Restructuring and Other Related Charges (Narrative) (Detail) - T22 $ in Millions	3 Months Ended
Mar. 31, 2023 USD ($) employee
Restructuring Cost and Reserve [Line Items]
Expected number of positions eliminated	265
Number of positions eliminated	225
Expected cost remaining \| $	$ 2

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.

Name:	us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration