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Outstanding Exposure - Schedule of Non-Financial Guaranty Exposure (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Insurance securitizations |  |
Schedule of Insured Financial Obligations [Line Items] |  |
Gross Exposure | $ 1,398 | $ 1,370
Net Exposure | 1,067 | 1,043
Insurance securitizations | Maximum |  |
Schedule of Insured Financial Obligations [Line Items] |  |
Gross Exposure | 1,500 |
Net Exposure | 1,200 |
Aircraft residual value insurance |  |
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 | 2,001 | 2,057
Net Exposure | $ 2,001 | $ 2,057

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