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Supplemental Financial Information - Supplemental Cash Flows, Non-Cash Investing and Financing Activities (Detail) - USD ($)
$ in Millions
12 Months Ended
Apr. 30, 2021
Apr. 24, 2020
Apr. 26, 2019
Non-cash Investing Activities:      
Capital expenditures incurred but not paid $ 15 $ 15 $ 9
Supplemental Cash Flow Information:      
Income taxes paid, net of refunds 338 276 205
Interest paid $ 57 $ 50 $ 53