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SIGNIFICANT ACCOUNTING POLICIES - Schedule of Variable Interest Entities (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Variable Interest Entity [Line Items] |  |  |
Amortization of non-traded investments | $ 104.0 | $ 75.0 | $ 65.4
Tax credits and other tax benefits received | $ 128.3 | $ 104.9 | $ 94.8
Investment Program Proportional Amortization Method Elected Income Tax Credit And Other Income Tax Benefit After Amortization Statement Of Cash Flows Extensible Enumeration Not Disclosed Flag | Tax credits and other tax benefits received | Tax credits and other tax benefits received | Tax credits and other tax benefits received
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, after Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] | Income Tax Expense (Benefit) | Income Tax Expense (Benefit) | Income Tax Expense (Benefit)
Other accruals | $ 1,508.9 | $ 1,360.2 | $ 1,329.5
Other long-term liabilities | 2,575.8 | 2,309.4 | 1,908.0
Not Primary Beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Other assets | 826.1 | 744.0 | 675.0
Other accruals | 123.4 | 101.4 | 80.9
Other long-term liabilities | 667.8 | 600.3 | 568.2
Net deferred income tax asset | $ 2.6 | $ 7.6 | $ 19.4

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