Acquisitions, Dispositions, and Funded Research and Development Arrangements - Fair Value Measurement, Contingent Consideration, Significant Unobservable Inputs (Details) $ in Millions	Apr. 25, 2025 USD ($)	Apr. 26, 2024 USD ($)	Apr. 28, 2023 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration	$ 81	$ 149	$ 206
Recurring \| Level 3 \| Revenue and other performance-based payments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration	$ 54
Recurring \| Level 3 \| Revenue and other performance-based payments \| Discount Rate \| Minimum
Fair Value Inputs
Contingent consideration, significant unobservable inputs	0.165
Recurring \| Level 3 \| Revenue and other performance-based payments \| Discount Rate \| Maximum
Fair Value Inputs
Contingent consideration, significant unobservable inputs	0.282
Recurring \| Level 3 \| Revenue and other performance-based payments \| Discount Rate \| Weighted Average
Fair Value Inputs
Contingent consideration, significant unobservable inputs	0.231
Recurring \| Level 3 \| Product development and other milestone-based payments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration	$ 27
Recurring \| Level 3 \| Product development and other milestone-based payments \| Discount Rate \| Maximum
Fair Value Inputs
Contingent consideration, significant unobservable inputs	0.055
Recurring \| Level 3 \| Product development and other milestone-based payments \| Discount Rate \| Weighted Average
Fair Value Inputs
Contingent consideration, significant unobservable inputs	0.055