Long-duration Contracts - Narrative (Details) - USD ($) $ in Millions |
9 Months Ended | ||
|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2023 |
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| Liability for Future Policy Benefit, Activity [Line Items] | |||
| Increase in reserves | $ 45 | $ 15 | |
| Increase (decrease) in market risk benefit liabilities | 897 | 716 | |
| Issuances | 346 | 270 | |
| Fees collected by policyholders | 289 | 266 | |
| Interest accrual | 143 | 151 | |
| Changes in instrument-specific credit risk | (132) | ||
| Effect of changes in interest rates | 116 | (36) | |
| Effect of changes in equity | (106) | (115) | |
| Total | |||
| Liability for Future Policy Benefit, Activity [Line Items] | |||
| Increase (decrease) future policy benefits for payout annuities with life contingencies | (775) | (430) | |
| Benefit payments | 3,406 | 3,421 | |
| Effect of actual to expected experience | 99 | $ 93 | |
| Interest accrual | 1,366 | 1,405 | |
| Change in discount rate assumptions | 808 | (832) | |
| Change in foreign exchange | 244 | (31) | |
| Issuances | 220 | 1,010 | |
| Favorable unlocking of assumptions | $ 131 | $ (104) | $ (104) |
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- Definition Liability For Future Policy Benefit Expected Future Policy Benefit Foreign Exchange No definition available.
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- Definition Liability For Future Policy Benefit, Expected Future Policy, Increase (Decrease) For Discount Rate Assumptions No definition available.
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- Definition Market Risk Benefit, Increase (Decrease) From Instrument-Specific Credit Risk No definition available.
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- Definition The change in the future policy benefit reserve balance on the balance sheet. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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/2003/role/disclosureRef
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- Definition Amount of cumulative increase (decrease) in expected future policy benefit and expense component for liability of future policy benefit from cash flow assumption change for future cash flows. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cumulative increase (decrease) in expected future policy benefit and expense component for liability of future policy benefit from effect of variance from cash flow assumption change for actual experience. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest expense for expected future policy benefit and expense component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase in expected future policy benefit and expense component of liability for future policy benefit from contract issuance. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase (decrease) in expected future policy benefit and expense component for liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash outflow to policyholder from benefit payment for expected future policy benefit and expense component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash inflow to 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 from attributed fee collected. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase (decrease) in 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 from change in equity market assumption. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase (decrease) in 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 from change in interest rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest expense 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
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- Definition Amount of increase in 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 from contract issuance. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase (decrease) in 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
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- Details
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