Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Assets
Amortized cost of fixed maturity securities	$ 297,655	$ 286,816
Contractholder-directed equity securities and fair value option securities relating to variable interest entities	13,102	12,616
Mortgage loans valuation allowances	353	342
Loans Receivable Held-for-sale, Amount	59	0
Mortgage Loans on Real Estate, Commercial and Consumer, Net	80,529	75,752
Real estate held-for-sale	127	0
Other invested assets relating to variable interest entities	19,015	18,190
Other Invested Assets - Leveraged and Direct Financing Leases	2,299	2,300
Cash and cash equivalents relating to variable interest entities	16,598	15,821
Premiums, reinsurance and other receivables relating to variable interest entities	20,443	19,644
Other assets relating to variable interest entities	10,518	8,408
Liabilities
Long-term debt, at estimated fair value, relating to variable interest entities	13,466	12,829
Other liabilities relating to variable interest entities	$ 24,179	$ 22,964
MetLife, Inc.’s stockholders’ equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred Stock, aggregate liquidation preference	$ 3,405	$ 3,405
Common stock, par value	$ 0.01	$ 0.01
Common Stock, shares authorized	3,000,000,000	3,000,000,000
Common stock, shares issued	1,177,680,299	1,171,824,242
Common stock, shares outstanding	915,338,098	958,613,542
Treasury stock, shares	262,342,201	213,210,700
Residential mortgage loans - FVO
Assets
Mortgage Loans on Real Estate, Commercial and Consumer, Net	$ 188	$ 299
Variable interest entities
Assets
Contractholder-directed equity securities and fair value option securities relating to variable interest entities	3	4
Other invested assets relating to variable interest entities	290	141
Cash and cash equivalents relating to variable interest entities	12	52
Premiums, reinsurance and other receivables relating to variable interest entities	4	3
Other assets relating to variable interest entities	2	2
Liabilities
Long-term debt, at estimated fair value, relating to variable interest entities	5	5
Other liabilities relating to variable interest entities	$ 1	$ 1