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Reinsurance (Effects of Reinsurance on Balance Sheet) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Assets |  |  |
Premiums, reinsurance and other receivables relating to variable interest entities | $ 29,761 | $ 28,971 |
Market risk benefits, at estimated fair value | 372 | 286 |
Deferred policy acquisition costs and value of business acquired | 19,627 | 20,151 | $ 19,653
Total assets | 49,760 | 49,408 |
Liabilities |  |  |
Net liability for FPBs | 193,646 | 196,406 |
Policyholder account balances | 221,445 | 219,269 |
Market risk benefits, at estimated fair value | 2,581 | 3,179 |
Other policy-related balances | 18,899 | 19,736 |
Other liabilities | 36,843 | 35,805 |
Total liabilities | 251,969 | 255,126 |
Direct Reinsurance [Member] |  |  |
Assets |  |  |
Premiums, reinsurance and other receivables relating to variable interest entities | 6,496 | 6,044 |
Market risk benefits, at estimated fair value | 365 | 279 |
Deferred policy acquisition costs and value of business acquired | 19,753 | 20,297 |
Total assets | 26,614 | 26,620 |
Liabilities |  |  |
Net liability for FPBs | 189,328 | 192,424 |
Market risk benefits, at estimated fair value | 2,566 | 3,141 |
Other policy-related balances | 18,138 | 18,852 |
Other liabilities | 26,722 | 27,125 |
Total liabilities | 236,754 | 241,542 |
Assumed Reinsurance [Member] |  |  |
Assets |  |  |
Premiums, reinsurance and other receivables relating to variable interest entities | 1,432 | 1,405 |
Market risk benefits, at estimated fair value | 7 | 7 |
Deferred policy acquisition costs and value of business acquired | 352 | 353 |
Total assets | 1,791 | 1,765 |
Liabilities |  |  |
Net liability for FPBs | 4,318 | 3,982 |
Market risk benefits, at estimated fair value | 15 | 38 |
Other policy-related balances | 1,052 | 1,152 |
Other liabilities | 1,863 | 1,892 |
Total liabilities | 7,248 | 7,064 |
Ceded Reinsurance [Member] |  |  |
Assets |  |  |
Premiums, reinsurance and other receivables relating to variable interest entities | 21,833 | 21,522 |
Market risk benefits, at estimated fair value | 0 | 0 |
Deferred policy acquisition costs and value of business acquired | (478) | (499) |
Total assets | 21,355 | 21,023 |
Liabilities |  |  |
Net liability for FPBs | 0 | 0 |
Market risk benefits, at estimated fair value | 0 | 0 |
Other policy-related balances | (291) | (268) |
Other liabilities | 8,258 | 6,788 |
Total liabilities | 7,967 | $ 6,520 |
Universal Life, Variable Universal Life, and Universal Life with Secondary Guarantees |  |  |
Liabilities |  |  |
Other liabilities | $ 770 |  |

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