v3.25.1
Accumulated Other Comprehensive Income (Loss) - Rollforward (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2025
USD ($)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance $ 13,284.2
Ending balance 13,286.0
Foreign currency translation adjustments  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance (1,087.0)
Tax benefit (expense) 9.0
Ending balance (1,031.7)
Accumulated foreign currency adjustment, excluding net investment hedging, attributable to parent  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Other comprehensive income (loss), before reclassifications, before tax 83.1
Accumulated foreign currency adjustment, net investment hedging, attributable to parent  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Other comprehensive income (loss), before reclassifications, before tax (36.8)
AOCI foreign currency translation adjustments  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Other comprehensive income (loss), before reclassifications, before tax 83.1
Gain (loss) on derivative instruments  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance 83.6
Other comprehensive income (loss), before reclassifications, before tax (21.5)
Reclassification of AOCI, current period, before tax (0.6)
Tax benefit (expense) 5.5
Ending balance 67.0
Pension and postretirement benefit adjustments  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance (342.4)
Reclassification of AOCI, current period, before tax (2.1)
Tax benefit (expense) 0.4
Ending balance (344.1)
Equity method investments  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance (16.6)
Tax benefit (expense) 0.0
Ending balance (16.6)
Accumulated other comprehensive income (loss)  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Beginning balance (1,362.4)
Tax benefit (expense) 14.9
Ending balance $ (1,325.4)