Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Investments:
Fixed maturity securities available-for-sale, at estimated fair value (net of allowance for credit loss of $184 and $183, respectively); and amortized cost: $300,555 and $306,025, respectively	$ 281,412	$ 276,780
Equity securities, at estimated fair value	757	1,684
Contractholder-directed equity securities and fair value option securities, at estimated fair value	10,331	9,668
Mortgage loans (net of allowance for credit loss of $721 and $527, respectively)	92,506	83,763
Policy loans	8,788	8,874
Real estate and real estate joint ventures (includes $317 and $299, respectively, under the fair value option)	13,332	13,137
Other limited partnership interests	14,764	14,414
Short-term investments, principally at estimated fair value	6,045	4,935
Other invested assets (net of allowance for credit loss of $23 and $26, respectively; includes $1,993 and $1,926, respectively, of leveraged and direct financing leases; $333 and $326, respectively, relating to variable interest entities)	18,202	20,038
Total investments	446,137	433,293
Cash and cash equivalents, principally at estimated fair value	20,639	20,195
Accrued investment income	3,589	3,446
Premiums, reinsurance and other receivables	28,971	17,364
Market risk benefits, at estimated fair value	286	280
Deferred policy acquisition costs and value of business acquired	20,151	19,653
Current income tax recoverable	190	42
Deferred income tax asset	2,612	2,439
Goodwill	9,236	9,297
Other assets	11,139	11,025
Separate account assets	144,634	146,038
Total assets	687,584	663,072
Liabilities
Future policy benefits	196,406	187,222
Policyholder account balances	219,269	210,597
Market risk benefits, at estimated fair value	3,179	3,763
Other policy-related balances	19,736	18,424
Policyholder dividends payable	386	387
Payables for collateral under securities loaned and other transactions	17,524	20,937
Short-term debt	119	175
Long-term debt	15,548	14,647
Collateral financing arrangement	637	716
Junior subordinated debt securities	3,161	3,158
Deferred income tax liability	927	950
Other liabilities	35,805	25,933
Separate account liabilities	144,634	146,038
Total liabilities	657,331	632,947
Contingencies, Commitments and Guarantees (Note 24)
MetLife, Inc.’s stockholders’ equity:
Preferred stock, par value $0.01 per share; $3,905 aggregate liquidation preference	0	0
Common stock, par value $0.01 per share; 3,000,000,000 shares authorized; 1,191,823,651 and 1,189,831,471 shares issued, respectively; 730,821,111 and 779,098,414 shares outstanding, respectively	12	12
Additional paid-in capital	33,690	33,616
Retained earnings	40,146	40,332
Treasury stock, at cost; 461,002,540 and 410,733,057 shares, respectively	(24,591)	(21,458)
Accumulated other comprehensive income (loss)	(19,242)	(22,621)
Total MetLife, Inc.’s stockholders’ equity	30,015	29,881
Noncontrolling interests	238	244
Total equity	30,253	30,125
Total liabilities and equity	$ 687,584	$ 663,072