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Consolidated Supplementary Insurance Information (Income Statement Items) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |
Premiums and Universal Life and Investment-Type Product Policy Fees | $ 49,919 | $ 49,435 | $ 53,735
Net Investment Income | 21,273 | 19,908 | 15,916
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to PABs | 52,861 | 52,405 | 53,515
Market risk benefit remeasurement (gains) losses | (1,109) | (994) | (3,674)
Amortization of DAC, VOBA and Negative VOBA Charged to Other Expenses | 2,021 | 1,926 | 1,802
Other Expenses (1) | 11,591 | 11,406 | 10,763
Group Benefits | Operating Segments [Member] |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |
Premiums and Universal Life and Investment-Type Product Policy Fees | 23,367 | 22,436 | 21,906
Net Investment Income | 1,178 | 1,148 | 1,081
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to PABs | 20,033 | 19,329 | 19,226
Market risk benefit remeasurement (gains) losses | 0 | 0 | 0
Amortization of DAC, VOBA and Negative VOBA Charged to Other Expenses | 26 | 26 | 26
Other Expenses (1) | 4,062 | 3,778 | 3,460
RIS | Operating Segments [Member] |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |
Premiums and Universal Life and Investment-Type Product Policy Fees | 8,348 | 8,561 | 13,923
Net Investment Income | 8,291 | 7,354 | 5,899
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to PABs | 14,586 | 14,057 | 18,124
Market risk benefit remeasurement (gains) losses | 11 | (29) | (314)
Amortization of DAC, VOBA and Negative VOBA Charged to Other Expenses | 66 | 49 | 40
Other Expenses (1) | 493 | 403 | 380
Asia | Operating Segments [Member] |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |
Premiums and Universal Life and Investment-Type Product Policy Fees | 6,681 | 6,883 | 7,256
Net Investment Income | 5,099 | 4,307 | 3,571
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to PABs | 6,846 | 6,941 | 6,199
Market risk benefit remeasurement (gains) losses | 7 | (43) | (90)
Amortization of DAC, VOBA and Negative VOBA Charged to Other Expenses | 832 | 772 | 721
Other Expenses (1) | 1,600 | 1,584 | 1,625
Latin America | Operating Segments [Member] |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |
Premiums and Universal Life and Investment-Type Product Policy Fees | 5,895 | 5,685 | 4,399
Net Investment Income | 1,608 | 1,610 | 1,318
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to PABs | 4,785 | 4,801 | 4,092
Market risk benefit remeasurement (gains) losses | 0 | 0 | 0
Amortization of DAC, VOBA and Negative VOBA Charged to Other Expenses | 503 | 468 | 410
Other Expenses (1) | 1,311 | 1,263 | 1,032
EMEA | Operating Segments [Member] |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |
Premiums and Universal Life and Investment-Type Product Policy Fees | 2,516 | 2,314 | 2,298
Net Investment Income | 847 | 885 | (864)
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to PABs | 1,797 | 1,737 | 30
Market risk benefit remeasurement (gains) losses | (54) | (40) | (126)
Amortization of DAC, VOBA and Negative VOBA Charged to Other Expenses | 355 | 344 | 326
Other Expenses (1) | 891 | 811 | 783
MetLife Holdings | Operating Segments [Member] |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |
Premiums and Universal Life and Investment-Type Product Policy Fees | 3,106 | 3,513 | 3,968
Net Investment Income | 3,802 | 4,234 | 4,633
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to PABs | 4,807 | 5,517 | 5,849
Market risk benefit remeasurement (gains) losses | (1,074) | (882) | (3,144)
Amortization of DAC, VOBA and Negative VOBA Charged to Other Expenses | 229 | 258 | 270
Other Expenses (1) | 1,461 | 1,527 | 1,632
Corporate And Other | Operating Segments [Member] |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |
Premiums and Universal Life and Investment-Type Product Policy Fees | 6 | 43 | (15)
Net Investment Income | 448 | 370 | 278
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to PABs | 7 | 23 | (5)
Market risk benefit remeasurement (gains) losses | 1 | 0 | 0
Amortization of DAC, VOBA and Negative VOBA Charged to Other Expenses | 10 | 9 | 9
Other Expenses (1) | $ 1,773 | $ 2,040 | $ 1,851

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- Definition Sum of premiums earned on the income statement for all insurance and reinsurance contracts after subtracting any amounts ceded to another insurer and adding premiums assumed from other insurers, and income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products. May also include an entity's proportionate share of the income or loss before extraordinary items and other adjustments from its investments in: unconsolidated subsidiaries, associated companies, and corporate joint ventures, unincorporated joint ventures, general partnerships, and limited partnerships over which the entity exercises significant influence that are principally engaged in insurance underwriting, reinsurance, or insurance sales activities. + References No definition available. + Details
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- Definition Amount of gain (loss) from (increase) decrease in fair value of contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. Excludes change attributable to instrument-specific credit risk. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480112/944-40-45-3 + Details
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