Debt (Schedule of fee-paid committed and uncommitted credit lines) (Details) $ in Billions	9 Months Ended
	Feb. 27, 2022 USD ($)
Line Of Credit Facility [Line Items]
Facility Amount	$ 3.3
Borrowed Amount	0.1
Committed Credit Facilities [Member]
Line Of Credit Facility [Line Items]
Facility Amount	2.7
Borrowed Amount	0.0
Line of Credit Expiring April 2026 [Member]
Line Of Credit Facility [Line Items]
Facility Amount	2.7
Borrowed Amount	$ 0.0
Expiration date of credit facility	Apr. 30, 2026
Uncommitted Credit Facilities [Member]
Line Of Credit Facility [Line Items]
Facility Amount	$ 0.6
Borrowed Amount	$ 0.1