Future Contract Benefits - Summary of Changes in Present Values of LFPB (Group Protection) (Details) - Group Protection - USD ($) $ in Millions |
3 Months Ended | |||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Present Value of Expected Future Policy Benefits | ||||
| Balance as of beginning-of-year | $ 5,836 | $ 5,628 | ||
| Effect of cumulative changes in discount rate assumptions | $ (363) | $ (550) | ||
| Beginning balance at original discount rate | 6,199 | 6,178 | ||
| Effect of actual variances from expected experience | $ (47) | $ (72) | ||
| Adjusted balance as of beginning-of-year | 6,152 | 6,106 | ||
| Issuances | 377 | 402 | ||
| Interest accrual | 55 | 50 | ||
| Benefit payments | (380) | (371) | ||
| Ending balance at original discount rate | 6,204 | 6,187 | ||
| Effect of cumulative changes in discount rate assumptions | (411) | (475) | ||
| Balance as of end-of-period | 5,793 | 5,712 | ||
| Less: Reinsurance recoverables | 123 | 121 | ||
| Net balance as of end-of-period, net of reinsurance | $ 5,670 | $ 5,591 | ||
| Weighted-average duration of future policyholder benefit liability | 5 years | 5 years | ||
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from (increase) decrease in expected future policy benefit component of liability for future policy benefit from change in discount rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from increase (decrease) in expected net premium component of liability for future policy benefit from change in discount rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after effect of reinsurance, of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption, of expected future benefit and expense component for liability for future policy benefit, discounted at original rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption and discount rate change, of expected future policy benefit and expense component of liability for future policy benefit. 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 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, before effect of reinsurance and current period update of cash flow assumption, of expected future policy benefit and expense component of liability for future policy benefit, discounted at original rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount, after allowance for credit loss, recoverable under reinsurance of liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted-average duration of liability for future policy benefit, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- Details
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