v3.26.3
STOCKHOLDERS' EQUITY - Components of Accumulated Other Comprehensive Income, Net of Tax (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance $ 18,297.7 $ 17,953.1 $ 17,941.7 $ 16,529.6
Other comprehensive income (loss) (65.4) 23.7 (100.9) 78.4
Ending balance 16,117.8 17,042.1 16,117.8 17,042.1
Total        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 5.8 3.0 43.3 (51.3)
Other comprehensive loss before reclassifications (71.9) 28.4 (120.1) 80.0
Amounts reclassified from accumulated other comprehensive income 5.8 (4.9) 16.5 (2.2)
Other comprehensive income (loss) (66.1) 23.5 (103.6) 77.8
Ending balance (60.3) 26.5 (60.3) 26.5
Gains (Losses) on Hedge Instruments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 17.0 (14.7) 4.0 11.0
Other comprehensive loss before reclassifications (18.5) 17.5 (15.4) (10.3)
Amounts reclassified from accumulated other comprehensive income 4.6 (5.0) 14.5 (2.9)
Other comprehensive income (loss) (13.9) 12.5 (0.9) (13.2)
Ending balance 3.1 (2.2) 3.1 (2.2)
Unrealized Gains (Losses) on Available-for-Sale Securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (11.8) 21.9 30.5 (14.6)
Other comprehensive loss before reclassifications (34.8) 5.2 (77.1) 41.4
Amounts reclassified from accumulated other comprehensive income 0.8 0.0 0.8 0.3
Other comprehensive income (loss) (34.0) 5.2 (76.3) 41.7
Ending balance (45.8) 27.1 (45.8) 27.1
Foreign Currency Translation Gains (Losses)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 22.2 10.1 29.5 (33.1)
Other comprehensive loss before reclassifications (18.5) 5.7 (25.8) 48.9
Amounts reclassified from accumulated other comprehensive income 0.0 0.0 0.0 0.0
Other comprehensive income (loss) (18.5) 5.7 (25.8) 48.9
Ending balance 3.7 15.8 3.7 15.8
Employee Benefit Plans        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (21.6) (14.3) (20.7) (14.6)
Other comprehensive loss before reclassifications (0.1) 0.0 (1.8) 0.0
Amounts reclassified from accumulated other comprehensive income 0.4 0.1 1.2 0.4
Other comprehensive income (loss) 0.3 0.1 (0.6) 0.4
Ending balance $ (21.3) $ (14.2) $ (21.3) $ (14.2)