Related Party Transactions (Effects of Affiliated Reinsurance on Balance Sheets) (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Assets | ||
| Premiums, reinsurance and other receivables (net of allowance for credit losses) | $ 20,555 | $ 21,238 |
| Liabilities | ||
| Future policy benefits | 31,424 | 31,682 |
| Market risk benefit liabilities | 8,579 | 8,079 |
| Other policy-related balances | 3,816 | 3,715 |
| Other liabilities | 11,203 | 8,885 |
| Assumed Reinsurance | Affiliated Entity | ||
| Assets | ||
| Premiums, reinsurance and other receivables (net of allowance for credit losses) | 32 | 31 |
| Liabilities | ||
| Future policy benefits | 59 | 59 |
| Market risk benefit liabilities | 222 | 201 |
| Other policy-related balances | 13 | 18 |
| Other liabilities | $ (17) | $ (21) |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount, after effect of reinsurance, of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of liability position for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of liabilities classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount due to policyholders for funds held that are returnable under the terms of insurance contracts, classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date, net of allowance for doubtful accounts, of all premiums and other types of receivables due from other persons or entities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|