Restructuring - Additional Information (Detail) - USD ($)	1 Months Ended
	Dec. 31, 2021	Dec. 31, 2019	Sep. 30, 2022
2021 Restructuring Plan [Member]
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges	$ 220,000,000		$ 220,000,000.0
Reduction in annual pre-tax operating expenses	$ 190,000,000
Restructuring program benefits realized period	2024
2019 Restructuring Plan [Member]
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges			$ 375,000,000.0
2019 Restructuring Plan [Member] | Minimum [Member]
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges		$ 350,000,000
Reduction in annual pre-tax operating expenses		$ 180,000,000
Restructuring program benefits realized period		2023
2019 Restructuring Plan [Member] | Maximum
Restructuring Cost And Reserve [Line Items]
Pre-tax restructuring charges		$ 400,000,000
Reduction in annual pre-tax operating expenses		$ 280,000,000