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INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF INVESTMENTS WITH UNREALIZED LOSSES CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Amortized cost |
Due after one year through five years | $ 1,618.5
Due after five years through ten years | 1,244.2
Total | 19,348.2
Estimated fair value |
Due after one year through five years | 1,551.5
Due after five years through ten years | 1,166.8
Total | 16,777.0
Investments held by variable interest entities - corporate securities |
Amortized cost |
Due in one year or less | 3.1
Due after one year through five years | 174.3
Due after five years through ten years | 93.0
Total | 270.4
Estimated fair value |
Due in one year or less | 2.9
Due after one year through five years | 169.0
Due after five years through ten years | 92.5
Total | $ 264.4

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