit losses: 2022 - $22; 2021 - $19)	$ 99,736	$ 97,572	$ 103,317	$ 110,663	$ 118,711	$ 122,085	$ 122,215	$ 117,313
Trading securities	3,498	3,580	3,803	4,364	4,460	4,170	4,211	4,344
Equity securities	427	427	411	399	375	264	195	144
Mortgage loans on real estate, net of allowance for credit losses (portion at fair value: 2022 - $487; 2021 - $739)	18,301	18,066	17,922	17,892	17,991	17,730	17,586	17,255
Policy loans	2,359	2,347	2,368	2,339	2,364	2,379	2,410	2,502
Derivative investments	3,594	3,455	3,167	4,573	5,697	5,075	4,730	3,482
Other investments	3,739	3,813	4,078	4,122	4,288	4,066	3,948	3,547
Total investments	131,654	129,260	135,066	144,352	153,886	155,769	155,295	148,587
Cash and invested cash	3,343	1,472	1,567	1,960	2,612	2,614	2,389	1,350	$ 1,708	$ 2,563
Deferred acquisition costs and value of business acquired	13,588	13,684	11,872	8,811	6,083	5,966	6,261	7,665	5,812
Accrued investment income	1,253	1,283	1,226	1,247	1,189	1,297	1,254	1,301
Reinsurance recoverables, net of allowance for credit losses	19,882	20,045	19,909	20,044	20,295	15,729	15,981	16,289
Goodwill	1,144	1,144	1,778	1,778	1,778	1,778	1,778	1,778
Other assets	20,708	19,991	18,137	18,467	18,519	18,076	18,125	18,264
Separate account assets	143,536	137,295	145,791	168,879	182,583	175,667	178,795	171,339
Total assets	335,108	324,174	335,346	365,538	386,945	376,896	379,878	366,573
Liabilities
Future contract benefits	42,151	41,716	39,309	39,776	41,030	40,641	40,251	39,592
Other contract holder funds	120,800	118,201	115,145	112,913	111,710	109,300	108,778	107,002
Short-term debt	500	500			300	300	300	300
Long-term debt	5,955	5,959	6,498	6,561	6,325	6,323	6,334	6,294
Payables for collateral on investments	6,712	6,865	7,524	8,927	8,946	8,379	8,199	7,597
Other liabilities	10,885	10,970	11,425	13,298	15,297	15,121	15,479	14,862
Separate account liabilities	143,536	137,295	145,791	168,879	182,583	175,667	178,795	171,339
Total liabilities	330,539	321,506	325,692	350,354	366,191	355,731	358,136	346,986
Contingencies and Commitments (See Note 13)
Stockholders' Equity
Preferred stock - 10,000,000 shares authorized
Common stock – 800,000,000 shares authorized; 169,220,511 and 177,193,515 shares issued and outstanding as of December 31, 2022, and December 31, 2021, respectively	4,544	4,534	4,546	4,586	4,735	4,956	5,021	5,057
Retained earnings	6,707	6,762	9,445	9,346	9,578	9,360	9,242	8,769
Accumulated other comprehensive income (loss)	(7,668)	(8,628)	(4,337)	1,252	6,441	6,849	7,479	5,761
Total stockholders' equity	4,569	2,668	9,654	15,184	20,754	21,165	21,742	19,587	$ 22,699
Total liabilities and stockholders' equity	335,108	$ 324,174	$ 335,346	$ 365,538	$ 386,945	$ 376,896	$ 379,878	$ 366,573
Series C Preferred Stock [Member]
Stockholders' Equity
Preferred stock - 10,000,000 shares authorized	493
Series D Preferred Stock [Member]
Stockholders' Equity
Preferred stock - 10,000,000 shares authorized	$ 493