Employee Benefits - Net Periodic Pension Expense (Detail) - USD ($) $ in Millions	6 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Weighted-Average Assumptions:
Expected Long-Term Rate of Return on Assets					7.25%
Supplemental Plan
Defined Benefit plan Net periodic benefit cost
Service Cost					$ 5.6	$ 5.3	$ 4.6
Interest Cost					3.9	3.7	4.8
Expected Return on Plan Assets					0.0	0.0	0.0
Amortization:
Net Actuarial Loss					7.4	8.2	7.0
Prior Service (Credit) Cost					0.0	0.1	0.2
Net Periodic Pension Expense					16.9	17.3	16.6
Settlement Expense					0.0	0.0	0.0
Total Pension Expense					$ 16.9	$ 17.3	$ 16.6
Weighted-Average Assumptions:
Discount Rates					2.80%	2.45%	3.37%
Rate of Increase in Compensation Level					4.97%	4.97%	4.97%
U.S. | Pension Plans, Defined Benefit
Defined Benefit plan Net periodic benefit cost
Service Cost					$ 48.0	$ 52.3	$ 47.4
Interest Cost					46.3	40.4	43.3
Expected Return on Plan Assets					(85.7)	(79.0)	(76.8)
Amortization:
Net Actuarial Loss					11.4	32.4	35.0
Prior Service (Credit) Cost					(0.1)	(0.4)	(0.4)
Net Periodic Pension Expense					19.9	45.7	48.5
Settlement Expense					44.1	27.9	0.0
Total Pension Expense					$ 64.0	$ 73.6	$ 48.5
Weighted-Average Assumptions:
Discount Rates		3.05%				3.03%	3.37%
Rate of Increase in Compensation Level					4.97%	4.97%	4.97%
Expected Long-Term Rate of Return on Assets				5.00%			5.25%
U.S. | Pension Plans, Defined Benefit | Lower Limit
Weighted-Average Assumptions:
Discount Rates	4.81%		5.49%			3.03%
Expected Long-Term Rate of Return on Assets	6.00%	5.25%	6.50%			5.25%	5.25%
U.S. | Pension Plans, Defined Benefit | Upper Limit
Weighted-Average Assumptions:
Discount Rates			5.49%	3.06%	5.22%		2.75%
Expected Long-Term Rate of Return on Assets	6.00%		6.50%		5.25%
Non U.S. Plans | Pension Plans, Defined Benefit
Defined Benefit plan Net periodic benefit cost
Service Cost					$ 1.7	$ 2.2	$ 1.9
Interest Cost					2.5	2.2	2.9
Expected Return on Plan Assets					(3.2)	(3.2)	(3.1)
Amortization:
Net Actuarial Loss					0.6	1.0	0.8
Prior Service (Credit) Cost					0.0	0.2	0.4
Net Periodic Pension Expense					1.6	2.4	2.9
Settlement Expense					0.8	0.4	0.8
Total Pension Expense					$ 2.4	$ 2.8	$ 3.7
Weighted-Average Assumptions:
Discount Rates					1.34%	0.93%	1.40%
Rate of Increase in Compensation Level					1.50%	1.50%	1.50%
Expected Long-Term Rate of Return on Assets					1.79%	1.28%	1.72%