MetLife, Inc. Notes to the Consolidated Financial Statements — (Continued) (1) Includes non-qualified unfunded plans, for which the aggregate projected benefit obligation was $1.1 billion and $997 million at December 31, 2012 and 2011, respectively. The aggregate pension accumulated benefit obligation and aggregate fair value of plan assets for pension benefit plans with accumulated benefit obligations in excess of plan assets was as follows: MetLife, Inc. 182 Pension Benefits U.S. Plans Non-U.S. Plans December 31, 2012 2011 2012 2011 (In millions) Projected benefit obligations ..................................................................... $1,323 $ 1,164 $ 690 $ 708 Accumulated benefit obligations .................................................................. $1,166 $ 1,045 $ 651 $ 644 Fair value of plan assets ......................................................................... $ 157 $ 131 $144 $121 Pension Benefits Other Postretirement Benefits U.S. Plans (1) Non-U.S. Plans U.S. Plans Non-U.S. Plans December 31, 2012 2011 2012 2011 2012 2011 2012 2011 (In millions) Change in benefit obligations: Benefit obligations at January 1, ................................. $8,327 $ 7,043 $ 773 $ 676 $ 2,093 $1,808 $ 39 $ 37 Service costs .............................................. 224 187 75 64 21 16 1 1 Interest costs .............................................. 406 404 17 16 103 106 2 2 Plan participants’ contributions ................................ — — — — 29 28 — — Net actuarial (gains) losses ................................... 999 1,072 32 24 261 267 4 2 Acquisition, divestitures and curtailments ........................ — — (12) (5) — — (3) 1 Change in benefits ......................................... — 17 (1) — — — — — Benefits paid .............................................. (476) (396) (41) (30) (132) (132) (2) (4) Transfers ................................................. — — — (13) — — — — Effect of foreign currency translation and other .................... — — (20) 41 — — 2 — Benefit obligations at December 31, .............................. 9,480 8,327 823 773 2,375 2,093 43 39 Change in plan assets: Fair value of plan assets at January 1, ............................ 7,108 6,310 185 178 1,240 1,185 13 15 Actual return on plan assets .................................. 740 944 20 (4) 105 80 2 (1) Acquisition and divestitures ................................... — — (11) (4) — — (3) — Plan participants’ contributions ................................ — — — — 29 28 — — Employer contributions ...................................... 507 250 74 55 78 79 4 1 Benefits paid .............................................. (476) (396) (41) (30) (132) (132) (2) (2) Transfers ................................................. — — — (13) — — — — Effect of foreign currency translation ............................ — — (3) 3 — — 1 — Fair value of plan assets at December 31, ......................... 7,879 7,108 224 185 1,320 1,240 15 13 Over (under) funded status at December 31, $(1,601) $(1,219) $(599) $(588) $(1,055) $ (853) $ (28) $ (26) Amounts recognized in the consolidated balance sheets consist of: Other assets .............................................. $ — $ — $ 6 $ 3 $ — $ — $ — $ — Other liabilities ............................................. (1,601) (1,219) (605) (591) (1,055) (853) (28) (26) Net amount recognized .................................... $(1,601) $(1,219) $(599) $(588) $(1,055) $ (853) $ (28) $ (26) Accumulated other comprehensive (income) loss: Net actuarial (gains) losses ................................... $3,047 $ 2,498 $ 27 $ 10 $ 799 $ 623 $ 3 $ 2 Prior service costs (credit) .................................... 24 30 2 2 (74) (179) 1 1 Accumulated other comprehensive (income) loss, before income tax .............................................. $3,071 $ 2,528 $ 29 $ 12 $ 725 $ 444 $ 4 $ 3 Accumulated Benefit Obligation ............................. $ 8,866 $ 7,849 $ 724 $ 658 N/A N/A N/A N/A Obligations and Funded Status