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Segment Information (Earnings) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenues |  |  |
Premiums | $ 49,397 | $ 42,009 | $ 42,034
Universal life and investment-type product policy fees | 5,585 | 5,756 | 5,603
Net investment income | 15,916 | 21,395 | 17,117
Other revenues | 2,634 | 2,619 | 1,849
Net investment gains (losses) | (1,262) | 1,529 | (110)
Net derivative gains (losses) | (2,372) | (2,228) | 1,349
Total revenues | 69,898 | 71,080 | 67,842
Expenses |  |  |
Policyholder benefits and claims and policyholder dividends | 51,313 | 44,830 | 42,551
Interest credited to policyholder account balances | 3,692 | 5,538 | 5,214
Capitalization of DAC | (2,558) | (2,718) | (3,013)
Amortization of DAC and VOBA | 1,931 | 2,555 | 3,160
Amortization of negative VOBA | (41) | (34) | (45)
Interest expense on debt | 938 | 920 | 913
Other expenses | 11,764 | 11,863 | 12,135
Total expenses | 67,039 | 62,954 | 60,915
Provision for income tax expense (benefit) | 301 | 1,551 | 1,509
Net income (loss) | 2,558 | 6,575 | 5,418
U.S. |  |  |
Expenses |  |  |
Amortization of DAC and VOBA | 59 | 158 | 471
Asia |  |  |
Expenses |  |  |
Amortization of DAC and VOBA | 1,042 | 1,404 | 1,468
Latin America |  |  |
Expenses |  |  |
Amortization of DAC and VOBA | 339 | 285 | 276
EMEA |  |  |
Expenses |  |  |
Amortization of DAC and VOBA | 340 | 382 | 452
MetLife Holdings |  |  |
Expenses |  |  |
Amortization of DAC and VOBA | 142 | 317 | 485
Corporate & Other |  |  |
Expenses |  |  |
Amortization of DAC and VOBA | 9 | 9 | 8
Operating Segments |  |  |
Revenues |  |  |
Premiums | 49,356 | 41,027 | 41,982
Universal life and investment-type product policy fees | 5,532 | 5,561 | 5,465
Net investment income | 18,189 | 21,280 | 17,328
Other revenues | 2,471 | 2,376 | 1,690
Net investment gains (losses) | 0 | 0 | 0
Net derivative gains (losses) | 0 | 0 | 0
Total revenues | 75,548 | 70,244 | 66,465
Expenses |  |  |
Policyholder benefits and claims and policyholder dividends | 51,366 | 43,651 | 41,859
Interest credited to policyholder account balances | 5,011 | 4,592 | 4,673
Capitalization of DAC | (2,547) | (2,599) | (3,008)
Amortization of DAC and VOBA | 2,037 | 2,336 | 2,994
Amortization of negative VOBA | (41) | (34) | (45)
Interest expense on debt | 938 | 919 | 913
Other expenses | 11,501 | 11,299 | 11,872
Total expenses | 68,265 | 60,164 | 59,258
Provision for income tax expense (benefit) | 1,553 | 1,931 | 1,382
Adjusted earnings | 5,730 | 8,149 | 5,825
Operating Segments | U.S. |  |  |
Revenues |  |  |
Premiums | 35,548 | 26,358 | 27,265
Universal life and investment-type product policy fees | 1,158 | 1,140 | 1,070
Net investment income | 7,340 | 8,048 | 6,903
Other revenues | 1,756 | 1,538 | 957
Net investment gains (losses) | 0 | 0 | 0
Net derivative gains (losses) | 0 | 0 | 0
Total revenues | 45,802 | 37,084 | 36,195
Expenses |  |  |
Policyholder benefits and claims and policyholder dividends | 36,273 | 27,957 | 26,309
Interest credited to policyholder account balances | 1,789 | 1,422 | 1,622
Capitalization of DAC | (77) | (65) | (453)
Amortization of DAC and VOBA | 59 | 60 | 471
Amortization of negative VOBA | 0 | 0 | 0
Interest expense on debt | 9 | 7 | 7
Other expenses | 3,962 | 3,632 | 4,162
Total expenses | 42,015 | 33,013 | 32,118
Provision for income tax expense (benefit) | 791 | 850 | 853
Adjusted earnings | 2,996 | 3,221 | 3,224
Operating Segments | Asia |  |  |
Revenues |  |  |
Premiums | 5,568 | 6,421 | 6,571
Universal life and investment-type product policy fees | 1,840 | 1,814 | 1,892
Net investment income | 3,909 | 5,052 | 3,938
Other revenues | 90 | 73 | 61
Net investment gains (losses) | 0 | 0 | 0
Net derivative gains (losses) | 0 | 0 | 0
Total revenues | 11,407 | 13,360 | 12,462
Expenses |  |  |
Policyholder benefits and claims and policyholder dividends | 4,752 | 5,008 | 5,213
Interest credited to policyholder account balances | 2,003 | 1,995 | 1,834
Capitalization of DAC | (1,524) | (1,607) | (1,652)
Amortization of DAC and VOBA | 1,105 | 1,369 | 1,415
Amortization of negative VOBA | (36) | (27) | (37)
Interest expense on debt | 0 | 0 | 0
Other expenses | 3,153 | 3,388 | 3,481
Total expenses | 9,453 | 10,126 | 10,254
Provision for income tax expense (benefit) | 576 | 936 | 643
Adjusted earnings | 1,378 | 2,298 | 1,565
Operating Segments | Latin America |  |  |
