Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues
Premiums	$ 9,132	$ 8,736	$ 19,459	$ 18,202
Universal life and investment-type product policy fees	1,422	1,299	2,813	2,730
Net investment income	5,280	4,087	10,594	7,148
Other revenues	664	456	1,295	895
Net investment gains (losses)	1,605	231	1,739	(57)
Net derivative gains (losses)	421	(710)	(1,814)	3,491
Total revenues	18,524	14,099	34,086	32,409
Expenses
Policyholder benefits and claims	9,405	8,667	19,928	17,689
Interest credited to policyholder account balances	1,515	1,962	2,866	2,042
Policyholder dividends	236	290	483	582
Other expenses	2,881	2,983	6,031	6,256
Total expenses	14,037	13,902	29,308	26,569
Income (loss) before provision for income tax	4,487	197	4,778	5,840
Provision for income tax expense (benefit)	1,075	47	1,003	1,289
Net income (loss)	3,412	150	3,775	4,551
Less: Net income (loss) attributable to noncontrolling interests	5	5	10	8
Net income (loss) attributable to MetLife, Inc.	3,407	145	3,765	4,543
Less: Preferred stock dividends	35	77	103	109
Preferred stock redemption premium	6	0	6	0
Net income (loss) available to MetLife, Inc.’s common shareholders	3,366	68	3,656	4,434
Comprehensive income (loss)	5,325	5,957	(1,987)	10,064
Less: Comprehensive income (loss) attributable to noncontrolling interests, net of income tax	6	6	11	10
Comprehensive income (loss) attributable to MetLife, Inc.	$ 5,319	$ 5,951	$ (1,998)	$ 10,054
Net income (loss) available to MetLife, Inc.’s common shareholders per common share:
Basic	$ 3.85	$ 0.07	$ 4.16	$ 4.86
Diluted	$ 3.83	$ 0.07	$ 4.13	$ 4.84