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Leases - Supplemental Balance Sheet Information Related to Operating Leases (Detail) - USD ($)
$ in Millions
Jan. 29, 2021
Apr. 24, 2020
Leases [Abstract]    
Other non-current assets $ 120 $ 137
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:OtherAssetsNoncurrent us-gaap:OtherAssetsNoncurrent
Accrued expenses $ 50 $ 51
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:AccruedLiabilitiesCurrent us-gaap:AccruedLiabilitiesCurrent
Other long-term liabilities $ 76 $ 93
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesNoncurrent us-gaap:OtherLiabilitiesNoncurrent
Total operating lease liabilities $ 126 $ 144
Weighted Average Remaining Lease Term 3 years 4 months 24 days 3 years 10 months 24 days
Weighted Average Discount Rate 2.80% 2.70%