Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2025

Earnings Per Share [Abstract]

Basic and diluted net income (loss) per share

The calculations of basic and diluted net income per share are as follows:

	Year Ended December 31,
(In millions, except per share data)	2025		2024		2023
Net income - basic and diluted	$	4,504.9	$	4,412.6	$	3,953.6
Weighted average shares - basic	104.6		107.9		106.7
Effect of dilutive securities:
Stock options	1.9		4.8		4.9
Restricted stock awards and restricted stock units	2.1		2.4		2.1
Weighted average shares - diluted	108.6		115.1		113.7
Net income per share - basic	$	43.07	$	40.90	$	37.05
Net income per share - diluted	$	41.48	$	38.34	$	34.77

Antidilutive securities

Shares which have been excluded from diluted per share amounts because their effect would have been antidilutive include the following:

	Year Ended December 31,
(Shares in millions)	2025	2024	2023
Stock options	6.2	1.6	1.8
Restricted stock awards and restricted stock units	0.2	—	—