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Separate Account Assets Fair Value (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | $ 141,003 | $ 144,634
Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 5,430 | 6,265
Separate Account, Debt Security | Materials |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 136 | 144
Separate Account, Debt Security | Communications |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 848 | 904
Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,891 | 1,929
Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 991 | 1,018
Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 8,874 | 9,687
Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4,045 | 4,403
Separate Account, Debt Security | Foreign |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4,974 | 5,055
Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 479 | 550
Separate Account, Debt Security | Foreign government |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 5,596 | 5,388
Separate Account, Debt Security | U.S. government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 18,079 | 19,611
Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,337 | 1,389
Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member] |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 367 | 424
Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 22,238 | 23,690
Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 47,617 | 50,502
Separate Account, Debt Security | Mortgage-backed securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,515 | 9,706
Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,415 | 2,586
Separate Account, Debt Security | Redeemable preferred stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9 | 9
Separate Account, Debt Security | Total fixed maturity securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 59,556 | 62,803
Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 70,476 | 68,439
Separate Account, Equity Security | Non-redeemable preferred Stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 122 | 115
Separate Account, Equity Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,746 | 1,733
Separate Account, Equity Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 7,976 | 8,202
Separate Account, Equity Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 155 | 158
Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 60,477 | 58,231
Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 135,462 | 137,507
Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 5,541 | 7,127
RIS |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 51,012 | 53,093
RIS | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,536 | 1,620
RIS | Separate Account, Debt Security | Materials |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 135 | 144
RIS | Separate Account, Debt Security | Communications |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 838 | 893
RIS | Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,837 | 1,882
RIS | Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 883 | 911
RIS | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,682 | 2,717
RIS | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 702 | 764
RIS | Separate Account, Debt Security | Foreign |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,873 | 1,920
RIS | Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 477 | 547
RIS | Separate Account, Debt Security | Foreign government |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 557 | 509
RIS | Separate Account, Debt Security | U.S. government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,237 | 9,673
RIS | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,089 | 1,077
RIS | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member] |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 331 | 380
RIS | Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,427 | 9,778
RIS | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 20,641 | 21,417
RIS | Separate Account, Debt Security | Mortgage-backed securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,477 | 9,671
RIS | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,384 | 2,557
RIS | Separate Account, Debt Security | Redeemable preferred stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9 | 9
RIS | Separate Account, Debt Security | Total fixed maturity securities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 32,511 | 33,654
RIS | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 12,356 | 11,726
RIS | Separate Account, Equity Security | Non-redeemable preferred Stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
RIS | Separate Account, Equity Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 748 | 731
RIS | Separate Account, Equity Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,452 | 2,411
RIS | Separate Account, Equity Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 65 | 67
RIS | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,091 | 8,517
RIS | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 46,403 | 47,000
RIS | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4,609 | 6,093
Asia |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 9,076 | 9,187
Asia | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 387 | 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 | 7 | 8
Asia | Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 44 | 39
Asia | Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 106 | 105
Asia | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 538 | 551
Asia | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 54 | 38
Asia | Separate Account, Debt Security | Foreign |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Asia | Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Asia | Separate Account, Debt Security | Foreign government |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,141 | 1,190
Asia | Separate Account, Debt Security | U.S. government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Asia | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 243 | 308
Asia | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member] |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 23 | 31
Asia | Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 749 | 741
Asia | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,156 | 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 |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 18 | 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 | 2,174 | 2,288
Asia | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 6,005 | 5,993
Asia | Separate Account, Equity Security | Non-redeemable preferred Stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 122 | 115
Asia | Separate Account, Equity Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 302 | 269
Asia | Separate Account, Equity Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,597 | 2,661
Asia | Separate Account, Equity Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 20 | 19
Asia | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,964 | 2,929
Asia | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 8,566 | 8,684
Asia | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 510 | 503
Latin America |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 38,512 | 41,320
Latin America | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,481 | 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 | 0 | 0
