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Outstanding Exposure - Schedule of Non-Financial Guaranty Exposure (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Schedule of Insured Financial Obligations [Line Items] |  |
Gross Exposure | $ 1,616 | $ 1,605
Net Exposure | 1,090 | 1,071
Life insurance transactions |  |
Schedule of Insured Financial Obligations [Line Items] |  |
Gross Exposure | 1,261 | 1,250
Net Exposure | 890 | 871
Life insurance transactions | Maximum |  |
Schedule of Insured Financial Obligations [Line Items] |  |
Net Exposure | 1,100 |
Aircraft residual value insurance policies |  |
Schedule of Insured Financial Obligations [Line Items] |  |
Gross Exposure | 355 | 355
Net Exposure | $ 200 | $ 200

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