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Financing Receivables - Credit Quality Information - Syndicated Loans (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Financing receivables - credit quality information |  |  |
Loan write-offs | $ 4,000,000 | $ 4,000,000 | $ 10,000,000
Commercial Loans |  |  |
Financing receivables - credit quality information |  |  |
Loan write-offs | 2,000,000 | 3,000,000 | $ 8,000,000
Commercial Loans | Syndicated loans |  |  |
Financing receivables - credit quality information |  |  |
Recorded investment | 145,000,000 | 175,000,000 |
Loan write-offs | 0 |  |
Amortized cost basis by year of origination and loan-to-value ratio |  |  |
Originated in current fiscal year | 42,000,000 | 15,000,000 |
Originated in fiscal year before latest fiscal year | 9,000,000 | 39,000,000 |
Originated two years before latest fiscal year | 44,000,000 | 12,000,000 |
Originated three years before latest fiscal year | 11,000,000 | 26,000,000 |
Originated four years before latest fiscal year | 25,000,000 | 23,000,000 |
Originated five or more years before latest fiscal year | 14,000,000 | 60,000,000 |
Total | 145,000,000 | 175,000,000 |
Commercial Loans | Syndicated loans | Risk 5 |  |  |
Financing receivables - credit quality information |  |  |
Recorded investment | 1,000,000 | 1,000,000 |
Amortized cost basis by year of origination and loan-to-value ratio |  |  |
Originated in current fiscal year | 0 | 1,000,000 |
Originated in fiscal year before latest fiscal year | 1,000,000 | 0 |
Originated two years before latest fiscal year | 0 | 0 |
Originated three years before latest fiscal year | 0 | 0 |
Originated four years before latest fiscal year | 0 | 0 |
Originated five or more years before latest fiscal year | 0 | 0 |
Total | 1,000,000 | 1,000,000 |
Commercial Loans | Syndicated loans | Risk 4 |  |  |
Financing receivables - credit quality information |  |  |
Recorded investment | 3,000,000 | 4,000,000 |
Amortized cost basis by year of origination and loan-to-value ratio |  |  |
Originated in current fiscal year | 0 | 0 |
Originated in fiscal year before latest fiscal year | 0 | 0 |
Originated two years before latest fiscal year | 0 | 0 |
Originated three years before latest fiscal year | 1,000,000 | 2,000,000 |
Originated four years before latest fiscal year | 2,000,000 | 0 |
Originated five or more years before latest fiscal year | 0 | 2,000,000 |
Total | 3,000,000 | 4,000,000 |
Commercial Loans | Syndicated loans | Risk 3 |  |  |
Financing receivables - credit quality information |  |  |
Recorded investment | 28,000,000 | 29,000,000 |
Amortized cost basis by year of origination and loan-to-value ratio |  |  |
Originated in current fiscal year | 2,000,000 | 0 |
Originated in fiscal year before latest fiscal year | 0 | 9,000,000 |
Originated two years before latest fiscal year | 12,000,000 | 1,000,000 |
Originated three years before latest fiscal year | 2,000,000 | 6,000,000 |
Originated four years before latest fiscal year | 2,000,000 | 5,000,000 |
Originated five or more years before latest fiscal year | 10,000,000 | 8,000,000 |
Total | 28,000,000 | 29,000,000 |
Commercial Loans | Syndicated loans | Risk 2 |  |  |
Financing receivables - credit quality information |  |  |
Recorded investment | 64,000,000 | 81,000,000 |
Amortized cost basis by year of origination and loan-to-value ratio |  |  |
Originated in current fiscal year | 26,000,000 | 8,000,000 |
Originated in fiscal year before latest fiscal year | 3,000,000 | 21,000,000 |
Originated two years before latest fiscal year | 17,000,000 | 7,000,000 |
Originated three years before latest fiscal year | 5,000,000 | 12,000,000 |
Originated four years before latest fiscal year | 11,000,000 | 5,000,000 |
Originated five or more years before latest fiscal year | 2,000,000 | 28,000,000 |
Total | 64,000,000 | 81,000,000 |
Commercial Loans | Syndicated loans | Risk 1 |  |  |
Financing receivables - credit quality information |  |  |
Recorded investment | 49,000,000 | 60,000,000 |
Amortized cost basis by year of origination and loan-to-value ratio |  |  |
Originated in current fiscal year | 14,000,000 | 6,000,000 |
Originated in fiscal year before latest fiscal year | 5,000,000 | 9,000,000 |
Originated two years before latest fiscal year | 15,000,000 | 4,000,000 |
Originated three years before latest fiscal year | 3,000,000 | 6,000,000 |
Originated four years before latest fiscal year | 10,000,000 | 13,000,000 |
Originated five or more years before latest fiscal year | 2,000,000 | 22,000,000 |
Total | 49,000,000 | 60,000,000 |
Commercial Loans | Syndicated loans | Past due |  |  |
Financing receivables - credit quality information |  |  |
Recorded investment | 0 | 0 |
Amortized cost basis by year of origination and loan-to-value ratio |  |  |
Total | $ 0 | $ 0 |

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