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Future Policy Benefits - FPB Income Statement (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | $ 9,710 | $ 8,196
Interest Expense (2) | 2,798 | 2,664
Fixed & Immediate Annuities | RIS |  |
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | 4,246 | 2,592
Interest Expense (2) | 1,526 | 1,411
Whole and Term Life & Endowments | Asia |  |
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | 564 | 555
Interest Expense (2) | 149 | 158
Accident & health insurance | Asia |  |
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | 1,551 | 1,762
Interest Expense (2) | 122 | 126
Fixed Annuity | Latin America |  |
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | 499 | 529
Interest Expense (2) | 162 | 168
Long-term Care | MetLife Holdings |  |
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | 362 | 366
Interest Expense (2) | 399 | 385
Fixed & Immediate Annuities for Deferred Profit Liabilities | RIS |  |
Principal Transaction Revenue [Line Items] |  |
Interest Expense (2) | 88 | 81
Whole and Term Life & Endowments for Deferred Profit Liabilities | Asia |  |
Principal Transaction Revenue [Line Items] |  |
Interest Expense (2) | 17 | 14
Accident and Health Insurance Product Line for Deferred Profit Liabilities | Asia |  |
Principal Transaction Revenue [Line Items] |  |
Interest Expense (2) | 9 | 9
Fixed Annuity for Deferred Profit Liabilities | Latin America |  |
Principal Transaction Revenue [Line Items] |  |
Interest Expense (2) | 10 | 11
Variable Life | Asia |  |
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | 55 | 11
Interest Expense (2) | 9 | 10
Universal and Variable Universal Life | Asia |  |
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | (33) | (14)
Interest Expense (2) | 3 | 3
Universal and Variable Universal Life | MetLife Holdings |  |
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | 334 | 380
Interest Expense (2) | 65 | 61
Long-Duration Insurance, Other |  |
Principal Transaction Revenue [Line Items] |  |
Gross Premiums or Assessments (1) | 2,132 | 2,015
Interest Expense (2) | $ 239 | $ 227

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