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Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles (DAC and VOBA) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2021
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract] |  |  |  |
Balance at December 31, 2020 | $ 17,644 | $ 17,415 | $ 13,446 |
Capitalization of DAC | 2,917 | 2,614 | 2,751 |
Amortization | 1,791 | 1,655 | 1,806 |
Effect of foreign currency translation and other of DAC | (382) | (730) | (878) |
Reclassified to assets held-for-sale (1) |  |  | (103) |
Balance at January 1, 2021 | 18,388 | 17,644 | 17,415 |
Balance at December 31, 2020 | 2,009 | 2,391 | 2,943 |
Total amortization of VOBA | (161) | (176) | (231) |
Effect of foreign currency translation and other of VOBA | (85) | (206) | (310) |
Reclassified to assets held-for-sale |  |  | (34) |
Balance at January 1, 2021 | 1,763 | 2,009 | 2,391 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance | 20,151 | 19,653 | 19,806 |
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items] |  |  |  |
Deferred Policy Acquisition Cost | 18,388 | 17,644 | 17,415 | $ 17,451
Capitalization of DAC | 2,917 | 2,614 | 2,751 |
Deferred Policy Acquisition Costs, Amortization Expense | (1,791) | (1,655) | (1,806) |
Effect of foreign currency translation and other of DAC | (382) | (730) | (878) |
Reclassified to assets held-for-sale (1) |  |  | 103 |
Present Value of Future Insurance Profits, Net | 1,763 | 2,009 | 2,391 | 2,966
Total amortization of VOBA | (161) | (176) | (231) |
Effect of foreign currency translation and other of VOBA | (85) | (206) | (310) |
Reclassified to assets held-for-sale |  |  | (34) |
Deferred policy acquisition costs and value of business acquired | 20,151 | 19,653 | 19,806 | 20,417
Group Benefits |  |  |  |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract] |  |  |  |
Balance at December 31, 2020 | 264 | 272 | 279 |
Capitalization of DAC | 20 | 18 | 19 |
Amortization | 26 | 26 | 26 |
Effect of foreign currency translation and other of DAC | 0 | 0 | 0 |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Balance at January 1, 2021 | 258 | 264 | 272 |
Balance at December 31, 2020 | 0 | 0 | 0 |
Total amortization of VOBA | 0 | 0 | 0 |
Effect of foreign currency translation and other of VOBA | 0 | 0 | 0 |
Reclassified to assets held-for-sale |  |  | 0 |
Balance at January 1, 2021 | 0 | 0 | 0 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance | 258 | 264 |  |
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items] |  |  |  |
Deferred Policy Acquisition Cost | 258 | 264 | 272 | 279
Capitalization of DAC | 20 | 18 | 19 |
Deferred Policy Acquisition Costs, Amortization Expense | (26) | (26) | (26) |
Effect of foreign currency translation and other of DAC | 0 | 0 | 0 |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Present Value of Future Insurance Profits, Net | 0 | 0 | 0 | 0
Total amortization of VOBA | 0 | 0 | 0 |
Effect of foreign currency translation and other of VOBA | 0 | 0 | 0 |
Reclassified to assets held-for-sale |  |  | 0 |
Deferred policy acquisition costs and value of business acquired | 258 | 264 |  |
Retirement and Income Solutions |  |  |  |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract] |  |  |  |
Balance at December 31, 2020 | 267 | 191 | 130 |
Capitalization of DAC | 176 | 113 | 95 |
Amortization | 46 | 37 | 34 |
Effect of foreign currency translation and other of DAC | 0 | 0 | 0 |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Balance at January 1, 2021 | 397 | 267 | 191 |
Balance at December 31, 2020 | 19 | 22 | 25 |
Total amortization of VOBA | (3) | (3) | (3) |
Effect of foreign currency translation and other of VOBA | 0 | 0 | 0 |
Reclassified to assets held-for-sale |  |  | 0 |
Balance at January 1, 2021 | 16 | 19 | 22 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance | 413 | 286 |  |
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items] |  |  |  |
Deferred Policy Acquisition Cost | 397 | 267 | 191 | 130
