MetLife, Inc. Notes to the Consolidated Financial Statements — (Continued) The table below summarizes the actual weighted average allocation of the fair value of total plan assets by asset class at December 31 for the years indicated and the approved target allocation by major asset class at December 31, 2012 for the Invested Plans: (1) Fixed maturity securities include ABS, collateralized mortgage obligations, corporate, federal agency, foreign bonds, mortgage-backed securities, municipals, preferred stocks and U.S. government bonds. Certain prior year amounts have been reclassified from alternative securities into fixed maturity securities to conform to the current year presentation. (2) Equity securities primarily include common stock of U.S. companies. 187 MetLife, Inc. December 31, 2012 Pension Benefits Other Postretirement Benefits Fair Value Hierarchy Fair Value Hierarchy Level 1 Level 2 Level 3 Total Estimated Fair Value Level 1 Level 2 Level 3 Total Estimated Fair Value (In millions) Assets: Fixed maturity securities: Corporate .............................................. $ — $2,260 $ 19 $2,279 $ — $165 $ 4 $ 169 U.S. government bonds ................................... 1,153 160 — 1,313 175 3 — 178 Foreign bonds ........................................... — 761 8 769 — 51 — 51 Federal agencies ......................................... 1 335 — 336 — 26 — 26 Municipals .............................................. — 258 — 258 — 70 1 71 Other (1) ............................................... — 490 7 497 — 55 3 58 Total fixed maturity securities .............................. 1,154 4,264 34 5,452 175 370 8 553 Equity securities: Common stock - domestic ................................. 1,092 38 137 1,267 249 1 — 250 Common stock - foreign ................................... 362 — — 362 83 — — 83 Total equity securities ................................... 1,454 38 137 1,629 332 1 — 333 Other investments .......................................... — 117 447 564 — — — — Short-term investments ...................................... — 214 — 214 — 432 — 432 Money market securities ..................................... 2 10 — 12 1 — — 1 Derivative assets ........................................... — 7 1 8 — 1 — 1 Total assets ......................................... $2,610 $4,650 $619 $7,879 $508 $804 $ 8 $1,320 Pension Postretirement Medical Postretirement Life Target Actual Allocation Target Actual Allocation Target Actual Allocation 2012 2011 2012 2011 2012 2011 Asset Class: Fixed maturity securities (1) ................ 75% 69% 59% 70% 63% 62% 0% —% —% Equity securities (2) ...................... 12% 21% 24% 30% 37% 37% 0% —% —% Alternative securities (3) ................... 13% 10% 17% 0% —% 1% 100% 100% 100% Total assets .......................... 100% 100% 100% 100% 100% 100% (3) Alternative securities primarily include derivative assets, money market securities, short-term investments, and other investments. Postretirement life’s target and actual allocation of plan assets are all in short-term investments. The pension and postretirement plan assets measured at estimated fair value on a recurring basis were determined as described in “— Plan Assets.” These estimated fair values and their corresponding placement in the fair value hierarchy are summarized as follows: