Restructuring and Other Related Charges (Narrative) (Detail) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2022 USD ($) employee
Veresh Sita
Restructuring Cost and Reserve [Line Items]
Labor and related expense | $	$ 1	$ 1
T22
Restructuring Cost and Reserve [Line Items]
Expected number of positions eliminated		85
Number of positions eliminated		75
Expected cost remaining | $	$ 5	$ 5
T21
Restructuring Cost and Reserve [Line Items]
Expected number of positions eliminated		55
Number of positions eliminated		50