Document and Entity Information (USD $)	12 Months Ended
	Feb. 25, 2012	Mar. 24, 2012	Aug. 27, 2011
Document and Entity Information
Entity Registrant Name	BED BATH & BEYOND INC
Entity Central Index Key	0000886158
Document Type	10-K
Document Period End Date	Feb. 25, 2012
Amendment Flag	false
Current Fiscal Year End Date	--02-25
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 12,750,872,956
Entity Common Stock, Shares Outstanding		233,773,500
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY