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Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Revenue - Narrative (Details) - USD ($) $ in Millions	Jul. 31, 2026	Jul. 25, 2025	Apr. 24, 2026	Apr. 25, 2025
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 500		$ 500
Revenue recognized that was previously included in deferred revenue	140	$ 135
Estimated revenue expected to be recognized in future periods related to unsatisfied performance obligations	$ 400
Period over which remaining performance obligations are expected to be recognized as revenue	three years
ITALY
Disaggregation of Revenue [Line Items]
Decrease in accrual		$ 39
Balance Sheet Location [Axis]: us-gaap:AccountsReceivableNetCurrent
Disaggregation of Revenue [Line Items]
Rebate obligations	$ 700		700
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Disaggregation of Revenue [Line Items]
Rebate obligations	1,000			$ 1,000
Deferred revenue	400		400
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Disaggregation of Revenue [Line Items]
Rebate obligations	300		300
Deferred revenue	$ 100		$ 100