Retirement Benefits and Postemployment Benefits (Weighted-Average Assumptions1) (Details) |
May 25, 2025 |
May 26, 2024 |
|---|---|---|
| Defined Benefit Pension Plans [Member] | ||
| Defined Benefit Plan Weighted Average Assumptions Used In Calculating Benefit Obligation [Abstract] | ||
| Discount rate | 5.79% | 5.52% |
| Rate of salary increases | 3.88% | 4.23% |
| Other Postretirement Benefit Plans [Member] | ||
| Defined Benefit Plan Weighted Average Assumptions Used In Calculating Benefit Obligation [Abstract] | ||
| Discount rate | 5.67% | 5.52% |
| Rate of salary increases | 0.00% | 0.00% |
| Postemployment Benefit Plans [Member] | ||
| Defined Benefit Plan Weighted Average Assumptions Used In Calculating Benefit Obligation [Abstract] | ||
| Discount rate | 5.04% | 5.05% |
| Rate of salary increases | 4.13% | 4.46% |