Retirement Benefits and Postemployment Benefits (Weighted-Average Assumptions1) (Details)	May 28, 2023	May 29, 2022
Defined Benefit Pension Plans [Member]
Defined Benefit Plan Weighted Average Assumptions Used In Calculating Benefit Obligation [Abstract]
Discount rate	5.18%	4.39%
Rate of salary increases	4.20%	4.34%
Other Postretirement Benefit Plans Gross Payments [Member]
Defined Benefit Plan Weighted Average Assumptions Used In Calculating Benefit Obligation [Abstract]
Discount rate	5.19%	4.36%
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	4.55%	3.62%
Rate of salary increases	4.46%	4.46%