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v3.25.4

Investment Securities - Rollforward of Fair Value Measurements by Level (Details) - Other long-term investments - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | $ 1,262.7 | $ 1,138.2
Net realized and unrealized gains | 141.0 | 54.4
Purchases and contributions | 202.2 | 111.5
Effect of Bamboo Transaction | 250.0 | 0.0
Effect of Distinguished Transaction | (7.1) | 0.0
Sales and distributions | (34.4) | (41.4)
Transfers in | 0.0 | 0.0
Transfers out | 0.0 | 0.0
Ending balance | $ 1,814.4 | $ 1,262.7

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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