The period one interval of interest rates that are determined through an auction process, for auction rate securities.

No definition available.

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- Definition

The period three interval of interest rates that are determined through an auction process, for auction rate securities.

+ References

No definition available.

+ Details

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- Definition

The period two interval of interest rates that are determined through an auction process, for auction rate securities.

+ References

No definition available.

+ Details

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- Details

Name:	bbby_FiscalPeriodAbstract
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Balance Type:	na
Period Type:	duration

- Details

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Balance Type:	na
Period Type:	duration

- Definition

Represents the number of business days for the settlement of credit and debit card receivables.

+ References

No definition available.

+ Details

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- Definition

Disclosure of the number of days in each reporting period.

+ References

No definition available.

+ Details

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- Definition

Represents the number of stores that operate under a joint venture in a foreign market.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Represents the maximum remaining maturity period for U.S. Treasury Bills held by the Company, which is less than one year.

+ References

No definition available.

+ Details

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- Details

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- Definition

Amount due the Entity as a result of customers utilizing point of sale debit or credit cards in exchange transactions with the entity which are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

-URI http://asc.fasb.org/extlink&oid=6507016

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 8, 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

No definition available.

+ Details

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RELATED MATTERS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 02, 2013 Item	Feb. 25, 2012	Feb. 26, 2011
Nature of Operations
Number of stores operated in Mexico under the name Bed Bath & Beyond as part of a joint venture	3
Number of operating segments	2
Fiscal Year
Number of days in each period	371 days	364 days	364 days
Cash and Cash Equivalents
Number of business days for settlement of credit and debit card receivables	5 days
Credit and debit card receivables from banks	$ 87.8	$ 67.1
Investment Securities
U. S. Treasury Bills, maximum remaining maturity period	1 year
Interest rate reset period of auction rate securities, period one	7 days
Interest rate reset period of auction rate securities, period two	28 days
Interest rate reset period of auction rate securities, period three	35 days
Minimum
Fiscal Year
Number of days in each period	364 days
Maximum
Fiscal Year
Number of days in each period	371 days