Latin America | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 5,283 | 6,006
Latin America | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,285 | 3,598
Latin America | Separate Account, Debt Security | Foreign |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,070 | 3,095
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 | Foreign government |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,121 | 1,051
Latin America | Separate Account, Debt Security | U.S. government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 8,822 | 9,920
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 | US States and Political Subdivisions Debt Securities [Member] |  |
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 | 11,638 | 12,699
Latin America | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 21,581 | 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 |  |
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 | 21,581 | 23,670
Latin America | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 13,080 | 12,944
Latin America | Separate Account, Equity Security | Non-redeemable preferred Stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Equity Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 365 | 392
Latin America | Separate Account, Equity Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,206 | 2,453
Latin America | Separate Account, Equity Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Latin America | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 10,509 | 10,099
Latin America | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 38,142 | 40,826
Latin America | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 370 | 494
EMEA |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4,519 | 4,327
EMEA | Other invested assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 26 | 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 | 0 | 0
EMEA | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 353 | 398
EMEA | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Foreign |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 20 | 27
EMEA | Separate Account, Debt Security | Technology |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Foreign government |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2,777 | 2,638
EMEA | Separate Account, Debt Security | U.S. government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member] |  |
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 | 373 | 425
EMEA | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 3,150 | 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 |  |
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 | 3,150 | 3,063
EMEA | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,295 | 1,199
EMEA | Separate Account, Equity Security | Non-redeemable preferred Stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
EMEA | Separate Account, Equity Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 331 | 341
EMEA | Separate Account, Equity Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 721 | 677
EMEA | Separate Account, Equity Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 70 | 72
EMEA | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 173 | 109
EMEA | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4,471 | 4,292
EMEA | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 48 | 35
MetLife Holdings |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 36,623 | 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 | 3 | 3
MetLife Holdings | Separate Account, Debt Security | Consumer |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 10 | 8
MetLife Holdings | Separate Account, Debt Security | Energy |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 2 | 2
MetLife Holdings | Separate Account, Debt Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 18 | 15
MetLife Holdings | Separate Account, Debt Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4 | 3
MetLife Holdings | Separate Account, Debt Security | Foreign |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 11 | 13
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 | Foreign government |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
MetLife Holdings | Separate Account, Debt Security | U.S. government and agency |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 20 | 18
MetLife Holdings | Separate Account, Debt Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 5 | 4
MetLife Holdings | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member] |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 13 | 13
MetLife Holdings | Separate Account, Debt Security | Total corporate bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 51 | 47
MetLife Holdings | Separate Account, Debt Security | Total bonds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 89 | 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 |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 13 | 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 | 140 | 128
MetLife Holdings | Separate Account, Equity Security |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 36,479 | 35,418
MetLife Holdings | Separate Account, Equity Security | Non-redeemable preferred Stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
MetLife Holdings | Separate Account, Equity Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
MetLife Holdings | Separate Account, Equity Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
MetLife Holdings | Separate Account, Equity Security | Public utilities |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
MetLife Holdings | Separate Account, Equity Security | Mutual funds |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 36,479 | 35,418
MetLife Holdings | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 36,619 | 35,546
MetLife Holdings | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 4 | 2
Group Benefits |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,261 | 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 | Foreign |  |
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 | Foreign government |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Debt Security | U.S. 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 | US States and Political Subdivisions Debt Securities [Member] |  |
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
Group Benefits | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations |  |
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 |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,261 | 1,159
Group Benefits | Separate Account, Equity Security | Non-redeemable preferred Stock |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Equity Security | Financial Services Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Equity Security | Commercial and Industrial Sector |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 0 | 0
Group Benefits | Separate Account, Equity Security | Public utilities |  |
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 | 1,261 | 1,159
Group Benefits | Investments |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | 1,261 | 1,159
Group Benefits | Other Assets |  |
Fair Value, Separate Account Investment [Line Items] |  |
Separate account assets | $ 0 | $ 0

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