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Retirement Benefit Plans - Fair Value Measurement (Details) - Pension benefits - USD ($) $ in Millions | Apr. 25, 2025 | Apr. 26, 2024 | Apr. 28, 2023
--- | --- | --- | ---
UNITED STATES |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | $ 3,610 | $ 3,551 | $ 3,398
UNITED STATES | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 162 | 186 |
UNITED STATES | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 3,448 | 3,366 |
UNITED STATES | Short-term investments |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 70 | 80 |
UNITED STATES | Short-term investments | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 70 | 80 |
UNITED STATES | Short-term investments | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Short-term investments | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Short-term investments | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Mutual funds |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 92 | 106 |
UNITED STATES | Mutual funds | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 92 | 106 |
UNITED STATES | Mutual funds | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Mutual funds | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Mutual funds | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Equity commingled trusts |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,011 | 942 |
UNITED STATES | Equity commingled trusts | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Equity commingled trusts | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Equity commingled trusts | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Equity commingled trusts | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,011 | 942 |
UNITED STATES | Fixed income commingled trusts |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,296 | 1,273 |
UNITED STATES | Fixed income commingled trusts | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Fixed income commingled trusts | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Fixed income commingled trusts | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Fixed income commingled trusts | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,296 | 1,273 |
UNITED STATES | Partnership units |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,142 | 1,151 |
UNITED STATES | Partnership units | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Partnership units | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Partnership units | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
UNITED STATES | Partnership units | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,142 | 1,151 |
Non-U.S. Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,823 | 1,659 | $ 1,614
Non-U.S. Pension Benefits | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Pension Benefits | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Pension Benefits | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 48 | 42 |
Non-U.S. Pension Benefits | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,775 | 1,617 |
Non-U.S. Pension Benefits | Registered investment companies |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,775 | 1,617 |
Non-U.S. Pension Benefits | Registered investment companies | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Pension Benefits | Registered investment companies | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Pension Benefits | Registered investment companies | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Pension Benefits | Registered investment companies | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 1,775 | 1,617 |
Non-U.S. Pension Benefits | Insurance contracts |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 48 | 42 |
Non-U.S. Pension Benefits | Insurance contracts | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Pension Benefits | Insurance contracts | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 0 | 0 |
Non-U.S. Pension Benefits | Insurance contracts | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | 48 | 42 |
Non-U.S. Pension Benefits | Insurance contracts | Investments measured at net asset value |  |  |
Defined Benefit Plan Disclosure [Line items] |  |  |
Fair value of plan assets | $ 0 | $ 0 |

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