v3.25.2
Components of Comprehensive Income, Net of Related Tax (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Statement of Comprehensive Income [Abstract]        
Net income $ 723.8 $ 1,122.6 $ 1,228.9 $ 2,317.9
Other comprehensive (loss) income (OCI):        
Unrealized (losses) gains on derivative contracts (16.7) 25.5 (38.6) 37.6
Tax effect 4.5 (6.1) 11.0 (9.8)
Net current period OCI, unrealized (losses) gains on derivative contracts (12.2) 19.4 (27.6) 27.8
Unrealized gains on marketable debt securities 7.6 2.6 23.3 0.1
Tax effect (1.5) (0.6) (5.9)  
Net current period OCI, unrealized gains on marketable debt securities 6.1 2.0 17.4 0.1
Pension plans (1.5) 2.4 (1.1) 10.3
Tax effect 1.3 (0.4) 1.3 (2.6)
Net current period OCI, pension plans (0.2) 2.0 0.2 7.7
Foreign currency translation gains (losses) 399.7 (168.4) 553.6 (286.9)
Net other comprehensive (loss) income 393.4 (145.0) 543.6 (251.3)
Comprehensive income $ 1,117.2 $ 977.6 $ 1,772.5 $ 2,066.6