Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Investments:
Fixed maturity securities available-for-sale, at estimated fair value (amortized cost: $302,624 and $297,655, respectively; allowance for credit loss of $187 and $0, respectively)	$ 326,685	$ 327,820
Equity securities, at estimated fair value	1,050	1,342
Contractholder-directed equity securities and fair value option securities, at estimated fair value (includes $3 and $3, respectively, relating to variable interest entities)	11,145	13,102
Mortgage loans (net of allowance for credit loss of $464 and $353, respectively; includes $180 and $188, respectively, under the fair value option and $0 and $59, respectively, of mortgage loans held-for-sale)	81,344	80,529
Policy loans	9,638	9,680
Real estate and real estate joint ventures (includes $144 and $127, respectively, under the fair value option)	11,250	10,741
Other limited partnership interests	8,230	7,716
Short-term investments, principally at estimated fair value	5,930	3,850
Other invested assets (includes $2,019 and $2,299, respectively, of leveraged and direct financing leases and $301 and $290, respectively, relating to variable interest entities)	27,839	19,015
Total investments	483,111	473,795
Cash and cash equivalents, principally at estimated fair value (includes $12 and $12, respectively, relating to variable interest entities)	24,094	16,598
Accrued investment income	3,828	3,523
Premiums, reinsurance and other receivables (includes $2 and $4, respectively, relating to variable interest entities)	21,224	20,443
Deferred policy acquisition costs and value of business acquired	17,254	17,833
Goodwill	9,159	9,308
Other assets (includes $2 and $2, respectively, relating to variable interest entities)	10,617	10,518
Separate account assets	168,454	188,445
Total assets	737,741	740,463
Liabilities
Future policy benefits	193,106	194,909
Policyholder account balances	193,875	192,627
Other policy-related balances	16,755	17,171
Policyholder dividends payable	654	681
Policyholder dividend obligation	1,677	2,020
Payables for collateral under securities loaned and other transactions	35,530	26,745
Short-term debt	298	235
Long-term debt (includes $5 and $5, respectively, at estimated fair value, relating to variable interest entities)	14,510	13,466
Collateral financing arrangement	981	993
Junior subordinated debt securities	3,151	3,150
Current income tax payable	708	363
Deferred income tax liability	10,009	9,097
Other liabilities (includes $1 and $1, respectively, relating to variable interest entities)	27,570	24,179
Separate account liabilities	168,454	188,445
Total liabilities	667,278	674,081
Contingencies, Commitments and Guarantees (Note 15)
MetLife, Inc.’s stockholders’ equity:
Preferred stock, par value $0.01 per share; $4,405 and $3,405, respectively, aggregate liquidation preference	0	0
Common stock, par value $0.01 per share; 3,000,000,000 shares authorized; 1,180,575,685 and 1,177,680,299 shares issued, respectively; 907,568,876 and 915,338,098 shares outstanding, respectively	12	12
Additional paid-in capital	33,711	32,680
Retained earnings	36,919	33,078
Treasury stock, at cost; 273,006,809 and 262,342,201 shares, respectively	(13,178)	(12,678)
Accumulated other comprehensive income (loss) (AOCI)	12,757	13,052
Total MetLife, Inc.’s stockholders’ equity	70,221	66,144
Noncontrolling interests	242	238
Total equity	70,463	66,382
Total liabilities and equity	$ 737,741	$ 740,463