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Supplemental Financial Information - Other Long-term Liabilities (Detail) - USD ($)
$ in Millions
Jul. 26, 2019
Apr. 26, 2019
Liabilities Other Than Long Term Debt Noncurrent [Abstract]    
Liability for uncertain tax positions $ 249 $ 252
Income taxes payable 447 447
Product warranty liabilities 14 15
Operating lease liabilities 100 0
Other liabilities 72 83
Other long-term liabilities $ 882 $ 797