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Supplemental Financial Information - Other Long-term Liabilities (Detail) - USD ($)
$ in Millions
Jan. 29, 2021
Apr. 24, 2020
Liabilities Other Than Long Term Debt Noncurrent [Abstract]    
Liability for uncertain tax positions $ 133 $ 136
Income taxes payable 351 399
Product warranty liabilities 12 15
Operating lease liabilities 76 93
Other liabilities 79 71
Other long-term liabilities $ 651 $ 714