CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Fixed Maturity Securities [Abstract]
Available-for-sale at fair value (amortized cost of $49,548 and $46,753; allowance for credit losses of $20 at December 31, 2020)	$ 56,735	$ 51,121
Equity Securities, FV-NI	132	320
Mortgage loans on real estate (net of allowances of $64 and $12)	5,787	5,706
Policy loans	1,258	1,319
Funds withheld at interest	5,432	5,662
Short-term investments	227	64
Other invested assets	2,829	2,363
Total investments	72,400	66,555
Cash and cash equivalents	3,408	1,449
Accrued investment income	511	493
Premiums receivable and other reinsurance balances	2,842	2,940
Reinsurance ceded receivables	983	904
Deferred policy acquisition costs	3,616	3,512
Other assets	896	878
Total assets	84,656	76,731
Liabilities and Stockholders’ Equity
Future policy benefits	31,453	28,672
Interest-sensitive contract liabilities	23,276	22,711
Other policy claims and benefits	6,413	5,711
Other reinsurance balances	598	557
Deferred income taxes	3,263	2,712
Other liabilities	1,340	1,188
Long-term debt	3,573	2,981
Collateral finance and securitization notes	388	598
Total liabilities	70,304	65,130
Commitments and contingent liabilities (See Note 12)
Stockholders Equity:
Preferred stock (par value $.01 per share; 10,000,000 shares authorized; no shares issued or outstanding)	0	0
Common stock (par value $0.01 per share; 140,000,000 shares authorized; shares issued: 85,310,598 at December 31, 2020 and 79,137,758 at December 31, 2019)	1	1
Additional paid-in-capital	2,406	1,937
Retained earnings	8,148	7,952
Treasury stock, at cost – 17,353,697 and 16,481,656 shares	(1,562)	(1,426)
Accumulated other comprehensive income	5,359	3,137
Total stockholders’ equity	14,352	11,601
Total liabilities and stockholders’ equity	$ 84,656	$ 76,731