Capitalization of DAC | 176 | 113 | 95 |
Deferred Policy Acquisition Costs, Amortization Expense | (46) | (37) | (34) |
Effect of foreign currency translation and other of DAC | 0 | 0 | 0 |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Present Value of Future Insurance Profits, Net | 16 | 19 | 22 | 25
Total amortization of VOBA | (3) | (3) | (3) |
Effect of foreign currency translation and other of VOBA | 0 | 0 | 0 |
Reclassified to assets held-for-sale |  |  | 0 |
Deferred policy acquisition costs and value of business acquired | 413 | 286 |  |
Asia |  |  |  |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract] |  |  |  |
Balance at December 31, 2020 | 10,270 | 10,058 | 7,432 |
Capitalization of DAC | 1,583 | 1,530 | 1,601 |
Amortization | 705 | 644 | 655 |
Effect of foreign currency translation and other of DAC | (284) | (674) | (629) |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Balance at January 1, 2021 | 10,864 | 10,270 | 10,058 |
Balance at December 31, 2020 | 1,290 | 1,593 | 1,901 |
Total amortization of VOBA | (89) | (101) | (131) |
Effect of foreign currency translation and other of VOBA | (82) | (202) | (191) |
Reclassified to assets held-for-sale |  |  | 0 |
Balance at January 1, 2021 | 1,119 | 1,290 | 1,593 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance | 11,983 | 11,560 |  |
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items] |  |  |  |
Deferred Policy Acquisition Cost | 10,864 | 10,270 | 10,058 | 9,741
Capitalization of DAC | 1,583 | 1,530 | 1,601 |
Deferred Policy Acquisition Costs, Amortization Expense | (705) | (644) | (655) |
Effect of foreign currency translation and other of DAC | (284) | (674) | (629) |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Present Value of Future Insurance Profits, Net | 1,119 | 1,290 | 1,593 | 1,915
Total amortization of VOBA | (89) | (101) | (131) |
Effect of foreign currency translation and other of VOBA | (82) | (202) | (191) |
Reclassified to assets held-for-sale |  |  | 0 |
Deferred policy acquisition costs and value of business acquired | 11,983 | 11,560 |  |
Latin America |  |  |  |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract] |  |  |  |
Balance at December 31, 2020 | 1,542 | 1,361 | 1,344 |
Capitalization of DAC | 651 | 494 | 406 |
Amortization | 418 | 361 | 311 |
Effect of foreign currency translation and other of DAC | 175 | 48 | (128) |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Balance at January 1, 2021 | 1,950 | 1,542 | 1,361 |
Balance at December 31, 2020 | 545 | 591 | 748 |
Total amortization of VOBA | (50) | (49) | (61) |
Effect of foreign currency translation and other of VOBA | 2 | 3 | (104) |
Reclassified to assets held-for-sale |  |  | 0 |
Balance at January 1, 2021 | 497 | 545 | 591 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance | 2,447 | 2,087 |  |
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items] |  |  |  |
Deferred Policy Acquisition Cost | 1,950 | 1,542 | 1,361 | 1,394
Capitalization of DAC | 651 | 494 | 406 |
Deferred Policy Acquisition Costs, Amortization Expense | (418) | (361) | (311) |
Effect of foreign currency translation and other of DAC | 175 | 48 | (128) |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Present Value of Future Insurance Profits, Net | 497 | 545 | 591 | 756
Total amortization of VOBA | (50) | (49) | (61) |
Effect of foreign currency translation and other of VOBA | 2 | 3 | (104) |
Reclassified to assets held-for-sale |  |  | 0 |
Deferred policy acquisition costs and value of business acquired | 2,447 | 2,087 |  |
EMEA |  |  |  |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract] |  |  |  |
Balance at December 31, 2020 | 1,480 | 1,472 | 1,551 |
Capitalization of DAC | 457 | 422 | 499 |
Amortization | 332 | 311 | 360 |
Effect of foreign currency translation and other of DAC | 13 | (103) | (129) |
Reclassified to assets held-for-sale (1) |  |  | (103) |
Balance at January 1, 2021 | 1,618 | 1,480 | 1,472 |
