Restructuring - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended
	Dec. 31, 2021	Dec. 31, 2019	Jun. 30, 2022
2021 Restructuring Plan [Member]
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges	$ 230.0		$ 230.0
Reduction in annual pre-tax operating expenses	$ 210.0
Restructuring program benefits realized period	2024
2019 Restructuring Plan [Member]
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges			$ 360.0
2019 Restructuring Plan [Member] | Minimum [Member]
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges		$ 335.0
Reduction in annual pre-tax operating expenses		$ 180.0
Restructuring program benefits realized period		2023
2019 Restructuring Plan [Member] | Maximum
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges		$ 385.0
Reduction in annual pre-tax operating expenses		$ 280.0