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Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions | 12 Months Ended
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Apr. 25, 2025 | Apr. 26, 2024 | Apr. 28, 2023
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Gross unrecognized tax benefits at beginning of fiscal year | $ 2,824 | $ 2,682 | $ 1,661
Gross increases: |  |  |
Prior year tax positions | 13 | 121 | 980
Current year tax positions | 93 | 85 | 89
Gross decreases: |  |  |
Prior year tax positions | (8) | (2) | (12)
Settlements | (5) | (55) | (4)
Statute of limitation lapses | (15) | (7) | (32)
Gross unrecognized tax benefits at end of fiscal year | 2,902 | 2,824 | 2,682
Cash advance paid to taxing authorities | (934) | (934) | (918)
Gross unrecognized tax benefits at end of fiscal year, net of cash advance | $ 1,968 | $ 1,890 | $ 1,764

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