Employee Benefits - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	Apr. 27, 2023	Mar. 31, 2023	Mar. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Amount paid in severance benefits over the period		$ 140,000,000
Post employment benefits liability		521,000,000
Pension
Defined Benefit Plan Disclosure [Line Items]
Employer discretionary contribution amount		$ 0	$ 0
Pension | Subsequent Event
Defined Benefit Plan Disclosure [Line Items]
Employer discretionary contribution amount	$ 200,000,000