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Segment Information (Earnings) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Revenues |  |  |  |  |  |
Premiums | $ 11,721 |  | $ 9,132 |  | $ 22,492 | $ 19,459
Universal life and investment-type product policy fees | 1,516 |  | 1,422 |  | 2,934 | 2,813
Net investment income | 3,583 |  | 5,280 |  | 7,867 | 10,594
Other revenues | 616 |  | 664 |  | 1,276 | 1,295
Net investment gains (losses) | (685) |  | 1,605 |  | (1,203) | 1,739
Net derivative gains (losses) | (1,195) |  | 421 |  | (2,054) | (1,814)
Total revenues | 15,556 |  | 18,524 |  | 31,312 | 34,086
Expenses |  |  |  |  |  |
Policyholder benefits and claims and policyholder dividends | 11,983 |  | 9,641 |  | 23,374 | 20,411
Interest credited to policyholder account balances | 492 |  | 1,515 |  | 1,122 | 2,866
Capitalization of DAC | (622) |  | (642) |  | (1,272) | (1,417)
Amortization of DAC and VOBA | 616 |  | 537 |  | 1,153 | 1,127
Amortization of negative VOBA | (10) |  | (10) |  | (19) | (19)
Interest expense on debt | 226 |  | 228 |  | 451 | 456
Other expenses | 2,873 |  | 2,768 |  | 5,790 | 5,884
Total expenses | 15,558 |  | 14,037 |  | 30,599 | 29,308
Provision for income tax expense (benefit) | (140) |  | 1,075 |  | (99) | 1,003
Net income (loss) | 138 | $ 674 | 3,412 | $ 363 | 812 | 3,775
Operating Segments [Member] |  |  |  |  |  |
Revenues |  |  |  |  |  |
Premiums | 11,721 |  | 9,132 |  | 22,451 | 18,594
Universal life and investment-type product policy fees | 1,505 |  | 1,386 |  | 2,897 | 2,752
Net investment income | 4,504 |  | 5,117 |  | 9,496 | 10,411
Other revenues | 568 |  | 604 |  | 1,178 | 1,189
Net investment gains (losses) | 0 |  | 0 |  | 0 | 0
Net derivative gains (losses) | 0 |  | 0 |  | 0 | 0
Total revenues | 18,298 |  | 16,239 |  | 36,022 | 32,946
Expenses |  |  |  |  |  |
Policyholder benefits and claims and policyholder dividends | 11,984 |  | 9,565 |  | 23,340 | 19,671
Interest credited to policyholder account balances | 1,187 |  | 1,150 |  | 2,319 | 2,291
Capitalization of DAC | (622) |  | (642) |  | (1,261) | (1,328)
Amortization of DAC and VOBA | 596 |  | 540 |  | 1,142 | 1,048
Amortization of negative VOBA | (10) |  | (10) |  | (19) | (19)
Interest expense on debt | 226 |  | 228 |  | 451 | 455
Other expenses | 2,806 |  | 2,700 |  | 5,644 | 5,554
Total expenses | 16,167 |  | 13,531 |  | 31,616 | 27,672
Provision for income tax expense (benefit) | 476 |  | 584 |  | 961 | 1,117
Adjusted earnings | 1,655 |  | 2,124 |  | 3,445 | 4,157
Segment Reconciling Items [Member] |  |  |  |  |  |
Revenues |  |  |  |  |  |
Premiums | 0 |  | 0 |  | 41 | 865
Universal life and investment-type product policy fees | 11 |  | 36 |  | 37 | 61
Net investment income | (921) |  | 163 |  | (1,629) | 183
Other revenues | 48 |  | 60 |  | 98 | 106
Net investment gains (losses) | (685) |  | 1,605 |  | (1,203) | 1,739
Net derivative gains (losses) | (1,195) |  | 421 |  | (2,054) | (1,814)
Total revenues | (2,742) |  | 2,285 |  | (4,710) | 1,140
Expenses |  |  |  |  |  |
Policyholder benefits and claims and policyholder dividends | (1) |  | 76 |  | 34 | 740
Interest credited to policyholder account balances | (695) |  | 365 |  | (1,197) | 575
Capitalization of DAC | 0 |  | 0 |  | (11) | (89)
Amortization of DAC and VOBA | 20 |  | (3) |  | 11 | 79
Amortization of negative VOBA | 0 |  | 0 |  | 0 | 0
Interest expense on debt | 0 |  | 0 |  | 0 | 1
