Debt (Details)	6 Months Ended
	Dec. 28, 2019 USD ($)
Debt [Line Items]
Maximum board-authorized aggregate commercial paper limit	$ 2,000,000,000.0
Aggregate outstanding commercial paper and short-term debt minimum amount outstanding during period	208,900,000
Maximum amount outstanding	1,200,000,000
Commercial paper
Debt [Line Items]
Carrying value of total debt	$ 853,300,000