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Separate Account Assets Fair Value (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | $ 139,504 | $ 144,634
Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4,310 | 6,265
Separate Account, Debt Security | Materials |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 246 | 253
Separate Account, Debt Security | Communications |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 830 | 1,042
Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,950 | 2,199
Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,808 | 1,208
Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,082 | 10,816
Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,061 | 7,601
Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 520 | 571
Separate Account, Debt Security | Government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 24,642 | 24,999
Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,285 | 1,389
Separate Account, Debt Security | Municipals |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 280 | 424
Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 17,497 | 23,690
Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 43,704 | 50,502
Separate Account, Debt Security | Mortgage-backed securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,059 | 9,706
Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”) |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,162 | 2,586
Separate Account, Debt Security | Redeemable preferred stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 8 | 9
Separate Account, Debt Security | Total fixed maturity securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 54,933 | 62,803
Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 63,627 | 58,231
Separate Account, Equity Security | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 8,707 | 10,208
Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 131,577 | 137,507
Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 7,927 | 7,127
Group Benefits |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,319 | 1,159
Group Benefits | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Materials |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Communications |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Municipals |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Mortgage-backed securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”) |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Redeemable preferred stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | Total fixed maturity securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,319 | 1,159
Group Benefits | Separate Account, Equity Security | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,319 | 1,159
Group Benefits | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
RIS |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 51,420 | 53,093
RIS | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,398 | 1,620
RIS | Separate Account, Debt Security | Materials |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 245 | 253
RIS | Separate Account, Debt Security | Communications |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 811 | 1,030
RIS | Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,903 | 2,151
RIS | Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 958 | 1,095
RIS | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,472 | 3,833
RIS | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 775 | 848
RIS | Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 518 | 568
RIS | Separate Account, Debt Security | Government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,950 | 10,182
RIS | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,090 | 1,077
RIS | Separate Account, Debt Security | Municipals |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 250 | 380
RIS | Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 8,682 | 9,778
RIS | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 19,972 | 21,417
RIS | Separate Account, Debt Security | Mortgage-backed securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,021 | 9,671
RIS | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”) |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,145 | 2,557
RIS | Separate Account, Debt Security | Redeemable preferred stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 8 | 9
RIS | Separate Account, Debt Security | Total fixed maturity securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 31,146 | 33,654
RIS | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 10,035 | 8,517
RIS | Separate Account, Equity Security | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,830 | 3,209
RIS | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 45,409 | 47,000
RIS | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 6,011 | 6,093
Asia |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 8,231 | 9,187
Asia | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 312 | 403
Asia | Separate Account, Debt Security | Materials |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Asia | Separate Account, Debt Security | Communications |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 15 | 8
Asia | Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 34 | 39
Asia | Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 113 | 105
Asia | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 515 | 551
Asia | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 46 | 38
Asia | Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Asia | Separate Account, Debt Security | Government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,115 | 1,190
Asia | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 188 | 308
Asia | Separate Account, Debt Security | Municipals |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 18 | 31
Asia | Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 723 | 741
Asia | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,044 | 2,270
Asia | Separate Account, Debt Security | Mortgage-backed securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Asia | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”) |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 18
Asia | Separate Account, Debt Security | Redeemable preferred stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Asia | Separate Account, Debt Security | Total fixed maturity securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,044 | 2,288
Asia | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,098 | 2,929
Asia | Separate Account, Equity Security | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,324 | 3,064
Asia | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 7,778 | 8,684
Asia | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 453 | 503
Latin America |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 38,765 | 41,320
Latin America | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,557 | 4,212
Latin America | Separate Account, Debt Security | Materials |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Debt Security | Communications |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 729 | 0
Latin America | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4,760 | 6,006
Latin America | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,231 | 6,693
Latin America | Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Debt Security | Government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 10,545 | 10,971
Latin America | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Debt Security | Municipals |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 7,720 | 12,699
Latin America | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 18,265 | 23,670
Latin America | Separate Account, Debt Security | Mortgage-backed securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”) |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Debt Security | Redeemable preferred stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Debt Security | Total fixed maturity securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 18,265 | 23,670
Latin America | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 14,295 | 10,099
Latin America | Separate Account, Equity Security | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,353 | 2,845
Latin America | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 37,470 | 40,826
Latin America | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,295 | 494
EMEA |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4,875 | 4,327
EMEA | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 43 | 30
EMEA | Separate Account, Debt Security | Materials |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Communications |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4 | 4
EMEA | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 309 | 403
EMEA | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 7 | 18
EMEA | Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,017 | 2,638
EMEA | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Municipals |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 320 | 425
EMEA | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,337 | 3,063
EMEA | Separate Account, Debt Security | Mortgage-backed securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”) |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Redeemable preferred stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Total fixed maturity securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,337 | 3,063
EMEA | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 129 | 109
EMEA | Separate Account, Equity Security | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,200 | 1,090
EMEA | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4,709 | 4,292
EMEA | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 166 | 35
MetLife Holdings |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 34,894 | 35,548
MetLife Holdings | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
MetLife Holdings | Separate Account, Debt Security | Materials |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1 | 0
MetLife Holdings | Separate Account, Debt Security | Communications |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4 | 4
MetLife Holdings | Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 13 | 9
MetLife Holdings | Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4 | 4
MetLife Holdings | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 26 | 23
MetLife Holdings | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2 | 4
MetLife Holdings | Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2 | 3
MetLife Holdings | Separate Account, Debt Security | Government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 15 | 18
MetLife Holdings | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 7 | 4
MetLife Holdings | Separate Account, Debt Security | Municipals |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 12 | 13
MetLife Holdings | Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 52 | 47
MetLife Holdings | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 86 | 82
MetLife Holdings | Separate Account, Debt Security | Mortgage-backed securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 38 | 35
MetLife Holdings | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”) |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 17 | 11
MetLife Holdings | Separate Account, Debt Security | Redeemable preferred stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
MetLife Holdings | Separate Account, Debt Security | Total fixed maturity securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 141 | 128
MetLife Holdings | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 34,751 | 35,418
MetLife Holdings | Separate Account, Equity Security | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
MetLife Holdings | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 34,892 | 35,546
MetLife Holdings | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | $ 2 | $ 2

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