Other expenses | 67 |  | 68 |  | 146 | 330
Total expenses | (609) |  | 506 |  | (1,017) | 1,636
Provision for income tax expense (benefit) | (616) |  | 491 |  | (1,060) | (114)
U.S. | Operating Segments [Member] |  |  |  |  |  |
Revenues |  |  |  |  |  |
Premiums | 8,254 |  | 5,474 |  | 15,418 | 11,173
Universal life and investment-type product policy fees | 284 |  | 282 |  | 581 | 579
Net investment income | 1,710 |  | 1,998 |  | 3,584 | 4,008
Other revenues | 405 |  | 380 |  | 831 | 776
Net investment gains (losses) | 0 |  | 0 |  | 0 | 0
Net derivative gains (losses) | 0 |  | 0 |  | 0 | 0
Total revenues | 10,653 |  | 8,134 |  | 20,414 | 16,536
Expenses |  |  |  |  |  |
Policyholder benefits and claims and policyholder dividends | 8,320 |  | 5,739 |  | 15,886 | 11,881
Interest credited to policyholder account balances | 387 |  | 359 |  | 734 | 718
Capitalization of DAC | (14) |  | (13) |  | (37) | (31)
Amortization of DAC and VOBA | 14 |  | 8 |  | 28 | 24
Amortization of negative VOBA | 0 |  | 0 |  | 0 | 0
Interest expense on debt | 1 |  | 2 |  | 3 | 3
Other expenses | 949 |  | 898 |  | 1,928 | 1,809
Total expenses | 9,657 |  | 6,993 |  | 18,542 | 14,404
Provision for income tax expense (benefit) | 208 |  | 239 |  | 391 | 446
Adjusted earnings | 788 |  | 902 |  | 1,481 | 1,686
Asia | Operating Segments [Member] |  |  |  |  |  |
Revenues |  |  |  |  |  |
Premiums | 1,395 |  | 1,582 |  | 2,948 | 3,267
Universal life and investment-type product policy fees | 498 |  | 436 |  | 946 | 894
Net investment income | 1,012 |  | 1,158 |  | 2,254 | 2,422
Other revenues | 24 |  | 19 |  | 45 | 37
Net investment gains (losses) | 0 |  | 0 |  | 0 | 0
Net derivative gains (losses) | 0 |  | 0 |  | 0 | 0
Total revenues | 2,929 |  | 3,195 |  | 6,193 | 6,620
Expenses |  |  |  |  |  |
Policyholder benefits and claims and policyholder dividends | 1,185 |  | 1,233 |  | 2,413 | 2,530
Interest credited to policyholder account balances | 493 |  | 496 |  | 991 | 985
Capitalization of DAC | (370) |  | (395) |  | (762) | (830)
Amortization of DAC and VOBA | 321 |  | 296 |  | 609 | 610
Amortization of negative VOBA | (8) |  | (8) |  | (16) | (15)
Interest expense on debt | 0 |  | 0 |  | 0 | 0
Other expenses | 763 |  | 832 |  | 1,600 | 1,731
Total expenses | 2,384 |  | 2,454 |  | 4,835 | 5,011
Provision for income tax expense (benefit) | 159 |  | 221 |  | 392 | 466
Adjusted earnings | 386 |  | 520 |  | 966 | 1,143
Latin America | Operating Segments [Member] |  |  |  |  |  |
Revenues |  |  |  |  |  |
Premiums | 826 |  | 636 |  | 1,558 | 1,231
Universal life and investment-type product policy fees | 296 |  | 287 |  | 586 | 557
Net investment income | 459 |  | 308 |  | 781 | 607
Other revenues | 10 |  | 11 |  | 19 | 21
Net investment gains (losses) | 0 |  | 0 |  | 0 | 0
Net derivative gains (losses) | 0 |  | 0 |  | 0 | 0
Total revenues | 1,591 |  | 1,242 |  | 2,944 | 2,416
Expenses |  |  |  |  |  |
Policyholder benefits and claims and policyholder dividends | 811 |  | 724 |  | 1,580 | 1,485
Interest credited to policyholder account balances | 84 |  | 60 |  | 152 | 119
Capitalization of DAC | (120) |  | (100) |  | (233) | (195)
Amortization of DAC and VOBA | 90 |  | 83 |  | 170 | 143
Amortization of negative VOBA | 0 |  | 0 |  | 0 | 0
Interest expense on debt | 4 |  | 1 |  | 7 | 2
Other expenses | 370 |  | 343 |  | 724 | 678
Total expenses | 1,239 |  | 1,111 |  | 2,400 | 2,232
