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Consolidated Statements Of Operations (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Financial Guarantee Insurance Segment [Member] |  |  |  |
Ceded premiums earned | $ 0 | $ 0 | $ 0 | $ 1

X
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