Document And Entity Information	6 Months Ended
	Sep. 01, 2018 shares
Document And Entity Information
Entity Registrant Name	BED BATH & BEYOND INC
Entity Central Index Key	0000886158
Trading Symbol	bbby
Current Fiscal Year End Date	--03-02
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	138,051,459
Document Type	10-Q
Document Period End Date	Sep. 01, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false