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Goodwill and Purchased Intangible Assets, Net - Future Amortization Expense Related to Purchased Intangible Assets (Detail) - USD ($)
$ in Millions
Oct. 29, 2021
Apr. 30, 2021
Acquired Finite Lived Intangible Assets [Line Items]    
Net Assets $ 87 $ 101
Intangible Assets Subject to Amortization    
Acquired Finite Lived Intangible Assets [Line Items]    
2022 (remainder) 19  
2023 30  
2024 19  
2025 16  
2026 3  
Net Assets $ 87