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v3.22.2.2

Consolidated Statements Of Operations (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Financial Guarantee Insurance Segment [Member] |  |  |  |
Ceded premiums earned | $ 0 | $ 14 | $ 1 | $ 16

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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |