Supplemental Financial Information - Other Income (expense), Net (Detail) - USD ($) $ in Millions	3 Months Ended
	Jul. 30, 2021	Jul. 31, 2020
Nonoperating Income Expense [Abstract]
Interest income	$ 2	$ 3
Interest expense	(18)	(18)
Other income (expense), net	4	(17)
Total other expense, net	$ (12)	$ (32)