Related Party Transactions (The Initial and Ongoing Reinsurance Activity with Prismic Re of Cash Flows) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Adjustments to reconcile net income (loss) to net cash provided by operating activities: | ||||||||||||
| Realized investment (gains) losses, net | $ 1,566 | [1] | $ 1,699 | [1] | $ 1,930 | [2] | $ 2,429 | [2] | ||||
| Deferred Policy Acquisition Costs | [2] | (417) | (657) | |||||||||
| Reinsurance related-balances | [2] | 1,167 | 1,253 | |||||||||
| Other, net | [2] | (2,957) | (3,125) | |||||||||
| CASH FLOWS FROM INVESTING ACTIVITIES | ||||||||||||
| Other, net | [2] | (90) | (74) | |||||||||
| CASH FLOWS FROM FINANCING ACTIVITIES | ||||||||||||
| Other, net | [2] | (259) | (546) | |||||||||
| Related Party | ||||||||||||
| Adjustments to reconcile net income (loss) to net cash provided by operating activities: | ||||||||||||
| Realized investment (gains) losses, net | $ 146 | $ 33 | 132 | 270 | ||||||||
| Deferred Policy Acquisition Costs | (8) | (4) | ||||||||||
| Reinsurance related-balances | (480) | (404) | ||||||||||
| Other, net | (63) | 21 | ||||||||||
| CASH FLOWS FROM INVESTING ACTIVITIES | ||||||||||||
| Other, net | 17 | (64) | ||||||||||
| CASH FLOWS FROM FINANCING ACTIVITIES | ||||||||||||
| Other, net | $ 20 | $ 167 | ||||||||||
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