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Future Policy Benefits - FPB Income Statement (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | $ 19,486 | $ 18,257 | $ 23,478
Interest Expense (2) | 5,695 | 5,393 | 4,930
Fixed & Immediate Annuities | RIS |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | 8,084 | 6,660 | 12,748
Interest Expense (2) | 3,146 | 2,897 | 2,519
Whole and Term Life & Endowments | Asia |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | 1,130 | 1,124 | 1,144
Interest Expense (2) | 298 | 311 | 320
Accident & health insurance | Asia |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | 3,066 | 3,364 | 3,602
Interest Expense (2) | 247 | 249 | 248
Fixed Annuity | Latin America |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | 1,041 | 1,074 | 712
Interest Expense (2) | 318 | 312 | 289
Long-term Care | MetLife Holdings |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | 724 | 731 | 734
Interest Expense (2) | 804 | 776 | 745
Fixed & Immediate Annuities for Deferred Profit Liabilities | RIS |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Interest Expense (2) | 178 | 167 | 154
Whole and Term Life & Endowments for Deferred Profit Liabilities | Asia |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Interest Expense (2) | 36 | 31 | 26
Accident and Health Insurance Product Line for Deferred Profit Liabilities | Asia |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Interest Expense (2) | 20 | 18 | 16
Fixed Annuity for Deferred Profit Liabilities | Latin America |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Interest Expense (2) | 20 | 22 | 19
Variable Life | Asia |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | 117 | 89 | 58
Interest Expense (2) | 17 | 19 | 21
Universal and Variable Universal Life | Asia |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | (35) | (31) | (26)
Interest Expense (2) | 6 | 7 | 7
Universal and Variable Universal Life | MetLife Holdings |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | 642 | 730 | 805
Interest Expense (2) | 132 | 124 | 116
Long-Duration Insurance, Other |  |  |
Principal Transaction Revenue [Line Items] |  |  |
Gross Premiums or Assessments (1) | 4,717 | 4,516 | 3,701
Interest Expense (2) | $ 473 | $ 460 | $ 450

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- Definition Amount of gross premium income recognized for liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29E + Details
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