Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Assets
Amortized cost of fixed maturity securities valuation allowances	$ 162	$ 184
Amortized Cost	309,406	300,555
Mortgage loans valuation allowances	847	721
Real estate and real estate joint ventures - FVO	13,731	13,332
Real Estate Held-for-sale	59	0
Other Invested Assets - Leveraged and Direct Financing Leases	1,949	1,993
Other invested assets, at estimated fair value (2)	19,706	18,202
Liabilities
Short-term Debt	404	119
Other liabilities (includes $25 and $0, respectively, relating to variable interest entities)	$ 38,162	$ 35,805
MetLife, Inc.’s stockholders’ equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, Liquidation Preference, Value	$ 3,905	$ 3,905
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	3,000,000,000	3,000,000,000
Common stock, shares issued	1,194,027,818	1,191,823,651
Common stock, shares outstanding	693,651,782	730,821,111
Treasury stock, shares	500,376,036	461,002,540
Residential mortgage loans - FVO
Assets
Real estate and real estate joint ventures - FVO	$ 380	$ 317
Variable interest entities
Assets
Real estate and real estate joint ventures - FVO	230	0
Other invested assets, at estimated fair value (2)	472	333
Liabilities
Short-term Debt	132	0
Other liabilities (includes $25 and $0, respectively, relating to variable interest entities)	$ 25	$ 0