Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Fixed Maturity Securities: U.S. Corporate Foreign Corporate Foreign Government U.S. Treasury and Agency RMBS CMBS ABS State and Political Subdivision Other (In millions) Year Ended December 31, 2010: Balance, January 1, ................$ 6,694 $ 5,244 $ 378 $ 37 $ 2,884 $ 139 $ 1,659 $ 69 $ 6 Total realized/unrealized gains (losses) included in: Net income (loss): (1), (2) Net investment income .......... 22 15 6 — 64 1 9 — 1 Net investment gains (losses) ..... (13) (34) (5) — (59) (6) (40) — — Net derivative gains (losses) ...... — — — — — — — — — Other revenues ................ — — — — — — — — — Policyholder benefits and claims . . . — — — — — — — — — Other expenses ............... — — — — — — — — — Other comprehensive income (loss) ........................ 277 318 (95) 2 305 89 168 (2) 2 Purchases, sales, issuances and settlements (3) .................. (415) 305 2,965 (6) (445) 684 1,435 9 (5) Transfers into Level 3 (4) ............. 898 502 40 46 91 132 28 — — Transfers out of Level 3 (4) ........... (314) (624) (155) — (299) (28) (233) (30) — Balance, December 31, .............$ 7,149 $ 5,726 $ 3,134 $ 79 $ 2,541 $ 1,011 $ 3,026 $ 46 $ 4 Changes in unrealized gains (losses) included in net income (loss): (5) Net investment income ..........$ 13 $ 15 $ 10 $ — $ 63 $ 1 $ 9 $ — $ 1 Net investment gains (losses) .....$ (44) $ (43) $ — $ — $ (29) $ (6) $ (23) $ — $ — Net derivative gains (losses) ......$ — $ — $ — $ — $ — $ — $ — $ — $ — Other revenues ................$ — $ — $ — $ — $ — $ — $ — $ — $ — Policyholder benefits and claims ...$ — $ — $ — $ — $ — $ — $ — $ — $ — Other expenses ...............$ — $ — $ — $ — $ — $ — $ — $ — $ — MetLife, Inc. Notes to the Consolidated Financial Statements — (Continued) 156 MetLife, Inc.