Derivatives and Hedging (Hedged Item Offset By Derivatives Achieving Fair Value Hedge Accounting) (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
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| Derivative [Line Items] | |||||
| Fixed maturities, available-for-sale, at fair value | [1] | $ 330,851 | $ 331,455 | ||
| Commercial mortgage and other loans | [1] | 65,412 | 64,715 | ||
| Policyholders’ account balances | (192,131) | (191,307) | |||
| Future policy benefits | (262,470) | (266,914) | $ (269,969) | ||
| Carrying Amount of the Hedged Assets (Liabilities) | |||||
| Derivative [Line Items] | |||||
| Fixed maturities, available-for-sale, at fair value | 563 | 594 | |||
| Policyholders’ account balances | (1,589) | (1,588) | |||
| Future policy benefits | (2,379) | (2,405) | |||
| Cumulative Adjustment Included in Carrying Amount | |||||
| Derivative [Line Items] | |||||
| Fixed maturities, available-for-sale, at fair value | 8 | 11 | |||
| Policyholders’ account balances | 302 | 299 | |||
| Future policy benefits | $ 329 | $ 300 | |||
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The aggregate amount of policy reserves (provided for future obligations including unpaid claims and claims adjustment expenses) and policy benefits (liability for future policy benefits) as of the balance sheet date; grouped amount of all the liabilities associated with the company's insurance policies. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of liability due to policyholder for deposit held under long-duration contract issued by insurance entity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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