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Investments - Amortization by Expected Maturity (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Amortized cost of fixed maturities available-for-sale |  |
Due in one year or less | $ 2,021.5 |
Due after one year through five years | 9,355.6 |
Due after five years through ten years | 12,967.0 |
Due after ten years | 28,086.3 |
Subtotal | 52,430.4 |
Mortgage-backed and other asset-backed securities | 18,482.0 |
Amortized cost, fixed maturities | 70,912.4 | $ 72,869.9
Fair value of fixed maturities available-for-sale |  |
Due in one year or less | 2,005.8 |
Due after one year through five years | 8,905.8 |
Due after five years through ten years | 11,592.6 |
Due after ten years | 23,143.6 |
Subtotal | 45,647.8 |
Mortgage-backed and other asset-backed securities | 16,761.3 |
Fair value, fixed maturities | $ 62,409.1 | $ 78,154.5

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