Stockholders' Equity - Amounts Reclassified Out of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 26, 2024	Jan. 27, 2023	Jan. 26, 2024	Jan. 27, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized losses (gains) on cash flow hedges	$ 1,606	$ 1,526	$ 4,600	$ 4,781
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications	2	6	(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	$ 2	$ 6	$ (2)	$ 2