Provision for income tax expense (benefit) | 85 |  | 34 |  | 135 | 47
Adjusted earnings | 267 |  | 97 |  | 409 | 137
EMEA | Operating Segments [Member] |  |  |  |  |  |
Revenues |  |  |  |  |  |
Premiums | 492 |  | 621 |  | 1,001 | 1,219
Universal life and investment-type product policy fees | 86 |  | 107 |  | 174 | 174
Net investment income | 38 |  | 62 |  | 79 | 125
Other revenues | 8 |  | 16 |  | 17 | 29
Net investment gains (losses) | 0 |  | 0 |  | 0 | 0
Net derivative gains (losses) | 0 |  | 0 |  | 0 | 0
Total revenues | 624 |  | 806 |  | 1,271 | 1,547
Expenses |  |  |  |  |  |
Policyholder benefits and claims and policyholder dividends | 237 |  | 333 |  | 519 | 676
Interest credited to policyholder account balances | 20 |  | 25 |  | 37 | 49
Capitalization of DAC | (108) |  | (122) |  | (209) | (249)
Amortization of DAC and VOBA | 95 |  | 94 |  | 181 | 156
Amortization of negative VOBA | (2) |  | (2) |  | (3) | (4)
Interest expense on debt | 0 |  | 0 |  | 0 | 0
Other expenses | 298 |  | 349 |  | 594 | 698
Total expenses | 540 |  | 677 |  | 1,119 | 1,326
Provision for income tax expense (benefit) | 20 |  | 35 |  | 36 | 56
Adjusted earnings | 64 |  | 94 |  | 116 | 165
MetLife Holdings | Operating Segments [Member] |  |  |  |  |  |
Revenues |  |  |  |  |  |
Premiums | 760 |  | 839 |  | 1,536 | 1,666
Universal life and investment-type product policy fees | 339 |  | 273 |  | 608 | 547
Net investment income | 1,280 |  | 1,543 |  | 2,689 | 3,189
Other revenues | 23 |  | 69 |  | 67 | 131
Net investment gains (losses) | 0 |  | 0 |  | 0 | 0
Net derivative gains (losses) | 0 |  | 0 |  | 0 | 0
Total revenues | 2,402 |  | 2,724 |  | 4,900 | 5,533
Expenses |  |  |  |  |  |
Policyholder benefits and claims and policyholder dividends | 1,433 |  | 1,549 |  | 2,951 | 3,072
Interest credited to policyholder account balances | 203 |  | 210 |  | 405 | 420
Capitalization of DAC | (8) |  | (9) |  | (15) | (17)
Amortization of DAC and VOBA | 74 |  | 56 |  | 150 | 110
Amortization of negative VOBA | 0 |  | 0 |  | 0 | 0
Interest expense on debt | 2 |  | 2 |  | 3 | 3
Other expenses | 242 |  | 244 |  | 478 | 497
Total expenses | 1,946 |  | 2,052 |  | 3,972 | 4,085
Provision for income tax expense (benefit) | 92 |  | 136 |  | 187 | 294
Adjusted earnings | 364 |  | 536 |  | 741 | 1,154
Corporate & Other | Operating Segments [Member] |  |  |  |  |  |
Revenues |  |  |  |  |  |
Premiums | (6) |  | (20) |  | (10) | 38
Universal life and investment-type product policy fees | 2 |  | 1 |  | 2 | 1
Net investment income | 5 |  | 48 |  | 109 | 60
Other revenues | 98 |  | 109 |  | 199 | 195
Net investment gains (losses) | 0 |  | 0 |  | 0 | 0
Net derivative gains (losses) | 0 |  | 0 |  | 0 | 0
Total revenues | 99 |  | 138 |  | 300 | 294
Expenses |  |  |  |  |  |
Policyholder benefits and claims and policyholder dividends | (2) |  | (13) |  | (9) | 27
Interest credited to policyholder account balances | 0 |  | 0 |  | 0 | 0
Capitalization of DAC | (2) |  | (3) |  | (5) | (6)
Amortization of DAC and VOBA | 2 |  | 3 |  | 4 | 5
Amortization of negative VOBA | 0 |  | 0 |  | 0 | 0
Interest expense on debt | 219 |  | 223 |  | 438 | 447
Other expenses | 184 |  | 34 |  | 320 | 141
Total expenses | 401 |  | 244 |  | 748 | 614
Provision for income tax expense (benefit) | (88) |  | (81) |  | (180) | (192)
Adjusted earnings | $ (214) |  | $ (25) |  | $ (268) | $ (128)

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