Supplemental Financial Information - Supplemental Cash Flows, Non-Cash Investing Activities (Detail) - USD ($) $ in Millions	3 Months Ended
	Jul. 30, 2021	Jul. 31, 2020
Non-cash Investing Activities:
Capital expenditures incurred but not paid	$ 15	$ 10
Supplemental Cash Flow Information:
Income taxes paid, net of refunds	17	136
Interest paid	$ 27	$ 16