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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Assets |  |
Amortized Cost | $ 306,025 | $ 310,884
Amortized cost of fixed maturity securities valuation allowances | 183 | 91
Mortgage loans valuation allowances | 527 | 634
Residential mortgage loans — FVO | 83,763 | 79,353
Real estate and real estate joint ventures (includes $299 and $240, respectively, under the fair value option and $0 and $175, respectively, of real estate held-for-sale) | 13,137 | 12,216
Real Estate Held-for-sale | 0 | 175
Other Invested Assets - Leveraged and Direct Financing Leases | 1,926 | 1,930
Other invested assets, at estimated fair value | 20,038 | 18,655
Net Investment in Lease, Allowance for Credit Loss | $ 26 | $ 40
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 | 1,189,831,471 | 1,186,540,473
Common stock, shares outstanding | 779,098,414 | 825,540,267
Treasury stock, shares | 410,733,057 | 361,000,206
Residential mortgage loans - FVO |  |
Assets |  |
Residential mortgage loans — FVO | $ 0 | $ 127
Real estate and real estate joint venture [Member] |  |
Assets |  |
Real estate and real estate joint ventures (includes $299 and $240, respectively, under the fair value option and $0 and $175, respectively, of real estate held-for-sale) | 299 | 240
Variable interest entities |  |
Assets |  |
Other invested assets, at estimated fair value | $ 326 | $ 351

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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