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Outstanding Exposure - Schedule of Non-Financial Guaranty Exposure (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Insured Financial Obligations [Line Items] |  |
Gross Exposure | $ 3,800 |
Insurance securitizations |  |
Schedule of Insured Financial Obligations [Line Items] |  |
Gross Exposure | 1,370 | $ 1,314
Net Exposure | 1,043 | 986
Aircraft residual value insurance policies |  |
Schedule of Insured Financial Obligations [Line Items] |  |
Gross Exposure | 355 | 355
Net Exposure | 200 | 200
Other guaranties |  |
Schedule of Insured Financial Obligations [Line Items] |  |
Gross Exposure | 2,057 | 228
Net Exposure | 2,057 | $ 228
Maximum | Insurance securitizations |  |
Schedule of Insured Financial Obligations [Line Items] |  |
Net Exposure | $ 1,200 |

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