Stockholders' Equity - Accumulated Other Comprehensive Income (Loss) by Component Net of Tax (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 25, 2024	Oct. 27, 2023	Oct. 25, 2024	Oct. 27, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances	$ 929	$ 873	$ 1,146	$ 1,159
Total other comprehensive income (loss)	4	(7)	4	(4)
Balances	892	770	892	770
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances			(53)
Other comprehensive income (loss), net of tax			4
Amounts reclassified from AOCI, net of tax			0
Total other comprehensive income (loss)			4
Balances	(49)		(49)
Defined Benefit Obligation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances			(7)
Other comprehensive income (loss), net of tax			0
Amounts reclassified from AOCI, net of tax			0
Total other comprehensive income (loss)			0
Balances	(7)		(7)
Unrealized Gains (Losses) on Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances			0
Other comprehensive income (loss), net of tax			1
Amounts reclassified from AOCI, net of tax			0
Total other comprehensive income (loss)			1
Balances	1		1
Unrealized Gains (Losses) on Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances			1
Other comprehensive income (loss), net of tax			(3)
Amounts reclassified from AOCI, net of tax			2
Total other comprehensive income (loss)			(1)
Balances	0		0
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances	(59)	(48)	(59)	(51)
Other comprehensive income (loss), net of tax			2
Amounts reclassified from AOCI, net of tax			2
Total other comprehensive income (loss)	4	(7)	4	(4)
Balances	$ (55)	$ (55)	$ (55)	$ (55)