Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues
Premiums	$ 42,034	$ 42,235	$ 43,840
Universal life and investment-type product policy fees	5,603	5,603	5,502
Net investment income	17,117	18,868	16,166
Other revenues	1,849	1,842	1,880
Net investment gains (losses)	(110)	444	(298)
Net derivative gains (losses)	1,349	628	851
Total revenues	67,842	69,620	67,941
Expenses
Policyholder benefits and claims	41,461	41,461	42,656
Interest credited to policyholder account balances	5,214	6,464	4,013
Policyholder dividends	1,090	1,211	1,251
Other expenses	13,150	13,689	13,714
Total expenses	60,915	62,825	61,634
Income (loss) before provision for income tax	6,927	6,795	6,307
Provision for income tax expense (benefit)	1,509	886	1,179
Net income (loss)	5,418	5,909	5,128
Less: Net income (loss) attributable to noncontrolling interests	11	10	5
Net income (loss) attributable to MetLife, Inc.	5,407	5,899	5,123
Less: Preferred stock dividends	202	178	141
Preferred stock redemption premium	14	0	0
Net income (loss) available to MetLife, Inc.’s common shareholders	$ 5,191	$ 5,721	$ 4,982
Net income (loss) available to MetLife, Inc.’s common shareholders per common share:
Basic	$ 5.72	$ 6.10	$ 4.95
Diluted	$ 5.68	$ 6.06	$ 4.91