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Reinsurance (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Reinsurance Disclosures [Abstract] |  |
Deposit assets in premiums, reinsurance, and other receivables or secondary guarantee risk for reinsurance | $ 4,600 | $ 5,100
Deposit liabilities in other liabilities for reinsurance | 1,200 | 1,300
Ceded Credit Risk [Line Items] |  |
Reinsurance recoverables | 17,600 | 16,700
Other liabilities | 36,843 | 35,805
Investments | 441,364 | 446,137
Separate account assets | 139,504 | 144,634
Premiums, reinsurance and other receivables relating to variable interest entities | 29,761 | 28,971
Ceded Reinsurance [Member] |  |
Ceded Credit Risk [Line Items] |  |
Other liabilities | 8,258 | 6,788
Premiums, reinsurance and other receivables relating to variable interest entities | $ 21,833 | 21,522
Modified Coinsurance of Closed Block [Member] |  |
Ceded Credit Risk [Line Items] |  |
Reinsurance Retention Policy, Reinsured Risk, Percentage | 59.00% |
Universal Life, Variable Universal Life, and Universal Life with Secondary Guarantees |  |
Ceded Credit Risk [Line Items] |  |
Other liabilities | $ 770 |
Fixed Maturity Securities AFS and Mortgage Loans |  |
Ceded Credit Risk [Line Items] |  |
Investments | 9,500 |
Ceded Credit Risk, Unsecured [Member] |  |
Ceded Credit Risk [Line Items] |  |
Reinsurance recoverables | 4,200 | 4,400
Global Atlantic Financial Group |  |
Ceded Credit Risk [Line Items] |  |
Ceding Commissions, Before Tax | 2,200 |
Separate account assets | 5,000 |
Global Atlantic Financial Group | Ceded Reinsurance [Member] |  |
Ceded Credit Risk [Line Items] |  |
Premiums, reinsurance and other receivables relating to variable interest entities | 10,300 |
Five Largest Ceded Reinsurers [Member] |  |
Ceded Credit Risk [Line Items] |  |
Five largest reinsurers, reinsurance recoverables amount | $ 14,700 | $ 14,100
Five largest reinsurers, reinsurance recoverables percentage | 84.00% | 84.00%
Five Largest Ceded Reinsurers [Member] | Ceded Credit Risk, Unsecured [Member] |  |
Ceded Credit Risk [Line Items] |  |
Five largest reinsurers, reinsurance recoverables amount | $ 2,400 | $ 2,500

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