Balance at December 31, 2020 | 127 | 154 | 236 |
Total amortization of VOBA | (16) | (20) | (29) |
Effect of foreign currency translation and other of VOBA | 2 | (7) | (15) |
Reclassified to assets held-for-sale |  |  | (34) |
Balance at January 1, 2021 | 113 | 127 | 154 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance | 1,731 | 1,607 |  |
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items] |  |  |  |
Deferred Policy Acquisition Cost | 1,618 | 1,480 | 1,472 | 1,565
Capitalization of DAC | 457 | 422 | 499 |
Deferred Policy Acquisition Costs, Amortization Expense | (332) | (311) | (360) |
Effect of foreign currency translation and other of DAC | 13 | (103) | (129) |
Reclassified to assets held-for-sale (1) |  |  | 103 |
Present Value of Future Insurance Profits, Net | 113 | 127 | 154 | 232
Total amortization of VOBA | (16) | (20) | (29) |
Effect of foreign currency translation and other of VOBA | 2 | (7) | (15) |
Reclassified to assets held-for-sale |  |  | (34) |
Deferred policy acquisition costs and value of business acquired | 1,731 | 1,607 |  |
MetLife Holdings |  |  |  |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract] |  |  |  |
Balance at December 31, 2020 | 3,791 | 4,029 | 2,679 |
Capitalization of DAC | 22 | 29 | 31 |
Amortization | 255 | 267 | 313 |
Effect of foreign currency translation and other of DAC | (287) | 0 | 0 |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Balance at January 1, 2021 | 3,271 | 3,791 | 4,029 |
Balance at December 31, 2020 | 28 | 31 | 33 |
Total amortization of VOBA | (3) | (3) | (7) |
Effect of foreign currency translation and other of VOBA | (7) | 0 | 0 |
Reclassified to assets held-for-sale |  |  | 0 |
Balance at January 1, 2021 | 18 | 28 | 31 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance | 3,289 | 3,819 |  |
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items] |  |  |  |
Deferred Policy Acquisition Cost | 3,271 | 3,791 | 4,029 | 4,311
Capitalization of DAC | 22 | 29 | 31 |
Deferred Policy Acquisition Costs, Amortization Expense | (255) | (267) | (313) |
Effect of foreign currency translation and other of DAC | (287) | 0 | 0 |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Present Value of Future Insurance Profits, Net | 18 | 28 | 31 | 38
Total amortization of VOBA | (3) | (3) | (7) |
Effect of foreign currency translation and other of VOBA | (7) | 0 | 0 |
Reclassified to assets held-for-sale |  |  | 0 |
Deferred policy acquisition costs and value of business acquired | 3,289 | 3,819 |  |
Corporate and Other [Member] |  |  |  |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract] |  |  |  |
Balance at December 31, 2020 | 30 | 32 | 31 |
Capitalization of DAC | 8 | 8 | 100 |
Amortization | 9 | 9 | 107 |
Effect of foreign currency translation and other of DAC | 1 | (1) | 8 |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Balance at January 1, 2021 | 30 | 30 | 32 |
Balance at December 31, 2020 | 0 | 0 | 0 |
Total amortization of VOBA | 0 | 0 | 0 |
Effect of foreign currency translation and other of VOBA | 0 | 0 | 0 |
Reclassified to assets held-for-sale |  |  | 0 |
Balance at January 1, 2021 | 0 | 0 | 0 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance | 30 | 30 |  |
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items] |  |  |  |
Deferred Policy Acquisition Cost | 30 | 30 | 32 | 31
Capitalization of DAC | 8 | 8 | 100 |
Deferred Policy Acquisition Costs, Amortization Expense | (9) | (9) | (107) |
Effect of foreign currency translation and other of DAC | 1 | (1) | 8 |
Reclassified to assets held-for-sale (1) |  |  | 0 |
Present Value of Future Insurance Profits, Net | 0 | 0 | 0 | $ 0
Total amortization of VOBA | 0 | 0 | 0 |
Effect of foreign currency translation and other of VOBA | 0 | 0 | 0 |
Reclassified to assets held-for-sale |  |  | $ 0 |
Deferred policy acquisition costs and value of business acquired | $ 30 | $ 30 |  |

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