Revenues |  |  |
Premiums | 3,226 | 2,609 | 2,265
Universal life and investment-type product policy fees | 1,175 | 1,109 | 994
Net investment income | 1,593 | 1,271 | 992
Other revenues | 39 | 41 | 38
Net investment gains (losses) | 0 | 0 | 0
Net derivative gains (losses) | 0 | 0 | 0
Total revenues | 6,033 | 5,030 | 4,289
Expenses |  |  |
Policyholder benefits and claims and policyholder dividends | 3,301 | 3,143 | 2,406
Interest credited to policyholder account balances | 335 | 249 | 240
Capitalization of DAC | (499) | (414) | (362)
Amortization of DAC and VOBA | 339 | 285 | 276
Amortization of negative VOBA | 0 | 0 | 0
Interest expense on debt | 12 | 5 | 4
Other expenses | 1,553 | 1,401 | 1,318
Total expenses | 5,041 | 4,669 | 3,882
Provision for income tax expense (benefit) | 231 | 70 | 127
Adjusted earnings | 761 | 291 | 280
Operating Segments | EMEA |  |  |
Revenues |  |  |
Premiums | 1,964 | 2,271 | 2,259
Universal life and investment-type product policy fees | 300 | 395 | 433
Net investment income | 160 | 215 | 269
Other revenues | 35 | 47 | 52
Net investment gains (losses) | 0 | 0 | 0
Net derivative gains (losses) | 0 | 0 | 0
Total revenues | 2,459 | 2,928 | 3,013
Expenses |  |  |
Policyholder benefits and claims and policyholder dividends | 990 | 1,241 | 1,196
Interest credited to policyholder account balances | 71 | 86 | 109
Capitalization of DAC | (411) | (469) | (491)
Amortization of DAC and VOBA | 333 | 356 | 454
Amortization of negative VOBA | (5) | (7) | (8)
Interest expense on debt | 0 | 0 | 1
Other expenses | 1,171 | 1,324 | 1,344
Total expenses | 2,149 | 2,531 | 2,605
Provision for income tax expense (benefit) | 64 | 96 | 81
Adjusted earnings | 246 | 301 | 327
Operating Segments | MetLife Holdings |  |  |
Revenues |  |  |
Premiums | 3,066 | 3,333 | 3,600
Universal life and investment-type product policy fees | 1,057 | 1,101 | 1,073
Net investment income | 4,971 | 6,450 | 5,184
Other revenues | 155 | 257 | 238
Net investment gains (losses) | 0 | 0 | 0
Net derivative gains (losses) | 0 | 0 | 0
Total revenues | 9,249 | 11,141 | 10,095
Expenses |  |  |
Policyholder benefits and claims and policyholder dividends | 6,056 | 6,268 | 6,738
Interest credited to policyholder account balances | 813 | 840 | 868
Capitalization of DAC | (28) | (33) | (39)
Amortization of DAC and VOBA | 192 | 257 | 370
Amortization of negative VOBA | 0 | 0 | 0
Interest expense on debt | 8 | 5 | 6
Other expenses | 953 | 992 | 942
Total expenses | 7,994 | 8,329 | 8,885
Provision for income tax expense (benefit) | 247 | 570 | 234
Adjusted earnings | 1,008 | 2,242 | 976
Operating Segments | Corporate & Other |  |  |
Revenues |  |  |
Premiums | (16) | 35 | 22
Universal life and investment-type product policy fees | 2 | 2 | 3
Net investment income | 216 | 244 | 42
Other revenues | 396 | 420 | 344
Net investment gains (losses) | 0 | 0 | 0
Net derivative gains (losses) | 0 | 0 | 0
Total revenues | 598 | 701 | 411
Expenses |  |  |
Policyholder benefits and claims and policyholder dividends | (6) | 34 | (3)
Interest credited to policyholder account balances | 0 | 0 | 0
Capitalization of DAC | (8) | (11) | (11)
Amortization of DAC and VOBA | 9 | 9 | 8
Amortization of negative VOBA | 0 | 0 | 0
Interest expense on debt | 909 | 902 | 895
Other expenses | 709 | 562 | 625
Total expenses | 1,613 | 1,496 | 1,514
Provision for income tax expense (benefit) | (356) | (591) | (556)
Adjusted earnings | (659) | (204) | (547)
Significant Reconciling Items |  |  |
Revenues |  |  |
Premiums | 41 | 982 | 52
Universal life and investment-type product policy fees | 53 | 195 | 138
Net investment income | (2,273) | 115 | (211)
Other revenues | 163 | 243 | 159
Net investment gains (losses) | (1,262) | 1,529 | (110)
Net derivative gains (losses) | (2,372) | (2,228) | 1,349
Total revenues | (5,650) | 836 | 1,377
Expenses |  |  |
Policyholder benefits and claims and policyholder dividends | (53) | 1,179 | 692
Interest credited to policyholder account balances | (1,319) | 946 | 541
Capitalization of DAC | (11) | (119) | (5)
Amortization of DAC and VOBA | (106) | 219 | 166
Amortization of negative VOBA | 0 | 0 | 0
Interest expense on debt | 0 | 1 | 0
Other expenses | 263 | 564 | 263
Total expenses | (1,226) | 2,790 | 1,657
Provision for income tax expense (benefit) | $ (1,252) | $ (380) | $ 127

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