Employee Bargaining Agreements and Benefit Plans - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2021 USD ($) Employees Pension_Plan Employee	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of temporary employees | Employee	100
Expenses for defined contribution plan	$ 1,000,000	$ 5,000,000	$ 13,000,000
Number of benefit plans, description	the Company sponsors two defined benefit plans in the United Kingdom under which accrual of pension benefits have ceased. Plan member benefits that have previously been accrued are indexed in line with inflation during the period up to retirement in order to protect their purchasing power.
Defined Benefit Plan, Plan Assets, Contributions by Employer		3,000,000
Net periodic benefit cost	$ 1,000,000	$ 6,000,000	$ 1,000,000
Defined benefit plan, concentration risk, description	the Company’s management believes that there are no significant concentrations of risk associated with plan assets.
UK [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plan | Pension_Plan	2
Other Expenses [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement charge related to lump-sum transaction	$ 3,000,000
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of employees | Employees	2,350
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected future benefit payments in next twelve months	$ 1,000,000
Defined benefit plan, expected future benefit payments in year two	1,000,000
Defined benefit plan, expected future benefit payments in year three	1,000,000
Defined benefit plan, expected future benefit payments in year four	1,000,000
Defined benefit plan, expected future benefit payments in year five	1,000,000
Defined benefit plan, expected future benefit payments in year five and thereafter	1,000,000
Defined benefit plan, expected future employer contributions, next fiscal year	$ 0