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Stockholders' Equity - Amounts Reclassified Out of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jan. 24, 2025
Jan. 26, 2024
Jan. 24, 2025
Jan. 26, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Realized losses (gains) on cash flow hedges $ 1,641 $ 1,606 $ 4,840 $ 4,600
Reclassification out of Accumulated Other Comprehensive Income        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Total reclassifications (4) 2 (2) (2)
Reclassification out of Accumulated Other Comprehensive Income | Realized gains on cash flow hedges        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Realized losses (gains) on cash flow hedges $ (4) $ 2 $ (2) $ (2)