Share Plans - Additional Information (Detail) - Two Thousand Twenty Share and Incentive Plan shares in Millions	3 Months Ended
	Mar. 31, 2026 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	0.4
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)	0.2
Weighted-average grant date fair value (in dollars per share) | $ / shares	$ 99.59
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)	0.1
Weighted-average grant date fair value of options (in dollars per share) | $ / shares	$ 37.31
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)	0.1
Weighted-average grant date fair value (in dollars per share) | $ / shares	$ 103.78