v3.26.3
FAIR VALUE MEASUREMENTS - Contractual Amounts of Outstanding Instruments (Details)
$ in Millions, € in Billions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Sep. 30, 2026
EUR (€)
Jun. 01, 2025
USD ($)
Jun. 01, 2025
EUR (€)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Unrealized foreign currency gains (losses) for net investment hedge $ 43.2 $ 25.1 $ 194.2 $ (179.5)        
Net Investment Hedge                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Contractual amount     5,325.2   $ 5,461.6      
Debt outstanding $ 5,300.0   $ 5,300.0     € 4.7 $ 5,300.0 € 4.7