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Reinsurance (Effects of Reinsurance on Earnings) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Premiums: |  |  |
Direct Premiums | $ 43,359 | $ 47,618 | $ 40,377
Reinsurance assumed | 3,112 | 3,035 | 2,909
Reinsurance ceded | (2,188) | (2,143) | (2,134)
Net premiums | 44,283 | 48,510 | 41,152
Universal life and investment-type product policy fees: |  |  |
Direct universal life and investment-type product policy fees | 5,787 | 5,687 | 5,813
Reinsurance assumed | (19) | 32 | (13)
Reinsurance ceded | (616) | (494) | (556)
Net universal life and investment product policy fees | 5,152 | 5,225 | 5,244
Ceded Policyholder Benefits and Claims Incurred Net And Policyholder Dividends | (2,469) | (2,405) | (2,627)
Ceded Policyholder Liability, Change in Fair Value, Gain (Loss) | 29 | 11 | (8)
Ceded market risk benefits remeasurement (gains) losses | 5 | 8 | 13
Policyholder Benefits and Claims: |  |  |
Direct policyholder benefits and claims | 44,155 | 49,308 | 43,199
Reinsurance assumed | 2,904 | 2,604 | 2,546
Policyholder benefits and claims | 44,590 | 49,507 | 43,118
Policyholder Liability Remeasurement (Gains) Losses: |  |  |
Direct Policyholder Liability Remeasurement (Gains) Losses | (54) | 94 | (185)
Assumed Policyholder Liability, Change in Fair Value, Gain (Loss) | (20) | 9 | 21
Policyholder liability remeasurement (gains) losses | 45 | (114) | 172
Market Risk Benefit: |  |  |
Direct market risk benefits remeasurement (gains) losses | (785) | (3,636) | (959)
Assumed Market Risk Benefits Remeasurement (Gains) Losses | (214) | (46) | (291)
Net market risk benefits remeasurement (gains) losses | 994 | 3,674 | 1,237
Other expenses: |  |  |
Direct other expenses | 12,760 | 11,854 | 11,984
Reinsurance assumed | 235 | 268 | 329
Reinsurance ceded | 285 | 263 | 295
Total other expenses | $ 12,710 | $ 11,859 | $ 12,018

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