Significant Restructuring Costs - Additional Information (Detail) - 2021 Restructuring Plan	12 Months Ended
Dec. 31, 2021 Employees
Restructuring Cost and Reserve [Line Items]
Number of employees to be severed	4,000
Number of employees severed	1,800

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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